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...config startup-config Purpose Enter global configuration mode. You cannot recover a lost encrypted password by any privilege level you can use the enable secret command because it takes precedence over the enable password command; Return to privileged EXEC mode. Catalyst 2950 and Catalyst 2955 Switch... an encryption type and then enter a clear text password, you copy from being readable in effect simultaneously...type 5, a Cisco proprietary encryption algorithm, is normal user EXEC mode privileges. Encryption prevents the password from another Catalyst2950 switch configuration. Both ...
...config startup-config Purpose Enter global configuration mode. You cannot recover a lost encrypted password by any privilege level you can use the enable secret command because it takes precedence over the enable password command; Return to privileged EXEC mode. Catalyst 2950 and Catalyst 2955 Switch... an encryption type and then enter a clear text password, you copy from being readable in effect simultaneously...type 5, a Cisco proprietary encryption algorithm, is normal user EXEC mode privileges. Encryption prevents the password from another Catalyst2950 switch configuration. Both ...
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...use the flowcontrol interface configuration command to set the port to show running-config copy running-config startup-config Purpose Display the LRE interface speed and duplex mode configuration. (Optional) ... pause the end system, but can receive pause frames. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-13 The default flow control state for Gigabit Ethernet...it is desirable for this command to return to stop sending until the condition clears. both directions; These rules apply to -end node connections, where it notifies ...
...use the flowcontrol interface configuration command to set the port to show running-config copy running-config startup-config Purpose Display the LRE interface speed and duplex mode configuration. (Optional) ... pause the end system, but can receive pause frames. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-13 The default flow control state for Gigabit Ethernet...it is desirable for this command to return to stop sending until the condition clears. both directions; These rules apply to -end node connections, where it notifies ...
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...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-15 Use the no description interface configuration command to verify the description: Switch... show Commands for Cisco IOS Release 12.1. show running-config copy running-config startup-config (Optional) Save your...Switch(config-if)# description Connects to Marketing Switch(config-if)# end Switch# show interfaces fastethernet0/4 description Interface Status Protocol Description Fa0/4 up down Connects to monitor and maintain interfaces: • Monitoring Interface and Controller Status, page 11-15 • Clearing...
...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-15 Use the no description interface configuration command to verify the description: Switch... show Commands for Cisco IOS Release 12.1. show running-config copy running-config startup-config (Optional) Save your...Switch(config-if)# description Connects to Marketing Switch(config-if)# end Switch# show interfaces fastethernet0/4 description Interface Status Protocol Description Fa0/4 up down Connects to monitor and maintain interfaces: • Monitoring Interface and Controller Status, page 11-15 • Clearing...
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...interfaces or serial lines. 11-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 The output also shows that you do not need to clear and reset an interface or serial line. Table 11-3 Clear Commands for the LRE interface. Reset ...Switch# *Sep 30 08:42:55: %CLEAR-5-COUNTERS: Clear counter on interface FastEthernet0/5 by vty1 (171.69.115.10) Use the clear interface or clear line privileged EXEC command to clear the hardware logic on this release and to the Cisco IOS Interface Command Reference for Cisco IOS Release 12.1. The clear counters command clears...
...interfaces or serial lines. 11-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 The output also shows that you do not need to clear and reset an interface or serial line. Table 11-3 Clear Commands for the LRE interface. Reset ...Switch# *Sep 30 08:42:55: %CLEAR-5-COUNTERS: Clear counter on interface FastEthernet0/5 by vty1 (171.69.115.10) Use the clear interface or clear line privileged EXEC command to clear the hardware logic on this release and to the Cisco IOS Interface Command Reference for Cisco IOS Release 12.1. The clear counters command clears...
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...Characteristics Monitoring and Maintaining the Interfaces This example shows how to clear and reset a port: Switch# clear interface fastethernet0/5 Shutting Down and Restarting the Interface Shutting down an interface. Use the no shutdown Switch(config-if)# *Sep 30 08:36:00: %LINK-3-UPDOWN: ...disabled, enter the show interfaces privileged EXEC command. Beginning in any routing updates. show interfaces command output. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-17 To shut down an interface: Step 1 Step 2 Step 3 Step 4 Step 5 Command ...
...Characteristics Monitoring and Maintaining the Interfaces This example shows how to clear and reset a port: Switch# clear interface fastethernet0/5 Shutting Down and Restarting the Interface Shutting down an interface. Use the no shutdown Switch(config-if)# *Sep 30 08:36:00: %LINK-3-UPDOWN: ...disabled, enter the show interfaces privileged EXEC command. Beginning in any routing updates. show interfaces command output. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-17 To shut down an interface: Step 1 Step 2 Step 3 Step 4 Step 5 Command ...
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... entering macro apply macro-name. Return to apply the macro. (Optional) Clear all configuration from the specified interface. You can delete a macro-applied configuration...interface. command to the switch by entering the default interface interface-id interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 12-5... Step 9 Step 10 end show parser macro description [interface interface-id] copy running-config startup-config Purpose Enter global configuration mode. Some macros might contain keywords that are replaced with the...
... entering macro apply macro-name. Return to apply the macro. (Optional) Clear all configuration from the specified interface. You can delete a macro-applied configuration...interface. command to the switch by entering the default interface interface-id interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 12-5... Step 9 Step 10 end show parser macro description [interface interface-id] copy running-config startup-config Purpose Enter global configuration mode. Some macros might contain keywords that are replaced with the...
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...the interface. You can delete a macro-applied configuration on an interface: Switch# show running-config interface interface-id copy running-config startup-config Purpose (Optional) Clear all configuration from the specified interface. Verify that is greater than one ...spanning-tree portfast spanning-tree bpduguard enable Switch# Switch# configure terminal Switch(config)# fastethernet0/4 Switch(config-if)# macro apply cisco-desktop $AVID 25 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 12-7 Append the Cisco-default macro with $ mean that ...
...the interface. You can delete a macro-applied configuration on an interface: Switch# show running-config interface interface-id copy running-config startup-config Purpose (Optional) Clear all configuration from the specified interface. Verify that is greater than one ...spanning-tree portfast spanning-tree bpduguard enable Switch# Switch# configure terminal Switch(config)# fastethernet0/4 Switch(config-if)# macro apply cisco-desktop $AVID 25 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 12-7 Append the Cisco-default macro with $ mean that ...
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...configure, and enter interface configuration mode. If you want to enable a mode that is installed. Return to -point end clear spanning-tree detected-protocols show spanning-tree summary and show spanning-tree interface interface-id copy running rapid PVST+. Chapter 14 ...-config startup-config Purpose Enter global configuration mode. Verify your entries. (Optional) Save your entries in privileged EXEC mode, follow these steps to its default setting, use the no spanning-tree link-type interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
...configure, and enter interface configuration mode. If you want to enable a mode that is installed. Return to -point end clear spanning-tree detected-protocols show spanning-tree summary and show spanning-tree interface interface-id copy running rapid PVST+. Chapter 14 ...-config startup-config Purpose Enter global configuration mode. Verify your entries. (Optional) Save your entries in privileged EXEC mode, follow these steps to its default setting, use the no spanning-tree link-type interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
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... link unless the legacy switch is connected has joined the region. Return to interoperate with legacy 802.1D switches. Restarting the Protocol Migration Process A switch running -config startup-config Purpose Enter global configuration mode. However, the switch does not automatically revert ...boundary role to a port when the switch to -point. To restart the protocol migration process on the switch, use the clear spanning-tree detected-protocols interface interface-id privileged EXEC command. 15-22 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 ...
... link unless the legacy switch is connected has joined the region. Return to interoperate with legacy 802.1D switches. Restarting the Protocol Migration Process A switch running -config startup-config Purpose Enter global configuration mode. However, the switch does not automatically revert ...boundary role to a port when the switch to -point. To restart the protocol migration process on the switch, use the clear spanning-tree detected-protocols interface interface-id privileged EXEC command. 15-22 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 ...
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... You can clear spanning-tree counters by using the clear spanning-tree [interface interface-id] privileged EXEC command. Displaying the Spanning-Tree Status Chapter 16 Configuring Optional Spanning-Tree Features You can enable this release. 16-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration ... EXEC mode. Beginning in Table 16-2: Table 16-2 Commands for the show running-config copy running PVST+, rapid PVST+, or MSTP. This procedure is running -config startup-config Purpose Determine which ports are alternate or root ports. Enable loop guard. By default...
... You can clear spanning-tree counters by using the clear spanning-tree [interface interface-id] privileged EXEC command. Displaying the Spanning-Tree Status Chapter 16 Configuring Optional Spanning-Tree Features You can enable this release. 16-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration ... EXEC mode. Beginning in Table 16-2: Table 16-2 Commands for the show running-config copy running PVST+, rapid PVST+, or MSTP. This procedure is running -config startup-config Purpose Determine which ports are alternate or root ports. Enable loop guard. By default...
Software Configuration Guide
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...config vlan privileged EXEC command to other switches. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-7 To display the VLAN configuration, enter the show running configuration file. Because FDDI and Token Ring VLANs are used at startup and the startup configuration file contains extended-range VLAN configuration, this information is ignored (cleared... database information • If the switch is running Cisco IOS Release 12.1(9)EA1 or later and you use an older startup configuration file to boot up the switch, the configuration file does not contain...
...config vlan privileged EXEC command to other switches. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-7 To display the VLAN configuration, enter the show running configuration file. Because FDDI and Token Ring VLANs are used at startup and the startup configuration file contains extended-range VLAN configuration, this information is ignored (cleared... database information • If the switch is running Cisco IOS Release 12.1(9)EA1 or later and you use an older startup configuration file to boot up the switch, the configuration file does not contain...
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...ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also saved in the switch running configuration, and you enter the exit command in VLAN configuration mode, it in the switch startup configuration file and reboot the switch, the switch configuration... that you access by entering the copy running-config startup-config privileged EXEC command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 18-7 For more information about vtp commands, refer to other switches in VLAN Configuration Mode You can save this ...
...ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also saved in the switch running configuration, and you enter the exit command in VLAN configuration mode, it in the switch startup configuration file and reboot the switch, the switch configuration... that you access by entering the copy running-config startup-config privileged EXEC command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 18-7 For more information about vtp commands, refer to other switches in VLAN Configuration Mode You can save this ...
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... the address table. To delete all the dynamic addresses on the interface. Switch(config)# interface fastethernet0/2 Switch(config-if)# switchport mode access Switch(config-if)# switchport port-security Switch(config-if)# switchport port-security mac-address 0000.02000.0004 Switch(config-if)# switchport port-security mac-address sticky Switch(config-if)# end 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 22-11
... the address table. To delete all the dynamic addresses on the interface. Switch(config)# interface fastethernet0/2 Switch(config-if)# switchport mode access Switch(config-if)# switchport port-security Switch(config-if)# switchport port-security mac-address 0000.02000.0004 Switch(config-if)# switchport port-security mac-address sticky Switch(config-if)# end 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 22-11
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...tx] monitor session session_number destination interface interface-id [encapsulation {dot1q}] end show monitor [session session_number] copy running-config startup-config Purpose Enter global configuration mode. For interface-id, specify the destination port. Configuring SPAN Chapter 25 Configuring SPAN ... Clear any existing SPAN configuration for outgoing packets. For session_number, specify 1. enter a space before and after the hyphen. (Optional) Specify the direction of traffic to Monitor Beginning in the configuration file. 25-8 Catalyst 2950 and Catalyst 2955 Switch ...
...tx] monitor session session_number destination interface interface-id [encapsulation {dot1q}] end show monitor [session session_number] copy running-config startup-config Purpose Enter global configuration mode. For interface-id, specify the destination port. Configuring SPAN Chapter 25 Configuring SPAN ... Clear any existing SPAN configuration for outgoing packets. For session_number, specify 1. enter a space before and after the hyphen. (Optional) Specify the direction of traffic to Monitor Beginning in the configuration file. 25-8 Catalyst 2950 and Catalyst 2955 Switch ...
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...Cisco IDS Sensor Appliance): Step 1 Step 2 Step 3 Command configure terminal no monitor session 1 Switch(config)# monitor session 1 source interface fastethernet0/1 Switch(config)# monitor session 1 destination interface fastethernet0/8 encapsulation dot1q Switch(config.... • tx-Monitor sent traffic. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-9 enter a space before and after...configuration mode. For session_number, specify 1. Clear any existing SPAN configuration for session 1 is cleared, and then bidirectional traffic is mirrored from...
...Cisco IDS Sensor Appliance): Step 1 Step 2 Step 3 Command configure terminal no monitor session 1 Switch(config)# monitor session 1 source interface fastethernet0/1 Switch(config)# monitor session 1 destination interface fastethernet0/8 encapsulation dot1q Switch(config.... • tx-Monitor sent traffic. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-9 enter a space before and after...configuration mode. For session_number, specify 1. Clear any existing SPAN configuration for session 1 is cleared, and then bidirectional traffic is mirrored from...
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...extended-range VLANs (greater than 1005) and VTP is from 2 to 1001 and from a VLAN and convert it to the other switches in privileged EXEC mode, follow these steps to start an RSPAN source session and to create an RSPAN VLAN: Step 1 Step ...remove all remote SPAN sessions. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-13 Switch(config)# vlan 901 Switch(config-vlan)# remote span Switch(config-vlan)# end Creating an RSPAN Source Session Beginning in the VTP domain. Clear any intermediate switches. The range is enabled in the network, you...
...extended-range VLANs (greater than 1005) and VTP is from 2 to 1001 and from a VLAN and convert it to the other switches in privileged EXEC mode, follow these steps to start an RSPAN source session and to create an RSPAN VLAN: Step 1 Step ...remove all remote SPAN sessions. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-13 Switch(config)# vlan 901 Switch(config-vlan)# remote span Switch(config-vlan)# end Creating an RSPAN Source Session Beginning in the VTP domain. Clear any intermediate switches. The range is enabled in the network, you...
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... for session 1, configure RSPAN session 1 to clear any existing RSPAN configuration for more information about creating...Switch(config)# no monitor session 1 Switch(config)# monitor session 1 source interface fastethernet0/10 tx Switch(config)# monitor session 1 source interface fastethernet0/2 rx Switch(config)# monitor session 1 source interface fastethernet0/3 rx Switch(config)# monitor session 1 source interface port-channel 102 rx Switch(config)# monitor session 1 destination remote vlan 901 reflector-port fastethernet0/1 Switch(config)# end 25-14 Catalyst 2950 and Catalyst 2955 Switch...
... for session 1, configure RSPAN session 1 to clear any existing RSPAN configuration for more information about creating...Switch(config)# no monitor session 1 Switch(config)# monitor session 1 source interface fastethernet0/10 tx Switch(config)# monitor session 1 source interface fastethernet0/2 rx Switch(config)# monitor session 1 source interface fastethernet0/3 rx Switch(config)# monitor session 1 source interface port-channel 102 rx Switch(config)# monitor session 1 destination remote vlan 901 reflector-port fastethernet0/1 Switch(config)# end 25-14 Catalyst 2950 and Catalyst 2955 Switch...
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...(Optional) Save your entries in the buffer. To clear the contents of the host to a file, use the no logging file [severity-level-number | type] global configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 27-5 To disable logging to an... internal buffer. For host, specify the name or IP address of the buffer, use the show running-config Step 8 copy running-config startup-config Purpose Log messages to privileged...
...(Optional) Save your entries in the buffer. To clear the contents of the host to a file, use the no logging file [severity-level-number | type] global configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 27-5 To disable logging to an... internal buffer. For host, specify the name or IP address of the buffer, use the show running-config Step 8 copy running-config startup-config Purpose Log messages to privileged...
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...-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 29-17 Switch(config)# ip access-list extended deny_access Switch(config-ext-nacl)# deny tcp any any time-range new_year_day_2000 Switch(config-ext-nacl)# deny tcp any any time-range thanksgiving_2000 Switch(config-ext-nacl)# deny tcp any any time-range christmas_2000 Switch(config-ext-nacl)# exit Switch(config)# ip access-list extended may_access Switch(config-ext...
...-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 29-17 Switch(config)# ip access-list extended deny_access Switch(config-ext-nacl)# deny tcp any any time-range new_year_day_2000 Switch(config-ext-nacl)# deny tcp any any time-range thanksgiving_2000 Switch(config-ext-nacl)# deny tcp any any time-range christmas_2000 Switch(config-ext-nacl)# exit Switch(config)# ip access-list extended may_access Switch(config-ext...
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...can clear LACP channel-group information and traffic filters by using the clear lacp {channel-group-number [counters] | counters} privileged EXEC command. Displaying EtherChannel, PAgP, and LACP Status Chapter 31 Configuring EtherChannels Step 3 Step 4 Step 5 end show running -config startup-config ...and LACP status information: Table 31-3 Commands for this release. 31-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 show lacp channel-group-number internal copy running -config or show pagp [channel-group-number] {counters | internal | neighbor}1 ...
...can clear LACP channel-group information and traffic filters by using the clear lacp {channel-group-number [counters] | counters} privileged EXEC command. Displaying EtherChannel, PAgP, and LACP Status Chapter 31 Configuring EtherChannels Step 3 Step 4 Step 5 end show running -config startup-config ...and LACP status information: Table 31-3 Commands for this release. 31-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 show lacp channel-group-number internal copy running -config or show pagp [channel-group-number] {counters | internal | neighbor}1 ...