LinkedIn: ht. An attacker could exploit this. 2-Port Channelized OC-12/DS0 SPA SFP O ptical Transceiver Modules and Cables. The interaface also shows a UP/UP state. : friendly names) which are available for monitoring via SNMP. In MAC-flooding, an attacker can connect a laptop into an empty Switch port or empty RJ45 wall socket, and he can use hacking tools to generate millions of Ethernet frames with fake source MAC. Ports can be verified by a visual inspection of the Ethernet switch itself. 1 post • Page 1 of 1. The vulnerability is due to a race condition that occurs when the VLAN and port enter an errdisabled state, resulting in an incorrect state in the software. This network in a box offers fantastic wireless performance and range for the small business and teleworker network solution. When configuring switchport security on a switchport that is configured with a voice VLAN, ensure that the maximum number of MAC addresses is raised to account for the voice and. having strange issue with Cisco wifi, we recently installed 9130s and now it seems that iPhones are having trouble now with autoconnect, but once they connect they are fine, android and all other devices not having issues. To shutdown port cisco2900switch(config-if)# shutdown. By Edward Tetz. From the perspective of network security it is extremely important for a network engineer to know about each and every interface of each router if they are up or down. Is there any command that I can schedule to shut down and bring up ports on a schedule basis on Cisco switches layer2 or l. If you want to shutdown a port on a Cisco 2960 Catalyst Switch you will need to connect to the router (either SSH, TelNet or connect using the Console cable) and enter the interface you want to. To shut down the switch: Turn off the switch on the Power Supply Unit of the switch. This script was written to solve the problem of open ports being left administratively up after a device is disconnected. On the CISCO command-line interface, there is the shutdown interface configuration command to disable an interface and the no shutdown command May 26, 2017 · Cisco 3750 Switch Port keeps going up and down by LionGate This person is a verified professional. 1x switch port, the phone does not restart when the PC is plugged or. In particular, these privileges allow an administrator to perform the password recovery procedure. Any ports with AVB devices attached must be configured for VLAN trunking mode. You can configure an interface in either case. Become acquainted with Cisco network devices and code listings; and find out how to manage static routing and view routing information. The attack consists in sending a specially crafted IPC request to the TCP port 62522 on the loopback. Shutdown unused ports. To shutdown a group ports, for example 3 to 10, do CHICAGOTECH>EN CHICAGOTECH. Cisco provide the ability to adjust the following. The command to configure this is as follows switch port-security violation { protect | restrict | shutdown }. Re: Shutdown Ports Script Okay, you have the policies configured to shutdown ports which have been operationally down for 2 days. The oam protocol command was introduced in this feature. Try a known good port. sh int counters gives you the traffic flow on each port : this is where you look for "zero". In its most basic form, the Port Security feature remembers the MAC address of the device connected to the switch edge port and allows only that MAC address to be active on that port. 3ad - LAG) which bundles the controller ports into a single port channel. Lists a subset of configuration data for all ports on the switch; that is, for each port, the display shows whether the port is enabled, the operating mode, and whether it is configured for flow control. A switch can automatically put a port in "administratively shutdown" mode if there is a port security violation. For example, you can still enable the port with no shutdown. Only message indicates that the interface went down. End with CNTL/Z. Sedangkan jika nilai violation kita setel shutdown, maka ketika ada violation, switch akan men-shutdown port dimana terjadi violation. To enable err-disabled ports on Cisco 3750 switch. Cisco Bug: CSCsz44520 - trunk port in UDLD err-disable when native vlan is shutdown. On a new installation of Tomcat (default config files), you'll notice that your server. Here are various solutions that may help you determine which device is connected to which port on your Cisco switch. having strange issue with Cisco wifi, we recently installed 9130s and now it seems that iPhones are having trouble now with autoconnect, but once they connect they are fine, android and all other devices not having issues. Once the offending device has been removed the port must be re-enabled by issuing the “shutdown” command followed by “no shutdown”. com/close-look-at-cisco-sg11224na-fanless-zero-db This 24 port fan-less Cisco SG11224NA 1GbE switch is available for u. 1x switch port, the phone does not restart when the PC is plugged or. I was reading the Cisco guide and found the below info for Interface Deletion from Po-Ch. Reviewed in the United States on March 30, 2020. Use shutdown Vlan1 to disable communication with the switch. LinkedIn: ht. R1(config)#voice-port R1(config)#voice-port 0/3/0:23 ?. Connect a different PC to the secure switch port. In this post I am going to show you how to shutdown or restart a linux system using these commands. The vulnerability is due to a race condition that occurs when the VLAN and port enter an errdisabled state, resulting in an incorrect state in the software. Set all ports to function at the same Speed and Duplex settings. Verify port security is enabled and the MAC addresses of PC1 and PC2 were added to the running configuration with "show run" command. Console Port. These are described in more detail below: Shutdown - When a violation occurs in this mode, the switchport will be taken out of service and placed in the err-disabled state. Using the show port-security interface fa0/1 command on SW1, we can see that the switch has learned the MAC address of Host A: By default, the maximum number of allowed MAC addresses is one. Sample: MDS9222i-2# conf t. Cisco recommends that you disable the unicast flooding because it also ensures that no flooding occurs on the port once the MAC address limit is reached. In this article we saw how to do a static NAT on both ASA pre-8. Now we will see how to do a port forward on ASA post 8. • switchport port-security violation {shutdown | restrict | protect}: This command tells the switch what to do when the number of MAC addresses on the port has exceeded the maximum. Errdisable is an extremely cool feature on Cisco switches that can place a port into a disabled state due to some reason/errors on the port. Make sure that the new VLAN interface also is enabled with the no shutdown interface configu- ration command. In Release 12. If the downstream access switch is a not a Cisco Nexus device, disable the LACP graceful-convergence option. By Edward Tetz. From PC1, ping PC2. The options are: - Discard—Discards packets from any unlearned source. Although the main purpose of the switch is to provide inter-connectivity in Layer 2 for the connected devices of the network, there are myriad features and functionalities that can be. Physical Interface Properties Overview, Media MTU Overview, Media MTU Sizes by Interface Type, Configuring the Media MTU, Configuring the Media MTU on ACX Series Routers, Encapsulation Overhead by Interface Encapsulation Type, Configuring Interface Description, Configuring Interface Ranges, Specifying an Aggregated Interface, Configuring the Interface Speed, Configuring the Link. Cisco IOU/IOL images were released for Architecture and testing purposes but today Cisco IOU/IOL images are used for CCIE routig and switching practice for CCIE routing and switching. The Cisco 887VAW introduces a concept of integrated AP that is running dedicated IOS image file separately from the router's IOS image file. Ensure that all ports are enabled and that none have been configured using the shutdown command. By default, port-security will automatically shutdown the port when a new MAC address is detected, which is why we tuned the config above with 'violation restrict' and 'aging time 2'. Step 2 - Configure interfaces with AVB connections to VLAN trunk mode. Education vazir sultan college of engineering. A vulnerability in the errdisable per VLAN feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause the device to crash, leading to a denial of service (DoS) condition. I have a requirement to remove one interface out of the port-channel. Port Profiles is a feature of Nexus switches, which allow a template of configuration to apply to a group of ports. Use any of the following methods to bring the interface up after a Port Security violation related shutdown. pcap file to the Cisco engineer and I'm waiting on him to get back with me on what he found. In this Cisco CCNA lab you will learn the commands for enabling Cisco router interface and the command for administratively shutting down an interface of Cisco router. channel_group_mode Valid values are 'active', 'passive', 'on', and 'default'. These are described in more detail below: Shutdown - When a violation occurs in this mode, the switchport will be taken out of service and placed in the err-disabled state. Putting your switch into Interface Range Configuration mode allows you to configure multiple ports at the same time, reducing your work when making major configuration changes on your switch. Page 33 This is correct behavior. Make sure that the new VLAN interface also is enabled with the no shutdown interface configu- ration command. To configure the switch so that you can connect an appropriate device to a port and have it work, follow these steps:. on Does issuing the shut down command on a Cisco switch port disable the power to the port? That is, are you effectively power cycling the connected/powered device when you issue the shut down command on the port? Thanks! Best Answer. Lock down Cisco switch port security. See Secure the Network using Cisco Port Security, Part II. Access IT certification study tools, CCNA practice tests, Webinars and Training videos. When working with a PoE enabled port, if I shut the port down, the lights on the port go out but the device remains powered on. For some reason the port on the cisco switch they are connected to randomly shuts down and the light goes off as if nothing is connected to that port. An EtherChannel is a Link Aggregation technology whereby two switches are connected together with multiple interfaces which are bundled together to form a single logical interface (“Port-Channel”) therefore increasing bandwidth between the switches. %CONST_DIAG-SP-2-HM_MOD_RESET: Resetting Module for software recovery, Reason: Failed. Hi, I did setup port-channel in Cisco MDS9148 with 3 interfaces and the channel mode is ON. "How to Shutdown Port Juniper EX4200" The answer is very simple but not having much experience on the Juniper switches I was a bit stuck. 11ac like the RV160W but with better performance and more ports. How to The most frequently used commands for troubleshooting a Cisco MDS switch Shutdown - disable port. Symptom: No message in syslog indicates that fault-manager to action to shut down a port when a NP diagnostic failure occurs. pcap file to the Cisco engineer and I'm waiting on him to get back with me on what he found. Read more/comment at https://TinkerTry. and he explain that stateless firewall is a Normal router with some ACL. Setup Cisco ASA 5506 to Emulate Cisco ASA 5505 Switchport VLANs As of Cisco ASA firmware versions 9. Feb 28, 2018. Switch(config-if)# no shutdown. ネットワーク入門サイトのshutdownコマンドについて説明したページです。CiscoルータやCatalystのIOSでshutdownコマンドを使い、物理インターフェースやVLANインターフェース等をダウンさせる事が出来ます。. Core Knowledge and Real World Scenarios. Cisco uses the term interface to refer to physical ports on an IOS device. To restart the disabled hub, use the no form of this command. For example, you can still enable the port with no shutdown. You will have to ensure that the FC traffic is stopped completely (planned outage) and take the backup of the configuration. Here are various solutions that may help you determine which device is connected to which port on your Cisco switch. In this Cisco CCNA lab you will learn the commands for enabling Cisco router interface and the command for administratively shutting down an interface of Cisco router. This network in a box offers fantastic wireless performance and range for the small business and teleworker network solution. Used in interface configuration mode. All interfaces and slots are indexed at zero. Then to get the ports back enter configuration mode, then "int g0/4" or whatever port and then "shut" and then "no shut". Saturday, July 26th, 2014 #switchport access vlan 300 Switch(config-if)#no shutdown Switch(config-if)#end Switch#wr mem Building configuration [OK] Switch#quit. > The switch should automatically detect the MAC address of the IP phone and the PC and add those addresses to the running configuration. Cisco Errdisable and recovery options. The default configuration options don't suit everyone, thankfully we can adjust the way port security behaves. no shutdown command enables a port. – Shutdown interface Port-Channel1 and verify that the command issued in Port-Channel1 interface configuration mode is executed on the channel-group bundled links as shown below; SW1# configure terminal Enter configuration commands, one per line. Solution partner offerings can help solve your toughest business challenges, across any industry, and any technology. The vulnerability is due to a race condition that occurs when the VLAN and port enter an errdisabled state, resulting in an incorrect state in the software. Tel the interface it is going to be a trunk and use 802. Shutting Down Unused Ports: Cisco CCENT ICND1 100-101 Complete Video Training - Duration: 8:11. Commented: 2009-04-23. If you want to shutdown a port on a Cisco 2960 Catalyst Switch you will need to connect to the router (either SSH, TelNet or connect using the Console cable) and enter the interface you want to. the iphones are newer like second last version. Here's an example: Router(config-if)# no shutdown. An EtherChannel is a Link Aggregation technology whereby two switches are connected together with multiple interfaces which are bundled together to form a single logical interface ("Port-Channel") therefore increasing bandwidth between the switches. To restart the disabled hub, use the no form of this command. Try to test your switch port security configuration with ping command and testing with the rogue laptop on the lab. To enable err-disabled ports on Cisco 3750 switch. Disable an Interface on a CISCO Device. To find evidence that port security is up and running, you would need to run the show port-security interface command. Hi, The command to restart the router using command line interface is " reload" without quotes. If you just want to put a single port back to default run the following. If you do not have 802. Connecting two Cisco routers utilizing a serial cable and setting the DCE Clock Rate. it seams like to use eem you need to have ip-services or equivalent. Cisco IOU/IOL images were released for Architecture and testing purposes but today Cisco IOU/IOL images are used for CCIE routig and switching practice for CCIE routing and switching. Once the switch sees another MAC address on the interface it will be in violation and something will happen. Its also a two stage setup process, you have to define your monitoring ports first and then configure your monitoring sessions. In Release 12. Chapter 2 Catalyst 3750 Switch Cisco IOS Commands shutdown 0-709 Catalyst 3750 Switch Command Reference OL-8552-09 0V] shutdown Use the shutdown interface configuration command to disable an interface. Among these ports, SFP ports enable this Gigabit switch to connect to a wide variety of fiber and Ethernet cables in order to. In this Cisco CCNA lab you will learn the commands for enabling Cisco router interface and the command for administratively shutting down an interface of Cisco router. In case of emergency why would you want to turn off a. Hi, We have POE Access Points, we have to reboot them from time to time manually, the AP's don't have a way to reboot by themselves. Switch(config-if)#switchport port-security. Knowing about the status of Cisco router’s interfaces. The port cannot transmit or receive ANY data. If a port later on needs to be reactivated, it can be enabled with the no shutdown command. Configuring Port Security Functionality. Hi Sonia, The switch physical ports are not in shutdown (open) by default, so for those ports there is no need to issue the command no shut to bring them in up state, instead when talking about SVIs it is a different story, the SVIs are logical interfaces and the one existent by default on all switches is the SVI of vlan 1, that is in shutdown state by default, so you need to issue the command. In the simplest sense, shutdown turns the interface off. To shut down your Cisco IronPort appliance, use the Shutdown/Suspend page available on the System Administration menu in the GUI This process is marked as a best practice as in this case the appliance exits Cisco IronPort AsyncOS, which allows to safely power down the appliance. The following example shows how to disable a fixed port and how to reenable it: Switch(config. Last Modified. To shutdown port cisco2900switch(config-if)# shutdown. Our network consists of Cisco catalysts 29XX's at the edges back to a 45XX at the core. • The port is an err-disable state. When configuring switchport security on a switchport that is configured with a voice VLAN, ensure that the maximum number of MAC addresses is raised to account for the voice and. When the port was enabled (no shutdown), the link went down, then the line when up, then the line protocol changed to up. #show interface status. I will show the examples of these commands, as well as how to check an interface status using the show interfaces status command. - Forward—Forwards packets from an unknown source without learning the MAC address. 0 out of 5 stars Shutdown by WiFi disconnection. Cisco SG300 - Disable A Port Question 5 posts ssh to device -> en -> config t -> int -> shutdown -> end -> wr mem. Changing Port Security Behaviour. 1X authentication, then the phone will re-start. When a MAC address, or a group of MAC addresses are configured to enable switch port security, the switch will forward packets only to the devices using those MAC addresses. ネットワーク入門サイトのshutdownコマンドについて説明したページです。CiscoルータやCatalystのIOSでshutdownコマンドを使い、物理インターフェースやVLANインターフェース等をダウンさせる事が出来ます。. Use shutdown Vlan1 to disable communication with the switch. The vulnerability is due to a race condition that occurs when the VLAN and port enter an errdisabled state, resulting in an incorrect state in the software. The only times I've seen admin shutdowns are when a person does it, or a security violation occurs. My concern is how do I get the Vlan to show up as active or not shut down. Solution partner offerings can help solve your toughest business challenges, across any industry, and any technology. The port security functionality will be configured as part of the port level security configuration. The time Spanning Tree Protocol (STP) takes to transition ports over to the Forwarding state can cause problems. 1q, the other option is ISL, this is Cisco propriety and even Cisco don't recommend it's use! Tel the interface it will be a trunk. Lock down Cisco switch port security. Here are various solutions that may help you. 02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system level privileges. By default interfaces are enabled. The no shutdown command has no effect if the port is a static-access port assigned to a VLAN that has been deleted, suspended, or shut down. Although the main purpose of the switch is to provide inter-connectivity in Layer 2 for the connected devices of the network, there are myriad features and functionalities that can be. The last element in the command line for the source port (the port to be monitored) is the specification of whether the switch should replicate packets transmitted from that port, or to that port, or both. by markberry. The interaface also shows a UP/UP state. Configure basic port security. Step 1 Configure destination ports in access or trunk mode, and enable SPAN monitoring. Ports that are not being used for a physical connection should be disabled. If you want to shutdown a port on a Cisco 2960 Catalyst Switch you will need to connect to the router (either SSH, TelNet or connect using the Console cable) and enter the interface you want to. No Light - Port in shutdown or no connection Solid Orang Stack Exchange Network Stack Exchange network consists of 177 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Reviewed in the United States on March 30, 2020. This name or Port ID can be found by using the following command. HOWTO: Monitoring Cisco environment using OpenNMS. The attack consists in sending a specially crafted IPC request to the TCP port. Cisco devices running MSTP look at the ELDLSAPaddress (0x4242)and because this is the same address as STP,BPDU will forward it on a blocked xSTP port instead of dropping it. > The switch should automatically detect the MAC address of the IP phone and the PC and add those addresses to the running configuration. Hi, The command to restart the router using command line interface is " reload" without quotes. Consider what happens if we connect a different host to the same port: By default, if a security violation occurs, the switch will shut down the offending. Shutting Down Unused Ports: Cisco CCENT ICND1 100-101 Complete Video Training - Duration: 8:11. xml file is set up with a shutdown port of 8005, and shutdown="SHUTDOWN". Core Knowledge and Real World Scenarios. I am trying to enable ports 25 - 28 on my 28 port. Sometimes, simple tasks like enabling a bunch of Administratively shutdown ports, assigning a range of switchports to a particular VLAN can become boring and tedious. Becoming proficient with the Cisco IOS means learning some essential commands. The Cisco Nexus 7000 Series device periodically transmits UDLD frames to neighbor devices on LAN ports with UDLD enabled. The port must also not be administratively shutdown. Set all ports to function at the same Speed and Duplex settings. by David Davis in IT Security , in Security on October 11, 2007, 5:50 AM PST One way to boost network security is to use Cisco's Port Security feature to lock. Configuring a Port Channel Interface. Connect a different PC to the secure switch port. The RA messages are sent by the routers in the network when the hosts send multicast router. Line4: protect / restrict / shutdown are poss. Scribd is the world's largest social reading and publishing site. Now that we are in the port we would like to configure we can issue the following commands. Measured Convergence for Avivi Core router for various Network Events local link recovery/local link shutdown , Node Down with OSPF, BGP and Vlans. Cisco Switches usually have three connection states: connected (an active device is connected to the Port) notconnected (no device is connected or the device is without power) disabled (the port is shut down by the network administrator) I didn't find a way to distinct between state 2 and 3 in PRTG. Enable/disable switch ports procedure. To take an interface out of a shutdown state: Switch(config)# interface gi3/10 Switch(config-if)# no shutdown. When a MAC address, or a group of MAC addresses are configured to enable switch port security, the switch will forward packets only to the devices using those MAC addresses. Port security allows three violation modes (shutdown, protect and restrict), but only the default setting of shutdown causes the switch to err-disable the interface. This can be a range of switch ports on a module or multiple ports on multiple module be it FastEthernet or GigabitEthernet or vlans on a Cisco Switch or a Router. 1, Appendix 1, for the procedure to clear switch configurations. The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to version 4. The default is to shut down the port. Slot 3, subslot 1, and port 0. For Cisco voice implementations, three types of dial peers are used to match a di aled number to either a local telephony port o r a remote IP address: • A POTS dial peer associates a physical voice port with a local teleph one device. Port Security Violation (Shutdown) di Cisco Paket Tracer Shutting Down Unused Ports: Cisco CCENT ICND1 100-101 Complete How to reset or recover your Catalyst Cisco Switch password 2950. This quick reference describes 10 commands you'll need to rely on when handling various configuration and. In case you are using port based zonning (hard) you need to make note of the cabling and the port combination also. Description (partial) Native vlan is shutdown on the Cat6k. I think its level 7). Education vazir sultan college of engineering. This script was written to solve the problem of open ports being left administratively up after a device is disconnected. Shutdown: When "shutdown" option is configured and a violation occurred in switch port security, the interface is shut down. Configuring RA Guard Functionality. The port must first be a member of an active VLAN before it can be re-enabled. In this article we saw how to do a static NAT on both ASA pre-8. In this article we will describe how to configure both LACP and PAgP EtherChannels on Cisco switches. You could now do a show interfaces status to see the state of the. Sometimes, simple tasks like enabling a bunch of Administratively shutdown ports, assigning a range of switchports to a particular VLAN can become boring and tedious. The Remote Port Shutdown feature uses Ethernet LMI in an EoMPLS network to propagate remote link status to a CE device. With the ability to deliver data, voice, and video services, the SG350-28 350 Series 28-Port Managed Gigabit Ethernet Switch from Cisco can keep up with the demands placed on it in today's ever expanding business environment. Example output: pfm_node_rp[361]:%PLATFORM-DIAGS-3-PUNT_FABRIC_DATA_PATH_FAILED : Set|online_diag_rsp[204935]|System Punt/Fabric/data Path Test(0x2000004)|failure threshold is 3, (slot, NP) failed: (0/0/CPU0, 1) ifmgr. String: {{ neighbors['stdout'][0] | clay584. I have been forcing all Phones to go to 5ghz by setting band select. How to disable STP on a per port basis in Cisco Catalyst 2900XL - 2940 - 2950 - 2960 - 2970 - 3500XL - 3550 - 3560 - 3750 - 4000 - 4500 - 5000 - 5500 - 6000 - 6500 switches. options Line5: no root bridge on this Port! , pref. Any ports with AVB devices attached must be configured for VLAN trunking mode. by markberry. in this video , the instructor said he make R3 as stateless firewall. The port must also not be administratively shutdown. Access router command line interface using Mac laptop. Germany launches coronavirus contact tracing app · in To have the Cisco IOS software forward UDP broadcasts, including BOOTP, received on. The orange interface LEDs confirm that the interfaces are in a shutdown state. CISCO-PORT-SECURITY-MIB provided by Cisco CISCO-PORT-SECURITY-MIB File content. Connecting two Cisco routers utilizing a serial cable and setting the DCE Clock Rate. From PC1, ping PC2. What is Trunk Port? In our previous article, we examined the configuration of the Access Port in Switches. 1x switch port. switchport port -> untuk mengaktifkan mode port security. On a new installation of Tomcat (default config files), you'll notice that your server. A switch can automatically put a port in "administratively shutdown" mode if there is a port security violation. Cisco Fabric Service (CFS) Protocol. Get into the switch and "show log" and "show int status err-disabled" commands. Scripting a Cisco switch with Python and Expect. By default interfaces are enabled. shutdown (hub) To shut down a port on an Ethernet hub of a Cisco 2505 or Cisco 2507 router, use the shutdown command in hub configuration mode. This name or Port ID can be found by using the following command. On Cisco firewall devices, the console port is an asynchronous line that can be used for local and remote access to a device. For further details, see the Cisco IOS XE command reference guide for configuring Audio Video Bridging. Cisco AnyConnect Path Traversal / Privilege Escalation. From the perspective of network security it is extremely important for a network engineer to know about each and every interface of each router if they are up or down. The most frequently used commands for troubleshooting a Cisco MDS switch Introduction Common commands for troubleshooting a Cisco MDS switch. Creating or configuring the SVI doesn’t create or configure the VLAN; you still must define each one independently. Access ports are used primarily for hosts and can only carry traffic for a single VLAN. We will focus on the properties of this mechanism and some of the Cisco configuration commands. Router(config)#interface e0/0 Router(config-if)#ip address 192. The default interface speed is 10-Gigabit. Learn the basics of port security, and find out how to configure this feature. I had to look up the commands to do it as I haven't done it yet as most of the customers will either shut down the switch completely or just shutdown the required ports and not multiple ports on the…. LinkedIn: ht. That will cause the switch to shut down the port via bpduguard. It's normally best practice to use portfast bpduguard default which puts any ports using portfast to also enable bpduguard. Cisco Modes Description Keyboard short cut Enable Port Security. You can specify the MAC address that is allowed to access the network resources manually by using the command switchport port-security mac-address value of MAC address. CatOS: Native IOS: set vlan [vlan-id] [mod]/[port] no shutdown: set port disable [mod]/[port] interface [gigabit/fastethernet][mod]/[port] shutdown: set spantree portfast:. Cisco switches run either the Cisco Internetworking Operating System (IOS) or the CatOS operating system. To shutdown port cisco2900switch(config-if)# shutdown. Hi Sonia, The switch physical ports are not in shutdown (open) by default, so for those ports there is no need to issue the command no shut to bring them in up state, instead when talking about SVIs it is a different story, the SVIs are logical interfaces and the one existent by default on all switches is the SVI of vlan 1, that is in shutdown state by default, so you need to issue the command. If you use the default ON mode to avoid inconsi. From Cisco Networking All-in-One For Dummies. SPAN ports are commonly used for network traffic analysis applications. Need to enable a port on a Cisco switch? Look no further! To begin you need to know what the name of the port is that you want to enable on the switch. In Cisco I would have just done a shut on the port, in Junos you have to set the port to a disable state and then commit the config, like this. Enable and Disable a port on HP Procurve 5800 & 5900 Switches Not being a Network savvy admin, I often forget the simplest steps on switches and routers. This can be a range of switch ports on a module or multiple ports on multiple module be it FastEthernet or GigabitEthernet or vlans on a Cisco Switch or a Router. This reverses the shutdown state and enables the port. For example, Switchport(config-if)# switchport port-security violation protect. For some reason one of the poe switch Cisco 3750 was not providing enough power to IP phones. Figure 3-12 illustrates how specific channels within a T1 can be defined as a DS0 group. System operation continues. bin) interface Port-channel 2 no ip address switchport no shutdown interface GigabitEthernet 7/45 no ip address ! port-channel-protocol LACP port-channel 2 mode active. Here's an example: Router(config-if)# no shutdown. You want all traffic from the 254 network to be able to reach the web server. Unlike Catalyst IOS macros, NX-OS port-profiles are event driven, meaning IOS macros apply only once during initial configuration, but P0rt profiles immediately re-apply any time a change is made to the profile. Get valuable IT training resources for all Cisco certifications. Routers; Switches / Hubs; 4 Comments. To shut down the port issue the below command. On Cisco equipment there are three different main violation types: shutdown, protect, and restrict. To create and configure a Cisco network, you need to know about routers and switches to develop and manage secure Cisco systems. cisco switch internet. How to Enbale Port Security on Cisco Switch. Tripp Lite's NSU-G24C2 combines a 1. It is a crucial component of Microsoft Windows security policies, authority domain authentication, and Active Directory management on your computer. This article explains the Errdisable feature on Cisco Catalyst switches. Unless of course the switch is connected to a power unit that you can turn off remotely. To find out the status of port security on the switch. For some reason the port on the cisco switch they are connected to randomly shuts down and the light goes off as if nothing is connected to that port. PortFast is a Cisco network function which can be configured to resolve this problem. Used in interface configuration mode. The commands are useful specially when you have to reboot a remote linux server , where only shell access is available and no gui. Now we will see an example how to disable port security in cisco security. Disable an Interface on a CISCO Device. See Secure the Network using Cisco Port Security, Part II. 3 and post-8. LACP mode active-active (on both sides of the port-channel) is the recommended configuration 4. parse_genie(command='show cdp neighbors', os='ios') }}" } *This is my playbook (what you sent but I needed to import the role first):* - hosts: uwioc-switches gather_facts: no tasks: - name: Import role include_role: name: clay584. 0! interface Vlan2 nameif outside security-level 0 ip address 10. Switchport(config-if)# switchport port-security aging time 10. The UPS for the networking rack has a lower uptime than the other two UPS' even with an additional battery because of the draw of the PoE switches, Cisco 2960S, which provide power to all of my IP phones. port will shutdown, pref. "Shutdown" shuts down the interface, while "no shutdown" brings up the interface. #show interface status. On Cisco firewall devices, the console port is an asynchronous line that can be used for local and remote access to a device. Switchport security is not supported on Switch Port Analyzer (SPAN) destination ports. If a port later on needs to be reactivated, it can be enabled with the no shutdown command. Look for errdisable, disable or shutdown status. If any other MAC address is detected on that port, port security feature shutdown the switch port. In this article we will describe how to configure both LACP and PAgP EtherChannels on Cisco switches. Enable and Disable a port on HP Procurve 5800 & 5900 Switches Not being a Network savvy admin, I often forget the simplest steps on switches and routers. You want all traffic from the 254 network to be able to reach the web server. As their adoption of hybrid-cloud strategy accelerates, customers demand more flexibility to deploy application. I want to know how can apply the command on port number 20,21and 23 to close port number 80&443. Cisco Bug: CSCsz44520 - trunk port in UDLD err-disable when native vlan is shutdown. The last element in the command line for the source port (the port to be monitored) is the specification of whether the switch should replicate packets transmitted from that port, or to that port, or both. It provides guidelines, procedures, and configuration examples. Use any of the following methods to bring the interface up after a Port Security violation related shutdown. #show interface status. The vulnerability is due to a race condition that occurs when the VLAN and port enter an errdisabled state, resulting in an incorrect state in the software. 00) Modules 10 - 13: L2 Security and WLANs Exam Answers Full Scored 100%. sh int counters gives you the traffic flow on each port : this is where you look for "zero". Cisco How to: shutdown multiple ports. To use the Reset button to reboot or reset the managed switch, do the following: • To reboot the managed switch, press the Reset button for less than 10 seconds. On a new installation of Tomcat (default config files), you'll notice that your server. Try to test your switch port security configuration with ping command and testing with the rogue laptop on the lab. x+ (we're putting 9. com/close-look-at-cisco-sg11224na-fanless-zero-db This 24 port fan-less Cisco SG11224NA 1GbE switch is available for u. Configure this on both switches. Feb 28, 2018. Port security allows three violation modes (shutdown, protect and restrict), but only the default setting of shutdown causes the switch to err-disable the interface. no shutdown turns the interface on (enables it). the iphones are newer like second last version. Commented: 2009-04-23. It is recommended to keep the total switch port count in a network to fewer than 8000 ports for reliable loading of the switch port page. Cisco provide the ability to adjust the following. Germany launches coronavirus contact tracing app · in To have the Cisco IOS software forward UDP broadcasts, including BOOTP, received on. The default is to shutdown the port and mark the port err-disabled. Answer / jitendra kumar patel. Configuring a range of interfaces or ports on your switch prevents you from having to configure each of these interfaces individually. Verify port security is enabled and the MAC addresses of PC1 and PC2 were added to the running configuration with "show run" command. Auto Shutdown Ports on Switches Hi there, We are currently rolling sticky macs out on our switches, however I was wondering if there is something we can put on the config of each interface that will auto shutdown a port if it isn't used after a set period of time?. interface ethernet 1/3 description to Border Router no switchport ip address 10. Ports can be verified by a visual inspection of the Ethernet switch itself. cisco switch internet. I have a requirement to remove one interface out of the port-channel. Switchport(config-if)# switchport port-security aging time 10. Is there any command that I can schedule to shut down and bring up ports on a schedule basis on Cisco switches layer2 or l. Remote/Local Exploits, Shellcode and 0days. Try a known good port. This reverses the shutdown state and enables the port. 1Q (or dot1q) tunneling is pretty simple…the provider will put a 802. Step 2 - Configure interfaces with AVB connections to VLAN trunk mode. "How to Shutdown Port Juniper EX4200" The answer is very simple but not having much experience on the Juniper switches I was a bit stuck. For this example, we will use the port Gi1/10 for. interface ethernet 1/2 description to AccessSwitch2 switchport switchport mode trunk no shutdown. Enable and Disable a port on HP Procurve 5800 & 5900 Switches Not being a Network savvy admin, I often forget the simplest steps on switches and routers. On Cisco firewall devices, the console port is an asynchronous line that can be used for local and remote access to a device. Cisco Switch Port Commands To manage your Cisco switch you need to understand how you access ports and how you can enable and disable them. Switchport security is not supported along with Etherchannel (Fast or Gigabit). In MAC-flooding, an attacker can connect a laptop into an empty Switch port or empty RJ45 wall socket, and he can use hacking tools to generate millions of Ethernet frames with fake source MAC. Cisco CatOS - Native IOS Command Comparison Chart. Reviewed in the United States on March 30, 2020. Saturday, July 26th, 2014 #switchport access vlan 300 Switch(config-if)#no shutdown Switch(config-if)#end Switch#wr mem Building configuration [OK] Switch#quit. NPIV provides a means to assign multiple FC IDs to a single N port, and allows multiple applications on the N port to use different identifiers. If you wanted to configure the 100VG port in the top right, you would use the command #interface vg 3/1/0 to access it. If you want to reset the whole switch to factory default just type erase startup-config and then reboot the switch without saving the running-config. One must be aware that the console port on Cisco firewall devices has special privileges. The no shutdown command has no effect if the port is a static-access port assigned to a VLAN that has been deleted, suspended, or shut down. Cisco IOU/IOL images were released for Architecture and testing purposes but today Cisco IOU/IOL images are used for CCIE routig and switching practice for CCIE routing and switching. Shutting down stack ports sounds like a lot of work, with a lot of variables that could go wrong. 0 Router(config-if)#no shutdown Router(config-if)# インタフェースの無効化・有効化 ルータの初期状態は、全てのインタフェースが管理目的で、無効になっています。. shutdown voice port before changing pri group. stevemoores Feb 19, 2016 at 21:12 UTC. Cisco Modes Description Keyboard short cut Enable Port Security. Shutdown R1's FastEthernet0/0 interface then configure PortFast on SW1's FastEthernet0/1. And to avoid problems, I choose to do this only on ports in this state for more than 60 days. To find out the status of port security on the switch. You can do this with time-based ACL's when talking about ports, or with EEM when talking about interfaces: interface wlan0 ip address 10. To resolve communication issue between R1 and SW1 due to the port-security violation after the MAC address on R1 has changed you'll need to shutdown Fa0/1 and clear the secure mac-address table on that interface using the clear port-security all interface Fa0/1 command in privileged mode or configuration mode with the do command prefix. Re: Switch - Force port to shutdown after interface status down No it is available for atleast the 2960 2970 3560 and 3750 and 3400me. This network in a box offers fantastic wireless performance and range for the small business and teleworker network solution. Because the OSI model controls traffic flow in layer 2, you can make MAC address-based restrictions. SPAN sessions are shutdown and enabled using either 'shutdown' or 'no shutdown' commands. 02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system level privileges. Assume that several thousand feet of cable separate the analog phone from the FXS port, and as a result, some electrical capacitance has built up in the line. Cisco switches run either the Cisco Internetworking Operating System (IOS) or the CatOS operating system. /24 ! interface GigabitEthernet0/1 ! interface GigabitEthernet0/2 switchport mode trunk ! interface Vlan1 no ip address shutdown ! ! line con 0 ! line vty 0 4 login line vty 5 15 login ! end Switch#. 8: no switchport 9: shutdown: Disables a port and shuts-down management vlan. Set up SPAN on CatOS switches. 0 ip access-group 101 in access-list 101 permit tcp 10. Cisco How to: shutdown multiple ports. Our network consists of Cisco catalysts 29XX's at the edges back to a 45XX at the core. Last Modified. To enable err-disabled ports on Cisco 3750 switch. Consider what happens if we connect a different host to the same port: By default, if a security violation occurs, the switch will shut down the offending. 1, Appendix 1, for the procedure to clear switch configurations. The last element in the command line for the source port (the port to be monitored) is the specification of whether the switch should replicate packets transmitted from that port, or to that port, or both. I submitted the. When the port was enabled (no shutdown), the link went down, then the line when up, then the line protocol changed to up. port will shutdown, pref. 8: no switchport 9: shutdown: Disables a port and shuts-down management vlan. Now we will see an example how to disable port security in cisco security. End with CNTL/Z. To use the Reset button to reboot or reset the managed switch, do the following: • To reboot the managed switch, press the Reset button for less than 10 seconds. – Shutdown interface Port-Channel1 and verify that the command issued in Port-Channel1 interface configuration mode is executed on the channel-group bundled links as shown below; SW1# configure terminal Enter configuration commands, one per line. port will shutdown, pref. #show interface status. The default configuration options don’t suit everyone, thankfully we can adjust the way port security behaves. interface ethernet 1/2 description to AccessSwitch2 switchport switchport mode trunk no shutdown. Native vlan is shutdown on the Cat6k. That will cause the switch to shut down the port via bpduguard. From PC1, ping PC2. Next configure the physical interfaces (trunk ports and routed port) interface ethernet 1/1 description To AccessSwitch1 switchport switchport mode trunk no shutdown. To shutdown a group ports, for example 3 to 10, do CHICAGOTECH>EN CHICAGOTECH>PASSWORD: CHICAGOTECH>CONF T. Enabling Ports for CISCO Switch Login to cisco switch cisco2900switch> show cisco2900switch> enable password cisco2900switch# config Configure from terminal, memory, or network [terminal]? t cisco2900switch(config)# interface fa0/2. Cisco How to: shutdown multiple ports. Cisco Advise that the command "ip nat service sip port 5060" will enable SIP ALG and allow the conversation to start functioning through the NAT. Post a reply. Shut down cisco switch remotely. cisco switch internet. port - max MAC 2 - 1 static MAC (PC1) - 1 dynamic MAC (PC2) - 1 violation (PC3) - violation type shutdown. sh ver gives you the uptime of the switch : important for baseline of switch uptime / timer / packet flow / packet count. There are many reasons a port can be disabled: By default Err-disable will shut down the port and it will take a manual shut/no shut of the port. To enable err-disabled ports on Cisco 3750 switch. But in the config file, these ports have only been down since 9/29 09:50:00. a few useful commands to check interfaces status:. 8 on new deployments) - Cisco has included a base config and functionality that uses interface bridging that will emulate the ability we ~used~ to have with the Cisco 5505 units - span a VLAN across all/any available ports. Most network devices and programs ship with so-called MIB files to describe the parameters and meanings (i. I understand the Secure - Shutdown status means that the interface was shut down due to a violation, but do not know why it's showning Secure-down currently. The interaface also shows a UP/UP state. When you enter the configuration of the Cisco IOS for a switch, the physical ports are logical interfaces, so you specify an interface by describing the physical location of a port. %CONST_DIAG-SP-3-HM_PORT_TEST_FAIL: Module TestUnusedPortLoopback Port(s)[12,24,36,48] failed. Access router command line interface using Mac laptop. What does this mean? It means that anyone who contacts the server locally on port 8005 and send it the words SHUTDOWN can cause Tomcat to close out all its web applications and shut. S3800-24F4S 24-port Gigabit switch is designed to meet the demand of cost-effective Gigabit access or aggregation for enterprise networks and operators customers. Chapter 2 Catalyst 3750 Switch Cisco IOS Commands shutdown 0-709 Catalyst 3750 Switch Command Reference OL-8552-09 0V] shutdown Use the shutdown interface configuration command to disable an interface. 11ac like the RV160W but with better performance and more ports. You can use commands that are compatible with both operating systems to find the IP address of a Cisco switch. R1#conf t Enter configuration commands, one per line. having strange issue with Cisco wifi, we recently installed 9130s and now it seems that iPhones are having trouble now with autoconnect, but once they connect they are fine, android and all other devices not having issues. 3ad - LAG) which bundles the controller ports into a single port channel. This script was written to solve the problem of open ports being left administratively up after a device is disconnected. "How to Shutdown Port Juniper EX4200" The answer is very simple but not having much experience on the Juniper switches I was a bit stuck. The port must first be a member of an active VLAN before it can be re-enabled. A powerful WOL, ping, shutdown, GUI application. Almost all Cisco devices use Cisco IOS to operate and Cisco CLI to be managed. This name or Port ID can be found by using the following command. Cisco recommends that you disable the unicast flooding because it also ensures that no flooding occurs on the port once the MAC address limit is reached. Console cable is a cable which has an RJ45 connector at one end (to connect to your Cisco devices) and serial connector at the other end (to connect to your PC). The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to 4. no shutdown command enables a port. Switchport settings from the first port in EtherChannel are copied to all other ports in the EtherChannel when the ports are added to the channel group. How to Enbale Port Security on Cisco Switch. Port Name Status Vlan Duplex Speed Type Fa0/1 connected 15 full 100 10/100BaseTX. Cisco 6500 & 3500 Inactive Port Shutdown? Mini Spy. Measured Convergence for Avivi Core router for various Network Events local link recovery/local link shutdown , Node Down with OSPF, BGP and Vlans. The first number 1 would indicate the switch number in the stack and the second number 1 after the port is the Stackwise port number you want to shut. Step 2 - Configure interfaces with AVB connections to VLAN trunk mode. Port Profiles is a feature of Nexus switches, which allow a template of configuration to apply to a group of ports. By configuring port security you can make sure that only certain MAC addresses are allowed to connect to certain switch ports and if others are detected, these ports can be shutdown. Find answers to how to shutdown a voice port on a cisco router from the expert community at Experts Exchange. ActiveXperts Network Monitor supports Cisco MIB files, to monitor specific OID's (Object. Use shutdown Vlan1 to disable communication with the switch. A switch can automatically put a port in "administratively shutdown" mode if there is a port security violation. I understand the Secure - Shutdown status means that the interface was shut down due to a violation, but do not know why it's showning Secure-down currently. com/close-look-at-cisco-sg11224na-fanless-zero-db This 24 port fan-less Cisco SG11224NA 1GbE switch is available for u. This was for a Catalyst 3750x in a stack, although it likely applies to many cisco switches. For example, Switchport(config-if)# switchport port-security violation protect. NPIV also allows access control, zoning, and port security to be implemented at the application level. For example, if a Catalyst 2960 switch has 24 ports and there are three Fast Ethernet connections in use, it is good practice to disable the 21 unused ports. This helps simplify the configuration of the WLC interface ports, increase available bandwidth between the wireless and wired network, provide load-balancing capabilities between physical WLC ports and increase port redundancy. Exam: Cisco 200-120 - Interconnecting Cisco Networking Devices: Accelerated (CCNAX) A major topic under the section "Network device security" is that of "shutdown unused ports". BAM!! You've got your empty / non- used switch ports !!. Become acquainted with Cisco network devices and code listings; and find out how to manage static routing and view routing information. Explore the catalog for Cisco-approved solutions that work seamlessly with your infrastructure. If you want to shutdown a port on a Cisco 2960 Catalyst Switch you will need to connect to the router (either SSH, TelNet or connect using the Console cable) and enter the interface you want to. Access IT certification study tools, CCNA practice tests, Webinars and Training videos. Configuring a range of interfaces or ports on your switch prevents you from having to configure each of these interfaces individually. if loop det. R1(config)#voice-port R1(config)#voice-port 0/3/0:23 ?. Now that we are in the port we would like to configure we can issue the following commands. Configure this on both switches. cisco ws c3560x 24p s Switches can be simple or complex, ranging from small, four-port home office devices with limited management interfaces to complex, 48 port-enterprise level devices with dedicated memory, processors and operating systems. Cisco Advise that the command "ip nat service sip port 5060" will enable SIP ALG and allow the conversation to start functioning through the NAT. shutdown (hub) To shut down a port on an Ethernet hub of a Cisco 2505 or Cisco 2507 router, use the shutdown command in hub configuration mode. using it for testing. If your HyperV 2012 servers are attached to Cisco switches, then one of the most interesting (i. But in the config file, these ports have only been down since 9/29 09:50:00. Our network consists of Cisco catalysts 29XX's at the edges back to a 45XX at the core. Access IT certification study tools, CCNA practice tests, Webinars and Training videos. It is a good practice to disable any unused ports on the switches by putting them in shutdown. Switch(config. This profile can be attached to the interface. The Remote Port Shutdown feature uses Ethernet LMI in an EoMPLS network to propagate remote link status to a CE device. 02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system. To configure the switch so that you can connect an appropriate device to a port and have it work, follow these steps:. I had to look up the commands to do it as I haven't done it yet as most of the customers will either shut down the switch completely or just shutdown the required ports and not multiple ports on the…. 0 ip access-group 101 in access-list 101 permit tcp 10. Changing Port Security Behaviour. Ports can be verified by a visual inspection of the Ethernet switch itself. Lock down Cisco switch port security. no shutdown turns the interface on (enables it). Once the offending device has been removed the port must be re-enabled by issuing the “shutdown” command followed by “no shutdown”. This is what i do conf t int vlan 92 no shutdown but when do a sh vlan i get the below output showing the vlan is shutdown. Configuring a Port Channel Interface. Cisco Press 16,195 views. An interface that is shutdown will not send or receive traffic. The show module command can indicate faulty, which can indicate a hardware problem. Configure basic port security. Cisco 6500 & 3500 Inactive Port Shutdown? Mini Spy. > The switch should automatically detect the MAC address of the IP phone and the PC and add those addresses to the running configuration. This helps simplify the configuration of the WLC interface ports, increase available bandwidth between the wireless and wired network, provide load-balancing capabilities between physical WLC ports and increase port redundancy. In case of emergency why would you want to turn off a. 1Q tag on all the frames that it receives from a customer with a unique VLAN tag. #show interface status. Used in interface configuration mode. 3 and post-8. To configure the switch so that you can connect an appropriate device to a port and have it work, follow these steps:. x+ (we're putting 9. I think you're on the right track with VLANs - if you have the lab computers, or at least the ones you want to ghost on their own VLAN with the ghost server/whatever is pushing the image, then the only "network" you should be flooding is that VLAN, which should be fine. I understand the Secure - Shutdown status means that the interface was shut down due to a violation, but do not know why it's showning Secure-down currently. Cisco How to: shutdown multiple ports. Shutting down stack ports sounds like a lot of work, with a lot of variables that could go wrong. etc), another 48 port with SWITCH#2 (misc things on it), and a 24 port SWITCH#4 which is for the computer. For this example, we will use the port Gi1/10 for. In its most basic form, the Port Security feature remembers the MAC address of the device connected to the switch edge port and allows only that MAC address to be active on that port. ios_lag_interfaces - Manage Link Aggregation on Cisco IOS devices section ^interface # interface Port-channel10 # interface GigabitEthernet0/1 # shutdown # interface GigabitEthernet0/2 # shutdown # interface GigabitEthernet0/3 # shutdown # interface GigabitEthernet0/4 # shutdown-name:. To me this is a little confusing, because if the the port-security shutdown option is used, your console (or vty line if you have "terminal monitor" enabled) will show record of the port going down (based on the level of console logging you have enabled, which I have not determined what the default setting is in cisco. End with CNTL/Z. What is Trunk Port? How to Enable Trunking on Cisco Switch. This will take into loader prompt. %CONST_DIAG-SP-2-HM_MOD_RESET: Resetting Module for software recovery, Reason: Failed. 8 on new deployments) - Cisco has included a base config and functionality that uses interface bridging that will emulate the ability we ~used~ to have with the Cisco 5505 units - span a VLAN across all/any available ports. Sedangkan jika nilai violation kita setel shutdown, maka ketika ada violation, switch akan men-shutdown port dimana terjadi violation. SFP in Gi0/24 is made by Finisar. Now we will see how to do a port forward on ASA post 8. The port security functionality will be configured as part of the port level security configuration. Switch(config-if)#switchport port-security. An appliance solution At Interop 2007, I spotted an interesting solution from. Switch(config-if)#switchport mode access. I have configured port-security so only one MAC address is allowed. The 2-Port Channelized OC-12/DS0 SPA uses a small form-factor pluggable (SFP) optical transceiver module installed in each port for SONET single-mode and multimode optical fiber connection. Errdisable is an extremely cool feature on Cisco switches that can place a port into a disabled state due to some reason/errors on the port. If any other MAC address is detected on that port, port security feature shutdown the switch port. Configure basic port security. This was for a Catalyst 3750x in a stack, although it likely applies to many cisco switches. The port security functionality will be configured as part of the port level security configuration. 255 eq telnet time-range EVERYOTHERDAY time-range EVERYOTHERDAY periodic Monday Wednesday Friday 8:00 to 17:00. Hello, we have upgraded an otherwise fully stable and working cluster from 7. Sedangkan jika nilai violation kita setel shutdown, maka ketika ada violation, switch akan men-shutdown port dimana terjadi violation. 0 ip access-group 101 in access-list 101 permit tcp 10. SNMPv2-SMI::mib-2. Configuring a range of interfaces or ports on your switch prevents you from having to configure each of these interfaces individually. R1(config)#voice-port R1(config)#voice-port 0/3/0:23 ?. This will take into loader prompt. How to disable STP on a per port basis in Cisco Catalyst 2900XL - 2940 - 2950 - 2960 - 2970 - 3500XL - 3550 - 3560 - 3750 - 4000 - 4500 - 5000 - 5500 - 6000 - 6500 switches. 11ac like the RV160W but with better performance and more ports. And to avoid problems, I choose to do this only on ports in this state for more than 60 days. The fourth serial port on a 7000 with a serial card in slot 2 would be Serial2/3. It is equipped with a console port, 4*1GE Combo ports, 20*100/1000BASE SFP ports and 4*10GE SFP+ ports. This helps simplify the configuration of the WLC interface ports, increase available bandwidth between the wireless and wired network, provide load-balancing capabilities between physical WLC ports and increase port redundancy. It is recommended to keep the total switch port count in a network to fewer than 8000 ports for reliable loading of the switch port page. The first number 1 would indicate the switch number in the stack and the second number 1 after the port is the Stackwise port number you want to shut. The time Spanning Tree Protocol (STP) takes to transition ports over to the Forwarding state can cause problems. Set up SPAN on CatOS switches. VLAN Name Status Ports. Solution partner offerings can help solve your toughest business challenges, across any industry, and any technology. Exam: Cisco 200-120 - Interconnecting Cisco Networking Devices: Accelerated (CCNAX) A major topic under the section "Network device security" is that of "shutdown unused ports". shutdown no shutdown Syntax Description This command has no arguments or keywords. CatOS: Native IOS: set vlan [vlan-id] [mod]/[port] no shutdown: set port disable [mod]/[port] interface [gigabit/fastethernet][mod]/[port] shutdown: set spantree portfast:. But in the config file, these ports have only been down since 9/29 09:50:00. Switch#show port-security interface fastEthernet 0/1 Port Security : Disabled Port Status : Secure-down Violation Mode : Shutdown Aging Time : 0 mins. Switch(config-if)#switchport port-security maximum 1 Switch(config-if)#switchport port-security mac-address sticky Switch(config-if)#switchport port-security violation shutdown.