Configuration Guide
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... Stack Configuration Files 5-14 Additional Considerations for System-Wide Configuration on Switch Stacks 5-15 Switch Stack Management Connectivity 5-16 Connectivity to the Switch Stack Through an IP Address 5-16 Connectivity to the Switch Stack Through an SSH Session 5-16 Connectivity to the Switch Stack Through Console Ports 5-16 Connectivity to Specific Stack Members 5-17 Switch Stack Configuration Scenarios 5-17 Catalyst 3750 Switch Software Configuration...
... Stack Configuration Files 5-14 Additional Considerations for System-Wide Configuration on Switch Stacks 5-15 Switch Stack Management Connectivity 5-16 Connectivity to the Switch Stack Through an IP Address 5-16 Connectivity to the Switch Stack Through an SSH Session 5-16 Connectivity to the Switch Stack Through Console Ports 5-16 Connectivity to Specific Stack Members 5-17 Switch Stack Configuration Scenarios 5-17 Catalyst 3750 Switch Software Configuration...
Configuration Guide
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... Configuration 6-12 IP Addresses 6-13 Hostnames 6-13 Passwords 6-14 SNMP Community Strings 6-14 Switch Clusters and Switch Stacks 6-15 TACACS+ and RADIUS 6-16 LRE Profiles 6-16 Using the CLI to Manage Switch Clusters 6-16 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-17 Using SNMP to Manage Switch Clusters 6-17 OL-8550-02 Catalyst 3750 Switch Software Configuration...
... Configuration 6-12 IP Addresses 6-13 Hostnames 6-13 Passwords 6-14 SNMP Community Strings 6-14 Switch Clusters and Switch Stacks 6-15 TACACS+ and RADIUS 6-16 LRE Profiles 6-16 Using the CLI to Manage Switch Clusters 6-16 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-17 Using SNMP to Manage Switch Clusters 6-17 OL-8550-02 Catalyst 3750 Switch Software Configuration...
Configuration Guide
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...system. Configured switches use the config.text file stored on page 5-14 and Appendix C, "Working with the Cisco IOS File System, Configuration Files, and Software Images," for information about switch stack configuration files. Modifying the Startup Configuration Chapter ...Controlling Environment Variables, page 3-15 See also "Switch Stack Configuration Files" section on the system board in flash memory. Automatically Downloading a Configuration File You can specify a different filename, which will be loaded during the next boot cycle. 3-12 Catalyst 3750 Switch Software Configuration...
...system. Configured switches use the config.text file stored on page 5-14 and Appendix C, "Working with the Cisco IOS File System, Configuration Files, and Software Images," for information about switch stack configuration files. Modifying the Startup Configuration Chapter ...Controlling Environment Variables, page 3-15 See also "Switch Stack Configuration Files" section on the system board in flash memory. Automatically Downloading a Configuration File You can specify a different filename, which will be loaded during the next boot cycle. 3-12 Catalyst 3750 Switch Software Configuration...
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.... You can manage the stack through a single IP address. Switch Stack Membership, page 5-3 - Stack Member Priority Values, page 5-7 - Switch Stack Software Compatibility Recommendations, page 5-10 - Stack Protocol Version Compatibility, page 5-10 - Major Version Number Incompatibility Among Switches, page 5-11 - Additional Considerations for back-up purposes. Switch Stack Configuration Scenarios, page 5-17 Catalyst 3750 Switch Software Configuration Guide 5-2 OL-8550-02...
.... You can manage the stack through a single IP address. Switch Stack Membership, page 5-3 - Stack Member Priority Values, page 5-7 - Switch Stack Software Compatibility Recommendations, page 5-10 - Stack Protocol Version Compatibility, page 5-10 - Major Version Number Incompatibility Among Switches, page 5-11 - Additional Considerations for back-up purposes. Switch Stack Configuration Scenarios, page 5-17 Catalyst 3750 Switch Software Configuration Guide 5-2 OL-8550-02...
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... in the hardware installation guide. A switch stack always has one stack member that you add to nine stack members connected through their LAN ports, such as the 10/100/1000 ...stack members. For more switch stacks, each with Cisco Network Assistant, available on stack members causes the switch stack to partition the switch stack: a. If you did not intend to divide (partition) into two or more information about replacing a failed switch, see the "Switch Stack Offline Configuration" section on the switches. Power off . OL-8550-02 Catalyst 3750 Switch Software Configuration...
... in the hardware installation guide. A switch stack always has one stack member that you add to nine stack members connected through their LAN ports, such as the 10/100/1000 ...stack members. For more switch stacks, each with Cisco Network Assistant, available on stack members causes the switch stack to partition the switch stack: a. If you did not intend to divide (partition) into two or more information about replacing a failed switch, see the "Switch Stack Offline Configuration" section on the switches. Power off . OL-8550-02 Catalyst 3750 Switch Software Configuration...
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... the previous stack master rejoins the stack, the stack continues to 9) identifies each member in the stack. Stack members in the network. If the stack master changes, the MAC address of the stack master determines the bridge ID and router MAC address. For more information, see the "Switch Stack Configuration Files" section on page 5-22. Catalyst 3750 Switch Software Configuration Guide 5-6 OL...
... the previous stack master rejoins the stack, the stack continues to 9) identifies each member in the stack. Stack members in the network. If the stack master changes, the MAC address of the stack master determines the bridge ID and router MAC address. For more information, see the "Switch Stack Configuration Files" section on page 5-22. Catalyst 3750 Switch Software Configuration Guide 5-6 OL...
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...:%IMAGEMGR-6-AUTO_ADVISE_SW:storage devices on all of Images on a Server or Cisco.com" section on page C-19. It copies the software image from the stack master. All stack members periodically receive synchronized copies of stack master has the latest configuration files. 5-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 For more information about using the archive...
...:%IMAGEMGR-6-AUTO_ADVISE_SW:storage devices on all of Images on a Server or Cisco.com" section on page C-19. It copies the software image from the stack master. All stack members periodically receive synchronized copies of stack master has the latest configuration files. 5-14 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 For more information about using the archive...
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... page 28-10 • "ACLs and Switch Stacks" section on page 32-6 • "EtherChannel and Switch Stacks" section on Switch Stacks These sections provide additional considerations for a standalone switch configuration. Additional Considerations for System-Wide Configuration on page 34-10 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-15 If a stack member fails and you do not need...
... page 28-10 • "ACLs and Switch Stacks" section on page 32-6 • "EtherChannel and Switch Stacks" section on Switch Stacks These sections provide additional considerations for a standalone switch configuration. Additional Considerations for System-Wide Configuration on page 34-10 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-15 If a stack member fails and you do not need...
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... noncryptographic version of one or more stack members. 5-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Note Stack members retain their IP addresses when you removed from a switch stack. Connectivity to the Switch Stack Through an IP Address The switch stack is not specific to the stack master or to the stack master through a single IP address. Understanding...
... noncryptographic version of one or more stack members. 5-16 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Note Stack members retain their IP addresses when you removed from a switch stack. Connectivity to the Switch Stack Through an IP Address The switch stack is not specific to the stack master or to the stack master through a single IP address. Understanding...
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... recommend using only one of the two stack masters becomes the new stack master. The stack member number is Switch. Most of the other stack member has a saved (nondefault) configuration file. 2. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-17 For more information, see the "Using Interface Configuration Mode" section on switch stacks specifically determined through their StackWise ports...
... recommend using only one of the two stack masters becomes the new stack master. The stack member number is Switch. Most of the other stack member has a saved (nondefault) configuration file. 2. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-17 For more information, see the "Using Interface Configuration Mode" section on switch stacks specifically determined through their StackWise ports...
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... software installed and that the other stack member: The stack member with the lower MAC address is elected stack master. The stack master is elected stack master. 1. Through their StackWise ports, connect added to a powered-on the new switch. 5-18 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Assuming that one stack member has the cryptographic IP services...
... software installed and that the other stack member: The stack member with the lower MAC address is elected stack master. The stack master is elected stack master. 1. Through their StackWise ports, connect added to a powered-on the new switch. 5-18 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Assuming that one stack member has the cryptographic IP services...
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... OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-19 During this configuration information: • Default Switch Stack Configuration, page 5-19 • Enabling Persistent MAC Address, page 5-19 • Assigning Stack Member Information, page 5-22 Default Switch Stack Configuration Table 5-3 shows the default switch stack configuration. Add more than nine stack members 1. master has nine stack members. master remains as stack members and do...
... OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-19 During this configuration information: • Default Switch Stack Configuration, page 5-19 • Enabling Persistent MAC Address, page 5-19 • Assigning Stack Member Information, page 5-22 Default Switch Stack Configuration Table 5-3 shows the default switch stack configuration. Add more than nine stack members 1. master has nine stack members. master remains as stack members and do...
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... Mac persistency wait time: 7 mins OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-21 Step 1 Step 2 Command Purpose configure terminal Enter global configuration mode. This procedure is enabled. Note When you always configure a value. • Enter 0 to continue using the MAC address of minutes configured, and the current stack MAC address. (Optional) Save your entries in privileged...
... Mac persistency wait time: 7 mins OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-21 Step 1 Step 2 Command Purpose configure terminal Enter global configuration mode. This procedure is enabled. Note When you always configure a value. • Enter 0 to continue using the MAC address of minutes configured, and the current stack MAC address. (Optional) Save your entries in privileged...
Configuration Guide
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... show switch user EXEC command. By default, no form of a supported switch that is elected as in Step 2. (Optional) Save your entries in the switch stack. Verify the correct numbering of the provisioned switch. See Step 1. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-23
... show switch user EXEC command. By default, no form of a supported switch that is elected as in Step 2. (Optional) Save your entries in the switch stack. Verify the correct numbering of the provisioned switch. See Step 1. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 5-23
Configuration Guide
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.... VLAN 1 and VLANs 1002 to a VTP Domain, page 14-14 14-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Extended-range VLANs (VLAN IDs higher than 1005) are carried across the stack. • When VTP mode is changed in a switch in the stack, the other switches in the entire network. • Turn off VTP...
.... VLAN 1 and VLANs 1002 to a VTP Domain, page 14-14 14-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 Extended-range VLANs (VLAN IDs higher than 1005) are carried across the stack. • When VTP mode is changed in a switch in the stack, the other switches in the entire network. • Turn off VTP...
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..." section on page 16-13. 16-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 See the "Configuring a Layer 2 Interface as a Private-VLAN Promiscuous Port" section on page 16-12. Configuring Private VLANs Chapter 16 Configuring Private VLANs Private VLANs and Switch Stacks Private VLANs can operate within the switch stack, and private-VLAN ports can impact private...
..." section on page 16-13. 16-6 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 See the "Configuring a Layer 2 Interface as a Private-VLAN Promiscuous Port" section on page 16-12. Configuring Private VLANs Chapter 16 Configuring Private VLANs Private VLANs and Switch Stacks Private VLANs can operate within the switch stack, and private-VLAN ports can impact private...
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..., page 18-18 (optional) • Configuring Path Cost, page 18-20 (optional) 18-12 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 The bridge ID is derived from collapsing into a single spanning tree. For more information about switch stacks, see Chapter 42, "Configuring Fallback Bridging." Configuring Spanning-Tree Features Chapter 18 Configuring STP VLAN spanning trees to...
..., page 18-18 (optional) • Configuring Path Cost, page 18-20 (optional) 18-12 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 The bridge ID is derived from collapsing into a single spanning tree. For more information about switch stacks, see Chapter 42, "Configuring Fallback Bridging." Configuring Spanning-Tree Features Chapter 18 Configuring STP VLAN spanning trees to...
Configuration Guide
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... relay agent information2 22-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 When a new switch joins the stack, the switch receives the DHCP snooping configuration from the stack master. The new master of the partitioned stack begins processing the new incoming DHCP packets. Configuring DHCP Features These sections contain this configuration information: • Default DHCP Configuration, page 22-8 •...
... relay agent information2 22-8 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 When a new switch joins the stack, the switch receives the DHCP snooping configuration from the stack master. The new master of the partitioned stack begins processing the new incoming DHCP packets. Configuring DHCP Features These sections contain this configuration information: • Default DHCP Configuration, page 22-8 •...
Configuration Guide
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... remain members of the EtherChannel. In this configuration information: • Default SPAN and RSPAN Configuration, page 28-11 • Configuring Local SPAN, page 28-11 • Configuring RSPAN, page 28-17 28-10 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 SPAN and RSPAN and Switch Stacks Because the stack of switches in the inactive or suspended state...
... remain members of the EtherChannel. In this configuration information: • Default SPAN and RSPAN Configuration, page 28-11 • Configuring Local SPAN, page 28-11 • Configuring RSPAN, page 28-17 28-10 Catalyst 3750 Switch Software Configuration Guide OL-8550-02 SPAN and RSPAN and Switch Stacks Because the stack of switches in the inactive or suspended state...
Configuration Guide
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... the switch tests packets against the conditions in the stack. When a stack master fails and a new stack master is elected, the newly elected master reparses the backed up running configuration is critical. The switch does not support these Cisco IOS router ACL-related features: • Non-IP ...an access list. The first match determines whether the switch accepts or rejects the packet. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 32-7 The new stack master distributes the ACL information to take over the role of permit and deny conditions. For more detailed ...
... the switch tests packets against the conditions in the stack. When a stack master fails and a new stack master is elected, the newly elected master reparses the backed up running configuration is critical. The switch does not support these Cisco IOS router ACL-related features: • Non-IP ...an access list. The first match determines whether the switch accepts or rejects the packet. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 32-7 The new stack master distributes the ACL information to take over the role of permit and deny conditions. For more detailed ...