) Or the port is a static trunk port configured with the command switchport mode trunk and at the same time, the DTP negotiation is deactivated using the command switchport nonegotiate. Best regards Jan 11, 2021 · no switchport port-security. To change the stack member priority value, use the switch priority command in EXEC mode on the active switch. interface command in order to disable keepalives. Step 15: show vlan. This should have the desired results. Use the no form of this command to disable this feature. This script removes auto QoS SRND 4 version configuration. Anyway, once you have this its fairly easy to add it to a Vlan: #conf t (config)#interface fa1/0/26 Apr 5, 2024 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. This puts the switch into configuration mode. To execute a command on multiple ports at the same time, use the interface range command. Syntax. Sep 18, 2015 · The following show command will list all the interfaces on the switch: #show interface status. Sep 5, 2017 · I have to connect an additionnal small PoE switch to existing 2960 edge switch. Check the time and enable the port in order to determine the length of time that the switch stays in each state. Issue the. Once that MAC address removed. Select List of commands to be entered on device. Disable port security on the desired ports. Example: Device# show vlan: When the trunk links come up, VTP passes the VTP and VLAN information to Switch B. switch stack-member-number priority new-priority-value. If you have configured a new username or password, enter those credentials instead. switchport access vlan 103. The ports related to the interlink between both switches were in errordisable. Catalyst 6500/6000 Series Switches and 7600 Series Routers Select Type Device. no switchport trunk encapsulation dot1q. We're on our third support call to Cisco to see how we can get this fixed, because we just deployed these switches all over. Reply. If you know its Port 26 on the switch, you may find the actual Port name is Fa1/0/26. (Range: 1–59999). This chapter describes how to use the switch command-line interface (CLI) to configure software features. To disable loop guard on all the ports on a switch, use the set spantree mst global-defaults loop-guard command. DTP - how to disable. Switch(config)#int f0/10. Send commands. SW3(config-if) #switchport nonegotiate. Aug 16, 2011 · The indication that port is disabled in Cisco Device Manager ("web-interface") is very often due to the spanning-tree port blocking status. This will work for most stackable 2 days ago · 4. Choose Administration > Time Settings > Time Range. Options. (Range: 1–59999) Configuring BPDU Guard Thischaptercontainsthefollowingsections: • InformationAboutBridgeProtocolDataUnitGuardFeature,page1 • PrerequisitesforBPDUGuard,page1 . Cisco IOS Software Configuration Guide, Release 12. The Catalyst 2960 and 2960-S switch is supported by Cisco IOS software. I have to log on to it and run shut and no shut. Dec 2, 2020 · 12-02-2020 04:27 AM. Example: Configuring Port Security on an Orphan Port primary_switch(config)# feature port-security primary_switch(config-if)# int e1/1 primary_switch(config-if)# switchport port-security primary_switch(config-if)# switchport port-security max 1025 primary_switch(config-if)# switchport port-security violation restrict primary_switch(config-if Nov 29, 2017 · This is the result of the command: AUTLAN_R01 (config)#ip http secure-server. Inrush test is Aug 16, 2011 · The indication that port is disabled in Cisco Device Manager ("web-interface") is very often due to the spanning-tree port blocking status. When the interface link is established, CDP is enabled by default Mar 6, 2019 · Hi, As you already, it is not recommended to turn STP off. ip http port port-number. Oct 8, 2003 · 2. This will change the prompt to (config)#. May 6, 2007 · Enter the set spantree guard command to disable spanning tree loop guard on a per-port basis. exec-timeout 0 1. Command Mode However, if auto-negotiation is disabled on either end of the cable, the switch detects the speed anyway based on the incoming electrical signal. Use the show port-security command to display port-security settings for an interface or for the switch. 3 Energy Efficient Ethernet (EEE) mode on the port. If you save the configuration, these commands are stored and used when the switch reboots. Mar 9, 2019 · BUT. On Core switch (cisco 6509) there is no udld config. While doing the upgrade, I have seen the command the command is available to disable Stackports, but i have not tried it myself. From privileged EXEC mode, enter the configure command. Without portfast, switchport undergoes follwoing states: blocking (20sec)-> listening (15sec)-> learning state (15 sec)-> Forwarding state. Try setting the switchport first to either "mode trunk" or to "mode access". The switch member number is appended to the system prompt. no spanning-tree disable. The ">" prompt should now change to "#". If you do "switchport nonegotiate", you enable trunking on that port and disable sending dynamic trunking protocol (DTP) signals. Switch>enable. #show port-security . transport output none -- -- stop outgoing services. The default username and password is cisco. % Generating 1024 bit RSA keys, keys will be non-exportable [OK] (elapsed time was 2 seconds) AUTLAN_R01 (config)#. All interfaces are in Layer 2 mode. Hope to Help !! Ganesh. Use the no form of this command to enable the spanning tree on a port. Loc Feb 9, 2018 · 2. spanning-tree disable. Parameters. In this example, we will be configuring port 1 and 2 of the switch. To access the various configuration modes, you must start at global configuration mode. Mar 28, 2007 · Hi, I have a 48 ethernet port switch with 4 gig interfaces and i want to disable all the ethernet ports (1-48). It has udld agg mode on. This command has no arguments or keywords. If the port is indeed err-disabled thanks to the BPDU Guard (check the cause of the err-disabled state using the show interfaces status err-disabled command) then the NetGear must be sending its own BPDUs, or there May 6, 2007 · Step 1. CDP is a Cisco proprietary Layer 2 protocol that is media- and protocol-independent, and runs on Dec 8, 2023 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. To set the switch stack port speed to 10 Gbps and enable mixed stacking with one or more Catalyst 2960-S switches, use the switch stack port-speed 10 command in global configuration mode. For example, "int fa0/5" would specify port 5 on the switch. Use the no form of this command to disable protection on the port. SW1 (config)#no spanning-tree vlan 1-1014. This example shows how to set the aging time as 2 hours for the secure addresses on the Fast Ethernet interface 5/1: May 23, 2020 · The spanning-tree portfast command will not work on trunk ports. 06-29-2010 02:37 AM. You should be able to get the exact port name from the command above. 0000. 0 SRND" states that you can use the script to remove all commands, generated by Auto QoS. However, ACLs cannot be simply applied to a physical port on a 2960. 0 Helpful. no ip ssh port. Hi, Two week ago, I had to upgrade a switch stack at a customer location to the newest IOS release. Nov 20, 2019 · However, even when we disabled port security in the GUI and through the command line, we're seeing ports continue to get locked up. Command rejected: An interface must be configured to the Access or Trunk modes to be configured to NoNegotiate. On Token Ring interfaces, this command causes the interface to be deinserted from the ring. In Cisco IOS Software Release 12. 5. switchport protected-port. Note: The commands may vary depending on the exact model of your switch. To disable auto-negotiation, use the no form of this command. Only the multicast groups that have been joined by a port are sent to that port, even during a topology change. This example uses the show time command and the set port enable 2/1 command. Jul 11, 2023 · To disable the inrush test (a hardware test that checks input surge current for PoE devices), use the power inline inrush test disable Global Configuration mode command. line aux 0. command will show help you to identify the Problem. Regards, Milan. To disable LLDP-MED on the specific port, enter the following: SG350X(config)#lldp med disable. Dynamic Trunking Protocol or DTP is automatically enabled on all Cisco IOS switches. thanks Nov 20, 2022 · Video tutorial on how to shutdown / disable / enable a port on a Cisco switch. Jul 3, 2013 · If that is the case then on the individual port, the BPDU Guard can be disabled using the spanning-tree bpduguard disable command. But, you can disable all configured vlan by "no spanning-tree vlan 1-max vlan no of your vlans". To return to the default setting, use the no form of this command. It is not truely disabling Spanning Tree all together, it is just disabling the other Spanning Tree States. no switchport protected-port Use the spanning-tree disable Interface (Ethernet, Port Channel) Configuration mode command to disable the spanning tree on a specific port. I hope some Mac-address, VLAN, IP-Address has been binded to this Particular port. From global configuration mode, you can enter interface Is there any command in cisco switch that will automatically turn on ports that are shut down due to flapping if the port is disconnected and reconnected? Or do we have any command to tell the router the ignore the flapping connection? At the moment, the switch disable the port. It treats each port as a fast ethernet interface, so just log into the switch, go to interface configuration, and then do a shut. To configure a single interface, use the interface interface-id command. i havent got any errors msgs. The prompt should now read (config-if)#. speed 100! Switch_Colo_Cisco1#sh run int gi 0/15int gigabitEthernet 0/15 1. And another point , in that switch , at least 4 ports LED is glowing amber despite having no cable connected to these ports. To restore the default configuration, use the no form of this command. How can I solve this, help will be really appreicaited. 0001. Jun 9, 2007 · But "QoS Campus 4. Now your switch knows which interface to configure. power inline inrush test disable. ! end. May 4, 2010 · 05-04-2010 08:43 AM. CLI. If i globaly disable dot1x by command *** (config)# no dot1x system-auth-control i have blocked ports, wich configured to dot1x, in state - notconnect. If your requirement is to disable the console port then no exec is the way to disable it. So first, negate the existing commands: Then, execute 'no aaa new-model'. It must be applied to a layer 3 boundary. Under Days of the week, select Monday, Tuesday, Wednesday, Thursday, Friday. Enter the time range name in the Time Range field. Access to the console port is an important part of the troubleshooting process for some problems. In order to get the most To configure Cisco StackPower power-priority values for a switch in a power stack and for its high-priority and low-priority PoE ports, use the power-priority command in switch stack-power configuration mode. Switchport in errdisable between xxxxxxxsw1 and xxxxxxxsw5 -. Step 4. Syntax Cisco 1000 Series Integrated Services Routers with 4 or 8 Front-Panel Switch Ports. Cisco 3550, 4000, and 4500 Series Switches. Displaying Port Security Settings . @Network_infrastructure you are looking to use an ACL to do what you want. or if after that I type end, the following message or alert appear: %SYS-5-CONFIG_I: Configured from console by console. Mar 21, 2015 · To disable port security aging for all secure addresses on a port, use the no switchport port-security aging time interface configuration command. In general, you'd want to use this command to disable negotiation of DTP signals which tries to dynamically form a trunk when another switch is connected to the port. The range is from one to 32 characters. Enter the end command to go back to the Privilege EXEC context: Step 5. Step 3. SW1#sh span. switchport port-security. The ip ssh port Global Configuration mode command specifies the TCP port used by the SSH server. Dec 22, 2011 · I have got on a L2-switch (C2960 Software (C2960-LANBASEK9-M), Version 12. " Dec 14, 2011 · Hi, I have a lots of cisco catalyst switches, and I need to find out wich switch has port with port-security feature disabled. Switch(config-if)#no switchport mode access. The spanning tree feature cannot be turned off in switches on a per port basis. The cable from patch panel to the switch has also been changed. Click the Time tab. There are some considerations though: This script is applicable to 2960-G/S, 2975-GS, 3560-G/E/X, and 3750-G/E/X family of switches only. Jul 10, 2013 · switch stack port-speed 10. After using this command I can get into the router by ssh, and I can enable SSH version 2. 2> BPDUfilter enable command enable the filter function on the interface, filter out the BPDU packet,the purpose is a)in order to avoid the STP re Using the configuration modes (global, interface, and line), you can make changes to the running configuration. The figure shows partial Jul 27, 2017 · With the no ip igmp snooping tcn flood command, you can disable multicast flooding on a switch interface following a topology change. Select Custom Schedule and enter 07:00. Note For complete syntax and usage information for the commands used in this chapter, see the Cisco IOS Master Command List, at this URL: Dec 8, 2023 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. cat6knative#show interfaces gigabitethernet 4/1 status Port Name Status Vlan Duplex Speed Type Gi4/1 err-disabled 100 full 1000 1000BaseSX Cisco IOS Software Configuration Guide, Release 12. Click Add to add a new time range. I would join with PK in asking you to think carefully before you do this. Pls Help. H. 04-03-2017 08:24 AM. port-number—Specifies the TCP port number to be used by the SSH server. Jan 13, 2017 · Level 1. SG550X (config)#interface range GigabitEthernet1/0/1-2. Thanks . Enter a name and description, for example "Enable ports in morning". As Aref mentioned, you can disable (globally) the STP instance for a VLAN with the no spanning-tree vlan x command. Replace port-id with the ID of the port you want to enable, for example, interface fastEthernet 0/1 or interface Gi1/10. It looks like that device was seen a power device by the switch, possibly via negotiation of L2 discovery packets(CDP, LLDP) and as such tried to provide power to the port or it could be that the device wasn't at that time receiving enough power for it external source and the switch noticed this again thorough L2 discovery packets and tried to supply power, So disabling POE on the Mar 6, 2019 · 11-01-2009 09:07 AM. You need to configure "switchport mode access" to change it from trunk to access mode. Oct 1, 2010 · Make the port a static access port and move it in a dedicated "parking" VLAN. Jul 13, 2010 · You can use the "no" form of the command to remove the trunk configuation. #port channel set port channel 2/1,4/1 1 set port channel 3/7,4/7 2 set port channel 3/8,4/8 3 set port channel 1/1,2/8 10 set Mar 7, 2019 · Workaround. on same access switch other uplink is also configured with udld however it is not having any issues. Although it is not recommended, you can turn off Spanning Tree Protocol (STP) on a per-VLAN basis, or globally on the switch. Jul 17, 2023 · In this message, the switch indicates that it received a BPDU on a PortFast-enabled port, and so the switch shuts down port Gi4/1. Without seeing a full configuration, the correct interface to which the ACL must be applied is impossible to know with Sep 12, 2008 · 09-12-2008 03:54 AM. Type "en" or "enable" and put in the password again. Allegedly firmware 2. To enter global configuration mode, enter the configure command. Feb 17, 2020 · Step 4. The command was already issued. So if you do a "sh run" after you have enabled it (and assuming there is a device connected) you should see in the running config -. To debug a specific switch member, you can access it from the active switch by using the session stack-member-number privileged EXEC command. Switch#(config)int fa 0/1. hi, 1> Yes, we can not disable stp on switch, by default the switch will be configured by pvst, you can change it to mst, the switch must be configured one of the two choices. (For non-XG devices only) Select to enable or disable Energy Detect mode on the port. 50 sec from blocking to forwarding state. Issue the set port disable command in order to shut down the port. Log in to the switch console. Make that VLAN both lshut (using the shutdown command) and suspended (the state suspend command) Shutdown the port itself. no exec ----- disables exec mode acces, the user get no response when pressing the Return key at login screen. I have a comand show port-security, but it shows me just enabled port-security feature on ports, but I need opposite info, may be someone know how to view port table without port security. paste the config without the unwanted commands. then you can have ACL deny any eq to port 22, apply the acl to VLAN or port. Then, when you add another 'aaa new-model', the configuration will be empty. If you enter access mode, the interface goes into permanent nontrunking mode and If you enter trunk mode, the interface goes into permanent trunking mode. Jan 22, 2023 · Use the cdp enable command to enable the Cisco Discovery Protocol (CDP) feature at the switch level or at the interface level. Oct 11, 2018 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. ! interface GigabitEthernet0/15. Switch-A> (enable) set port disable 2/1 Port 2/1 disabled. Command Default. Spanning tree shuts down ports that are in a Port Fast-operational state if any BPDU is received on them. End with CNTL/Z. Switches detect duplex settings through auto-negotiation only. no power inline inrush test disable. no switch stack port-speed. Use the no spanning-tree vlan vlan-id command in order to disable STP on a per virtual LAN Jul 18, 2014 · Hello. This command also marks the interface as unavailable. Jul 31, 2021 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. Jun 22, 2010 · The switchport no negotiate command is used to stop the port from sending DTP messages (Dynamic Trunk Port). Step 14: Repeat the above steps on Switch B to configure the trunk ports that connect to the trunk ports configured on Switch A. transport input none -- stop incomming services telnet , ssh. Type interface port-id and press ↵ Enter. show port security [ mod_num / port_num] This example shows how to disable security on a port: Console> (enable) set port security 2/1 disable. Step 2. Just to add, this depends on the port configuration - if pre-authentication ACL is present on the port (which would normally be overridden by dACL in low-impact scenario), no dot1x system-auth-control will cause the default ACL to be in effect unconditionally. set port security mod_num/port_num disable. Global configuration . This document explains how to configure Cisco Discovery Protocol (CDP) on Cisco routers and switches that run Cisco IOS®. Jun 9, 2009 · 06-09-2009 03:13 PM. Using the configuration modes (global, interface, and line), you can make changes to the running configuration. switch stack port-speed 10. You can force a speed mismatch by statically configuring different speeds on both ends of the cable, causing the link to no longer function. You can easily check if this is your case via the "sh spanning-tree" command. Best regards Feb 17, 2020 · Step 4. interface fa0/1. Note: If you have an Sx300 or Sx500 Series switch, skip to Step 2. Also, if you enable Flex Links on a switch, you will be effectively disable STP on Dec 13, 2018 · Step 3. Type in "config t" and press enter. 02-13-2003 07:55 AM. If you want the port to stop sending DTP frames, use switchport nonegotiate command. 2(44)SE6) a port in err-disable state. How to turning off authorization on whole switch by one command, as in older realization of dot1x. [3] 5. Hello, you need to manually remove the commands first, I don't think there is one command to clear all lines from a previous aaa new-model. Note: To learn how to access an SMB switch CLI through SSH or Telnet, click here. Click the Options tab. by enabling portfast on access ports, switchport will come directly form blocking to forwading state. switchport mode access. Spanning tree is enabled on all ports. Enter in the following commands: Aug 14, 2018 · Step 1. To disable loop guard on the switch, perform this task in privileged mode: Mar 1, 2019 · By default, spanning tree runs on every port. e. #clear mac address-table dynamic xxx. Type configure terminal and press ↵ Enter. 536: %SYS-5-CONFIG_I: Configured from console by console. May 9, 2010 · For IOS based equipment there is a single solution that works. At the moment of additionnal switch connection that specific port is disabled after few seconds. no ip http port. Nov 11, 2020 · Enter configuration commands, one per line. " no negotiation auto" doesn't seem to be available either. %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to upEste (config-if)#. Use the no form of this command to restore the default configuration. This example shows how to disable stack port 2 on member 4: # switch 4 stack port 2 disable switch priority. Jun 22, 2007 · I See "err-disabled" message in your Output. From global configuration mode, you can enter interface Jun 4, 2007 · I have implemented a port secuirty on one of 6500 switch; This port is in shutdown mode and I tried clearing out the port security by typing. From what I have found when googled, it seems that switchport port-security is enabled and I'm looking for a help to disable the port security on one specific port. Mar 16, 2017 · In response to Rahul Govindan. Mar 16, 2016 · Learn how to enable or disable a port in a Cisco switch or router with this easy tutorial video. If a port later on needs to be reactivated, it can be enabled with the no shutdown command. Syntax Description Dec 13, 2018 · In this example, SG350X-48MP is used. Switch(config)# To exit to privileged EXEC mode, enter the exit or end command, or press Ctrl-Z. Select to enable or disable 802. Mar 21, 2015 · Switch(config-if)# switchport port-security aging time 2 You can verify the previous commands by entering the show port-security interface interface_id command. To check whether an interface is disabled, use the EXEC command show interfaces. Port 2/1 port security disabled. Verify the configuration. Command rejected: Conflict between 'nonegotiate' and 'dynamic' status. #shorts #cisco #ccna Apr 11, 2010 · Example: if i type: no shutdown in a interface display the following message or alert. I hope Port-Security Feature enabled in the Interface Fe 5/0/10. port port-number—For use by the HTTP server. xxxx. In my opinion her answer is wrong and the correct is configure port as static access . On FDDI interfaces, this command causes the optical bypass switch, if present, to go into bypass mode. i. Default Configuration. A disablement of the keepalive prevents errdisablement of the interface, but it does not remove the loop. Even if a port is explicitly set to trunk, DTP is still enabled on such ports, and negotiation will take place if the dynamic keyword is used on the remote switch. 3. Specifically, the document covers how to enable, verify, and disable CDP on Cisco devices and some know issues related to CDP. This is a logical interface on a 2960. check the MAC address still in the table yes or no, if still there investigate which port it learning from and clear it. Hi! I have a 6509 and I configured port channel as follows. Feb 15, 2018 · 1 of my trunk port (access switch 3750) which is a uplink is going to err-disable state again & again. deny tcp any host DEVICE_IP eq 22. switchport port-security mac-address 0000. At the global level, you enable BPDU guard on Port Fast-enabled ports by using the spanning-tree portfast bpduguard default global configuration command. Step 4 (For non-XG devices only) Select to enable or disable Short Reach mode on the port if there are GE ports on the device. To enable the inrush test, use the no form of this command. Switch(config-if)#. 05-04-2010 08:48 AM. 2SX OL-13013-06 62 Configuring Port Security This chapter describes how to configure the port security feature. Port number 2 — Fo2/0/2 — is split into four 10G ports — Te2/0/5, Te2/0/6, Te2/0/7 and Te2/0/8. ) The port is a routed port configured with the command no switchport . In this case you can still see "interface up, line protocol up (connected)" status in the "sh int" command output. Jun 29, 2010 · I dont think it is problem with ios, It should work under interface configuration mode if you want set to manual setting and if you want to disable auto negotiation configure a command no negotiation auto. Navigate to each unused port and issue the Cisco IOS shutdown command. 01-13-2017 01:12 AM - edited 03-08-2019 08:53 AM. Switch#(config-int)shut. Catalyst 6500/6000 Series Switches and 7600 Series Routers From user EXEC mode, enter the enable command. There is no global command to disable spanning tree globally. access-list extended IN_SSH. Oct 29, 2002 · On a cisco switch such as a catalyst 2900 & 3500 series switches, you can just shut the port down. interface vlan X. Sep 18, 2019 · You can do the for the device connected to the port, as per my understanding no one like to ssh to that device connects to port. Step 5. Specify the port you wish to change. Nov 28, 2013 · What it should do is when you enable sticky learning the mac address should be written to the running config under the interface of the port. ip ssh port port-number. I am trying to disable to the port on switch with command nonegotiate, SW3(config) #int fa 0/24. We have changed the LAN port IO connector at user end. int. clear config all - be careful, the switch loses all the configuration. HTH, John. This issue occurred at least 2 times after the "shut" and "no shut" of these ports currently the ports are in not connected state. Permanent Fix. it connects for about 5 seconds and then this comes up "2007 Jun 04 16:51:22 Dec 8, 2023 · If you want to configure a specific switch member port, you must include the switch member number in the CLI command interface notation. Best regards, Peter Apr 12, 2015 · Thanks Inayathulla. xxxx ( what ever the MAC address showing in the output of Last Source Address:Vlan : <mac>. 5 and later will disable Smartport by default. Your config is ok to disabe accesss from AUX to the box. When again turning auth by command dot1x system-auth-control - all ports working. negotiation [capability [capability2 Jul 11, 2023 · Use the switchport protected-port Interface Configuration mode command to isolate Unicast, Multicast, and Broadcast traffic at Layer 2 from other protected ports on the same switch. *Mar 1 22:18:00. Jul 11, 2023 · To enable auto-negotiation operation for the speed and duplex parameters and master-slave mode of a given interface, use the negotiation Interface (Ethernet, Port Channel) Configuration mode command. 2 (x)SE-based releases and later, keepalives are not sent on fiber and uplink interfaces by default. Note For complete syntax and usage information for the commands used in this chapter, see the Cisco IOS Master Command List, at this URL: Jan 12, 2024 · If the configuration is removed from the port-channels or the port type feature is disabled globally, you cannot use the lldp port-channel command to enable it on the newly supported port-channels. Note that you can also use the BPDU filter in order to disable STP on a per interface basis (BPDU filter tell the switch to stop processing BPDUs). Switch# To exit to user EXEC mode, enter the disable command. 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. Switch#conf t. (Optional) To verify the configured settings, enter the following: You should now have successfully disabled LLDP-MED on the specific port on your switch through Jul 11, 2023 · To specify the TCP port used by the web browser interface, use the ip http port Global Configuration mode command. Step 6 The following is a sample output of show interface status command when 40G QSFP module inserted in port number 2 is removed and 4x10G breakout cable is inserted into port number 2 after using the command hw-mod breakout module 1 port 2 switch 2. I suggest you can try upgrading your switch and then you should be able to disable Stackports as Feb 13, 2003 · The command does not disable spanning tree on the port, but is does force the port into the Forwarding State, which is basically disabling STP. Is there a way i can do this with one command? when im in cofigure terminal mode i dont know how i can select a range of interfaces as opposed to just one interface. no keepalive. Dec 23, 2019 · Repeat the above steps on Switch A for a second port in the switch. I admit - it is repetitive and largely redundant but significantly more foolproof at the same time . Click Add. • For a complete description of the commands that support these features, see Chapter 2, "Catalyst 2960 and 2960-S Switch Cisco IOS Commands. Cisco 1000 Series Integrated Services Routers with 4 or 8 Front-Panel Switch Ports. command > (enable) clear port security 0/0 all > (enable) set port security 0/0 enable > (enable) set port enable 0/0. ywdelnkbmthpodobdeca