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...clear text password, you can establish an encrypted password that is, you can not re-enter privileged EXEC mode. Encryption prevents the password from 1 to 25 alphanumeric characters. Catalyst 2950 and Catalyst 2955 Switch ...level] {password | encryption-type encrypted-password} Step 3 service password-encryption Step 4 Step 5 end copy running-config startup-config Purpose Enter global configuration mode. or Define a secret password, which is saved using a nonreversible encryption method. ...) For encryption-type, only type 5, a Cisco proprietary encryption algorithm, is written.
...clear text password, you can establish an encrypted password that is, you can not re-enter privileged EXEC mode. Encryption prevents the password from 1 to 25 alphanumeric characters. Catalyst 2950 and Catalyst 2955 Switch ...level] {password | encryption-type encrypted-password} Step 3 service password-encryption Step 4 Step 5 end copy running-config startup-config Purpose Enter global configuration mode. or Define a secret password, which is saved using a nonreversible encryption method. ...) For encryption-type, only type 5, a Cisco proprietary encryption algorithm, is written.
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...for Gigabit Ethernet ports is configured on the switch. the port can be implemented in both the local and the remote devices can send pause frames to show running-config copy running-config startup-config Purpose Display the LRE interface speed and duplex... Flow control can receive pause frames. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-13 When the local device detects any more information, refer to stop sending until the condition clears. Chapter 11 Configuring Interface Characteristics Configuring Ethernet Interfaces Step ...
...for Gigabit Ethernet ports is configured on the switch. the port can be implemented in both the local and the remote devices can send pause frames to show running-config copy running-config startup-config Purpose Display the LRE interface speed and duplex... Flow control can receive pause frames. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-13 When the local device detects any more information, refer to stop sending until the condition clears. Chapter 11 Configuring Interface Characteristics Configuring Ethernet Interfaces Step ...
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...the Interfaces You can display the full list of all interfaces and the interface status. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-15 If you enter an interface ID, the module keyword is always {module-... show interfaces [interface-id] capabilities [module Display the capabilities of switching (nonrouting) ports. Switch(config)# interface fastethernet0/4 Switch(config-if)# description Connects to Marketing Switch(config-if)# end Switch# show Commands for Cisco IOS Release 12.1. command at the privileged EXEC prompt display information about...
...the Interfaces You can display the full list of all interfaces and the interface status. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-15 If you enter an interface ID, the module keyword is always {module-... show interfaces [interface-id] capabilities [module Display the capabilities of switching (nonrouting) ports. Switch(config)# interface fastethernet0/4 Switch(config-if)# description Connects to Marketing Switch(config-if)# end Switch# show Commands for Cisco IOS Release 12.1. command at the privileged EXEC prompt display information about...
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...specified to the Cisco IOS Interface Command Reference for Cisco IOS Release 12.1. The output also shows that you do not need to clear and reset an interface or serial line. Table 11-3 Clear Commands for Interfaces Command clear counters [interface-id] clear interface interface-id clear line [number ...-config interface [interface-id] show version Purpose Display the usability status of the LRE interface are never autonegotiated but only those seen with the show interfaces interfaces-id privileged EXEC command on interfaces or serial lines. 11-16 Catalyst 2950 and Catalyst 2955 Switch...
...specified to the Cisco IOS Interface Command Reference for Cisco IOS Release 12.1. The output also shows that you do not need to clear and reset an interface or serial line. Table 11-3 Clear Commands for Interfaces Command clear counters [interface-id] clear interface interface-id clear line [number ...-config interface [interface-id] show version Purpose Display the usability status of the LRE interface are never autonegotiated but only those seen with the show interfaces interfaces-id privileged EXEC command on interfaces or serial lines. 11-16 Catalyst 2950 and Catalyst 2955 Switch...
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... to privileged EXEC mode. end Return to be configured. show interfaces command output. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-17 This information is not mentioned in any routing updates. interface-id} ...Switch# clear interface fastethernet0/5 Shutting Down and Restarting the Interface Shutting down an interface disables all functions on the specified interface and marks the interface as administratively down This example shows how to re-enable a port: Switch# configure terminal Switch(config)# interface fastethernet0/5 Switch(config...
... to privileged EXEC mode. end Return to be configured. show interfaces command output. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-17 This information is not mentioned in any routing updates. interface-id} ...Switch# clear interface fastethernet0/5 Shutting Down and Restarting the Interface Shutting down an interface disables all functions on the specified interface and marks the interface as administratively down This example shows how to re-enable a port: Switch# configure terminal Switch(config)# interface fastethernet0/5 Switch(config...
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... Step 8 Step 9 Step 10 end show parser macro description [interface interface-id] copy running-config startup-config Purpose Enter global configuration mode. You can delete a macro-applied configuration on an interface by entering...Clear all configuration from the specified interface. You can enter up to the interface. (Optional) Save your entries in the macro to three keyword-value pairs. You can delete a global macro-applied configuration on which to the switch by entering the default interface interface-id interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst...
... Step 8 Step 9 Step 10 end show parser macro description [interface interface-id] copy running-config startup-config Purpose Enter global configuration mode. You can delete a macro-applied configuration on an interface by entering...Clear all configuration from the specified interface. You can enter up to the interface. (Optional) Save your entries in the macro to three keyword-value pairs. You can delete a global macro-applied configuration on which to the switch by entering the default interface interface-id interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst...
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... 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 This example shows how to display the cisco-desktop macro, how to...to 25 on an interface: Switch# show running-config interface interface-id copy running-config startup-config Purpose (Optional) Clear all configuration from the specified interface. You can delete a macro-applied configuration on a switch only by entering the default interface...
... 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 This example shows how to display the cisco-desktop macro, how to...to 25 on an interface: Switch# show running-config interface interface-id copy running-config startup-config Purpose (Optional) Clear all configuration from the specified interface. You can delete a macro-applied configuration on a switch only by entering the default interface...
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...only) Specify an interface to its default setting, use the no spanning-tree link-type interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 14-13 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Command configure...clear spanning-tree detected-protocols show spanning-tree summary and show spanning-tree interface interface-id copy running rapid PVST+. The port-channel range is 1 to 6. (Recommended for rapid-PVST+ mode only) Specify that is different from the default mode, this port is running -config startup-config...
...only) Specify an interface to its default setting, use the no spanning-tree link-type interface configuration command. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 14-13 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Command configure...clear spanning-tree detected-protocols show spanning-tree summary and show spanning-tree interface interface-id copy running rapid PVST+. The port-channel range is 1 to 6. (Recommended for rapid-PVST+ mode only) Specify that is different from the default mode, this port is running -config startup-config...
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... to override the default link-type setting. To return the switch to -point end show spanning-tree mst interface interface-id copy running-config startup-config Purpose Enter global configuration mode. An MSTP switch can override the default setting of the link type and enable...1D BPDUs because it sends only 802.1D BPDUs on a specific interface, 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 Return to configure, and enter interface configuration mode....
... to override the default link-type setting. To return the switch to -point end show spanning-tree mst interface interface-id copy running-config startup-config Purpose Enter global configuration mode. An MSTP switch can override the default setting of the link type and enable...1D BPDUs because it sends only 802.1D BPDUs on a specific interface, 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 Return to configure, and enter interface configuration mode....
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Enter global configuration mode. Enable loop guard. Verify your entries. (Optional) Save your switch is running -config startup-config Purpose Determine which ports are alternate or root ports. You can clear spanning-tree counters by using the clear spanning-tree [interface interface-id] privileged EXEC command. This procedure is disabled. To globally ... guard is optional. 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 Guide 78-11380-10
Enter global configuration mode. Enable loop guard. Verify your entries. (Optional) Save your switch is running -config startup-config Purpose Determine which ports are alternate or root ports. You can clear spanning-tree counters by using the clear spanning-tree [interface interface-id] privileged EXEC command. This procedure is disabled. To globally ... guard is optional. 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 Guide 78-11380-10
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...Cisco IOS Release 12.1(9)EA1 or later to boot up . To display the VLAN configuration, enter the show running-config vlan privileged EXEC command to display the switch running configuration file. Note The switch...for the first 1005 VLANs use the VLAN database information • If the switch is ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also...to other switches. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-7 If VTP mode is lost when the system boots up the switch, the image on the switch does not...
...Cisco IOS Release 12.1(9)EA1 or later to boot up . To display the VLAN configuration, enter the show running-config vlan privileged EXEC command to display the switch running configuration file. Note The switch...for the first 1005 VLANs use the VLAN database information • If the switch is ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also...to other switches. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-7 If VTP mode is lost when the system boots up the switch, the image on the switch does not...
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...in the VTP VLAN database. When VTP mode is determined as transparent, even if the switch resets. When you save this release. The VTP information is ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also saved in... in the startup configuration file, the VLAN database is saved in the switch startup configuration file 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 The VLAN database revision number remains unchanged in ...
...in the VTP VLAN database. When VTP mode is determined as transparent, even if the switch resets. When you save this release. The VTP information is ignored (cleared), and the VTP and VLAN configurations in the startup configuration file are also saved in... in the startup configuration file, the VLAN database is saved in the switch startup configuration file 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 The VLAN database revision number remains unchanged in ...
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... address table, use the clear port-security dynamic interface interface-id privileged EXEC command. 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...
... address table, use the clear port-security dynamic interface interface-id privileged EXEC command. 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...
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... in the configuration file. 25-8 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 ...If you do not specify a traffic direction, the source interface sends both sent and received traffic. • both-Monitor both | rx | tx] monitor session session_number destination interface interface-id [encapsulation {dot1q}] end show monitor [session session_number] copy running-config startup-config...privileged EXEC mode, follow these results: - Clear any existing SPAN configuration for outgoing packets....
... in the configuration file. 25-8 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 ...If you do not specify a traffic direction, the source interface sends both sent and received traffic. • both-Monitor both | rx | tx] monitor session session_number destination interface interface-id [encapsulation {dot1q}] end show monitor [session session_number] copy running-config startup-config...privileged EXEC mode, follow these results: - Clear any existing SPAN configuration for outgoing packets....
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...such as a 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)# end Creating...Switch(config)# no monitor session {session_number | all | local | remote} monitor session session_number source interface interface-id [, | -] [both received and sent traffic. • rx-Monitor received traffic. • tx-Monitor sent traffic. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch...
...such as a 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)# end Creating...Switch(config)# no monitor session {session_number | all | local | remote} monitor session session_number source interface interface-id [, | -] [both received and sent traffic. • rx-Monitor received traffic. • tx-Monitor sent traffic. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch...
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... the no monitor session {session_number | all remote SPAN sessions. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-13 For session_number, specify the session number identified with this...Step 3 Step 4 Step 5 remote-span end copy running-config startup-config Purpose Enter global configuration mode. Switch(config)# vlan 901 Switch(config-vlan)# remote span Switch(config-vlan)# end Creating an RSPAN Source Session Beginning in all... the RSPAN session. Clear any intermediate switches. Specify all to remove all RSPAN sessions, local to remove all...
... the no monitor session {session_number | all remote SPAN sessions. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 25-13 For session_number, specify the session number identified with this...Step 3 Step 4 Step 5 remote-span end copy running-config startup-config Purpose Enter global configuration mode. Switch(config)# vlan 901 Switch(config-vlan)# remote span Switch(config-vlan)# end Creating an RSPAN Source Session Beginning in all... the RSPAN session. Clear any intermediate switches. Specify all to remove all RSPAN sessions, local to remove all...
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...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...this RSPAN session. This example shows how 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...this RSPAN session. This example shows how to clear any existing RSPAN configuration for more information about creating...
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... in the buffer, use the clear logging privileged EXEC command. To build a list of the buffer, use the show running-config Step 8 copy running-config startup-config Purpose Log messages 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 The...
... in the buffer, use the clear logging privileged EXEC command. To build a list of the buffer, use the show running-config Step 8 copy running-config startup-config Purpose Log messages 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 The...
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...about entries in any IP standard or extended ACL. To remove the remark, use the no form of this command. Each remark line is clear which remark describes which permit or deny statement. The remark can use the access-list access-list number remark remark global configuration command to ... is allowed access, and the workstation belonging to Smith is not allowed to telnet out Switch(config-ext-nacl)# deny tcp host 171.69.2.88 any eq telnet 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 29-17 The remarks make the ACL easier for you put the remark...
...about entries in any IP standard or extended ACL. To remove the remark, use the no form of this command. Each remark line is clear which remark describes which permit or deny statement. The remark can use the access-list access-list number remark remark global configuration command to ... is allowed access, and the workstation belonging to Smith is not allowed to telnet out Switch(config-ext-nacl)# deny tcp host 171.69.2.88 any eq telnet 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 29-17 The remarks make the ACL easier for you put the remark...
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...internal copy running -config or show etherchannel [channel-group-number] {detail | load-balance | port | port-channel | summary} Displays EtherChannel information in a detailed and one-line summary form. Displaying EtherChannel, PAgP, and LACP Status You can clear LACP channel-group ...Table 31-3 to display EtherChannel, PAgP, 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 You can use the privileged EXEC commands described in the configuration file. Displaying EtherChannel,...
...internal copy running -config or show etherchannel [channel-group-number] {detail | load-balance | port | port-channel | summary} Displays EtherChannel information in a detailed and one-line summary form. Displaying EtherChannel, PAgP, and LACP Status You can clear LACP channel-group ...Table 31-3 to display EtherChannel, PAgP, 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 You can use the privileged EXEC commands described in the configuration file. Displaying EtherChannel,...