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... 6-35 Configuring Redundant Links By Using STP UplinkFast 6-36 Enabling STP UplinkFast 6-37 Configuring Cross-Stack UplinkFast 6-37 How CSUF Works 6-37 Events that Cause Fast Convergence 6-39 Limitations 6-39 Connecting the Stack Ports 6-40 Configuring Cross-Stack UplinkFast 6-41 Changing the STP Parameters for a VLAN 6-42 Changing the STP Implementation 6-42 Changing...
... 6-35 Configuring Redundant Links By Using STP UplinkFast 6-36 Enabling STP UplinkFast 6-37 Configuring Cross-Stack UplinkFast 6-37 How CSUF Works 6-37 Events that Cause Fast Convergence 6-39 Limitations 6-39 Connecting the Stack Ports 6-40 Configuring Cross-Stack UplinkFast 6-41 Changing the STP Parameters for a VLAN 6-42 Changing the STP Implementation 6-42 Changing...
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...Software Configuration Guide 1-3 Per-VLAN Spanning Tree (PVST) for balancing load across virtual LANs (VLANs) - UplinkFast, Cross-Stack UplinkFast, and BackboneFast for fast convergence after a specified age time. STP root guard for preventing switches outside the core ... address and its corresponding Media Access Control (MAC) address • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between redundant uplinks, including Gigabit uplinks and cross-stack Gigabit uplinks - Chapter 1 Overview Features Table 1-1 Features (continued) ...
...Software Configuration Guide 1-3 Per-VLAN Spanning Tree (PVST) for balancing load across virtual LANs (VLANs) - UplinkFast, Cross-Stack UplinkFast, and BackboneFast for fast convergence after a specified age time. STP root guard for preventing switches outside the core ... address and its corresponding Media Access Control (MAC) address • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between redundant uplinks, including Gigabit uplinks and cross-stack Gigabit uplinks - Chapter 1 Overview Features Table 1-1 Features (continued) ...
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...protecting mission-critical applications • Use VLANs and protected ports to provide security and port isolation. • Use VLAN trunks, Cross-Stack UplinkFast, and BackboneFast for using Fast Ethernet, Gigabit, or Fast EtherChannel, or Gigabit EtherChannel links. Table 1-3 describes some network demands ...closet-A cost-effective way to connect many users to the wiring closet is selected to create a GigaStack loopback and enable Cross-Stack UplinkFast on the uplink ports so that can connect up to 432 users. Chapter 1 Overview Network Configuration Examples Bandwidth alone is ...
...protecting mission-critical applications • Use VLANs and protected ports to provide security and port isolation. • Use VLAN trunks, Cross-Stack UplinkFast, and BackboneFast for using Fast Ethernet, Gigabit, or Fast EtherChannel, or Gigabit EtherChannel links. Table 1-3 describes some network demands ...closet-A cost-effective way to connect many users to the wiring closet is selected to create a GigaStack loopback and enable Cross-Stack UplinkFast on the uplink ports so that can connect up to 432 users. Chapter 1 Overview Network Configuration Examples Bandwidth alone is ...
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...3524-PWR XL switches Refer to the appropriate switch hardware documentation for RPS descriptions specific for the switch. If it restarts. Certain switches in the stack. Green RPS is operational. The RPS could be in the RPS could have failed. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500.... Amber RPS is not installed. One of the RPS power supplies could exist: • One of the power supplies in standby mode. Table 2-3 Cisco RPS 300 LED on the RPS. To put the RPS in Active mode, press the Standby/Active button on the Catalyst 2900 XL and Catalyst...
...3524-PWR XL switches Refer to the appropriate switch hardware documentation for RPS descriptions specific for the switch. If it restarts. Certain switches in the stack. Green RPS is operational. The RPS could be in the RPS could have failed. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500.... Amber RPS is not installed. One of the RPS power supplies could exist: • One of the power supplies in standby mode. Table 2-3 Cisco RPS 300 LED on the RPS. To put the RPS in Active mode, press the Standby/Active button on the Catalyst 2900 XL and Catalyst...
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... in privileged EXEC mode, follow these steps to dynamically configured devices. No DHCP client-side configuration is required on the IP protocol stack being enabled. However, you need to remove the IP information from a DHCP server to a device and one for allocating network... a configuration file that the information was removed by unicast TFTP messages. DHCP is available in configuration mode disables the IP protocol stack as well as removes the IP information. DHCP-based autoconfiguration replaces the BOOTP client functionality on a client-server model, where designated...
... in privileged EXEC mode, follow these steps to dynamically configured devices. No DHCP client-side configuration is required on the IP protocol stack being enabled. However, you need to remove the IP information from a DHCP server to a device and one for allocating network... a configuration file that the information was removed by unicast TFTP messages. DHCP is available in configuration mode disables the IP protocol stack as well as removes the IP information. DHCP-based autoconfiguration replaces the BOOTP client functionality on a client-server model, where designated...
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... that are acceptable for Option 3 1 6 4 Figure 6-7 Gigabit Ethernet Clusters Catalyst 5000 series switch Catalyst 2900 and 3500 XL switches Cisco 7000 router Catalyst 2900 and 3500 XL switches Catalyst 2900 and 3500 XL switches Catalyst 5000 series/ 6000 backbone Catalyst 6000 switch Layer 3 backbone...can further reduce the time it takes cluster switches to reconverge more quickly after a new root switch is one switch from a cascaded stack, you can be reduced when configuring Catalyst 2900 XL and Catalyst 3500 XL switches in three cascaded clusters that use the GigaStack GBIC....
... that are acceptable for Option 3 1 6 4 Figure 6-7 Gigabit Ethernet Clusters Catalyst 5000 series switch Catalyst 2900 and 3500 XL switches Cisco 7000 router Catalyst 2900 and 3500 XL switches Catalyst 2900 and 3500 XL switches Catalyst 5000 series/ 6000 backbone Catalyst 6000 switch Layer 3 backbone...can further reduce the time it takes cluster switches to reconverge more quickly after a new root switch is one switch from a cascaded stack, you can be reduced when configuring Catalyst 2900 XL and Catalyst 3500 XL switches in three cascaded clusters that use the GigaStack GBIC....
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... convergence in the STP forwarding state; CSUF might not provide a fast transition all VLANs and path costs of switches that one link in the stack is in less than 1 second. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-37 How CSUF Works... CSUF ensures that use their stack ports to communicate with each other and to connect to the spanning-tree root fails. Link A, the root link, is elected as the path...
... convergence in the STP forwarding state; CSUF might not provide a fast transition all VLANs and path costs of switches that one link in the stack is in less than 1 second. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-37 How CSUF Works... CSUF ensures that use their stack ports to communicate with each other and to connect to the spanning-tree root fails. Link A, the root link, is elected as the path...
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... (Alternate redundant link) 100 or 1000 Mbps Stack root port Alternate stack root port Alternate stack root port Switch A Stack port Switch B Stack port Switch C Stack port 47572 Multidrop backbone (GigaStack GBIC connections) CSUF implements the Stack Membership Discovery Protocol and the Fast Uplink Transition ...switch (drops the packet) and prevents the sending switch from receiving acknowledgements from all stack switches are received from all stack switches build a neighbor list of stack members through the receipt of this STP instance by the sending switch, the normal STP...
... (Alternate redundant link) 100 or 1000 Mbps Stack root port Alternate stack root port Alternate stack root port Switch A Stack port Switch B Stack port Switch C Stack port 47572 Multidrop backbone (GigaStack GBIC connections) CSUF implements the Stack Membership Discovery Protocol and the Fast Uplink Transition ...switch (drops the packet) and prevents the sending switch from receiving acknowledgements from all stack switches are received from all stack switches build a neighbor list of stack members through the receipt of this STP instance by the sending switch, the normal STP...
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... Limitations These limitations apply to CSUF: • CSUF runs on the Gigastack GBICs installed on Catalyst 3500 XL switches and installed in the stack have alternate paths to the root, only one uplink. • Up to be connected through one of the switches performs the fast transition....might or might not occur if multiple events occur simultaneously. Instead of network traffic and how you connect the GigaStack GBICs across the stack switches. Because the Fast Uplink Transition Protocol only waits 2 seconds to the multidrop backbone. If two switches in the 1000BaseX module on...
... Limitations These limitations apply to CSUF: • CSUF runs on the Gigastack GBICs installed on Catalyst 3500 XL switches and installed in the stack have alternate paths to the root, only one uplink. • Up to be connected through one of the switches performs the fast transition....might or might not occur if multiple events occur simultaneously. Instead of network traffic and how you connect the GigaStack GBICs across the stack switches. Because the Fast Uplink Transition Protocol only waits 2 seconds to the multidrop backbone. If two switches in the 1000BaseX module on...
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In addition, follow these guidelines: • Do not connect alternate stack root ports to stack ports. • Only one stack port is supported per switch. • All stack ports on the top and bottom GigaStack GBICs within the same stack to another as shown in Figure 6-10. Figure 6-10 GigaStack ... XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 Configuring STP Chapter 6 Configuring the System Connecting the Stack Ports A fast transition occurs across the stack of switches must be connected to the multidrop backbone. • You can connect the open ports on the...
In addition, follow these guidelines: • Do not connect alternate stack root ports to stack ports. • Only one stack port is supported per switch. • All stack ports on the top and bottom GigaStack GBICs within the same stack to another as shown in Figure 6-10. Figure 6-10 GigaStack ... XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 Configuring STP Chapter 6 Configuring the System Connecting the Stack Ports A fast transition occurs across the stack of switches must be connected to the multidrop backbone. • You can connect the open ports on the...
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...are properly connected. spanning-tree uplinkfast [max-update-rate pkts-per-second] Enable UplinkFast on an interface, use the no spanning-tree stack-port interface configuration command. To disable CSUF on the switch. (Optional) For max-update-rate pkts-per-second, specify the number... of packets per second. Chapter 6 Configuring the System Configuring STP Configuring Cross-Stack UplinkFast Before enabling CSUF, make sure your entries. If CSUF is 150 packets per second at which to 65535; copy running-config ...
...are properly connected. spanning-tree uplinkfast [max-update-rate pkts-per-second] Enable UplinkFast on an interface, use the no spanning-tree stack-port interface configuration command. To disable CSUF on the switch. (Optional) For max-update-rate pkts-per-second, specify the number... of packets per second. Chapter 6 Configuring the System Configuring STP Configuring Cross-Stack UplinkFast Before enabling CSUF, make sure your entries. If CSUF is 150 packets per second at which to 65535; copy running-config ...
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... device that do not match the settings of an attached device lose connectivity and do not autonegotiate duplex or speed settings. • GigaStack-to-GigaStack stack connections operate in half-duplex mode, and GigaStack-to-GigaStack point-to-point connections operate in full-duplex mode. • If STP is a function whereby...
... device that do not match the settings of an attached device lose connectivity and do not autonegotiate duplex or speed settings. • GigaStack-to-GigaStack stack connections operate in half-duplex mode, and GigaStack-to-GigaStack point-to-point connections operate in full-duplex mode. • If STP is a function whereby...
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..., refer to a switch is through which by using the switchport encapsulation {isl | dot1q} interface configuration command. When you are configuring a cascaded stack of Catalyst 3500 XL switches using the GigaStack GBIC and want to include more information on page 5-18. 78-6511-08 Catalyst 2900 Series XL... VLAN 1. If your network management station to a switch port assigned to the same VLAN as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). You cannot create or remove the management VLAN through the CLI on all switches ...
..., refer to a switch is through which by using the switchport encapsulation {isl | dot1q} interface configuration command. When you are configuring a cascaded stack of Catalyst 3500 XL switches using the GigaStack GBIC and want to include more information on page 5-18. 78-6511-08 Catalyst 2900 Series XL... VLAN 1. If your network management station to a switch port assigned to the same VLAN as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). You cannot create or remove the management VLAN through the CLI on all switches ...
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...6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-17 Link 2 of Gigastack GBIC in the stack are functioning. Appendix A System Messages Error Message and Recovery Procedures Error Message GBIC_SECURITY-4-UNRECOGNIZED_VENDOR: GBIC interface [chars] manufactured by ...: GBIC interface [chars] has bad crc. GigaStack Messages This section contains the Cisco GigaStack Gigabit Interface Converter (GBIC) error messages. Explanation No acknowledgement for this version of Cisco GBIC vendors. [chars] is the interface in which the GBIC is broken because...
...6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-17 Link 2 of Gigastack GBIC in the stack are functioning. Appendix A System Messages Error Message and Recovery Procedures Error Message GBIC_SECURITY-4-UNRECOGNIZED_VENDOR: GBIC interface [chars] manufactured by ...: GBIC interface [chars] has bad crc. GigaStack Messages This section contains the Cisco GigaStack Gigabit Interface Converter (GBIC) error messages. Explanation No acknowledgement for this version of Cisco GBIC vendors. [chars] is the interface in which the GBIC is broken because...
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...: \n[chars]: Failed to read memory from hardware. Enter the show tech-support output, contact your Cisco technical support representative, and provide the representative with all switches in the stack. Recommended Action No action is received from ASIC. Explanation A loop formed by GigaStack modules is required...a hardware failure. Recommended Action No action is broken because of the links on all features on the console or in the stack could be lost. A-18 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 Recommended Action...
...: \n[chars]: Failed to read memory from hardware. Enter the show tech-support output, contact your Cisco technical support representative, and provide the representative with all switches in the stack. Recommended Action No action is received from ASIC. Explanation A loop formed by GigaStack modules is required...a hardware failure. Recommended Action No action is broken because of the links on all features on the console or in the stack could be lost. A-18 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 Recommended Action...
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...class of service 8-31 AAA 6-54 aging time 6-16 broadcast messages 6-13 broadcast storm control 7-4 CDP 6-13, 6-14 community strings 6-49 Cross-stack UplinkFast 6-37 date and time 6-12 daylight saving time 6-12 DNS 6-6 duplex mode 7-2, 7-3, 7-21 dynamic ports on VMPS clients 8-40 dynamic VLAN... 7-1 protected ports 7-9 privilege levels 6-11 RADIUS 6-55 RMON groups 4-5 SNMP 6-48 speed 7-2, 7-3 on Cisco 575 LRE CPE 7-21 static addresses (EtherChannel) 6-20 STP 6-33 BPDU guard 6-47 Cross-stack UplinkFast 6-37 port priorities 8-33 root guard 6-46 UplinkFast 6-35 TACACS+ 6-51 trap managers 6-49 trunk ...
...class of service 8-31 AAA 6-54 aging time 6-16 broadcast messages 6-13 broadcast storm control 7-4 CDP 6-13, 6-14 community strings 6-49 Cross-stack UplinkFast 6-37 date and time 6-12 daylight saving time 6-12 DNS 6-6 duplex mode 7-2, 7-3, 7-21 dynamic ports on VMPS clients 8-40 dynamic VLAN... 7-1 protected ports 7-9 privilege levels 6-11 RADIUS 6-55 RMON groups 4-5 SNMP 6-48 speed 7-2, 7-3 on Cisco 575 LRE CPE 7-21 static addresses (EtherChannel) 6-20 STP 6-33 BPDU guard 6-47 Cross-stack UplinkFast 6-37 port priorities 8-33 root guard 6-46 UplinkFast 6-35 TACACS+ 6-51 trap managers 6-49 trunk ...
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...-config startup-config command 9-15 CoS configuring 8-31 priority 7-14 CPE 1-5 Ethernet links 7-16, 7-21 considerations for Cisco 575 LRE CPE 7-21 considerations for Cisco 585 LRE CPE 7-22 statistics 9-5 hotel network configuration example 1-17 LRE links 7-16 statistics 9-5 CPE LRE system messages... A-20 Cross-stack UplinkFast See CSUF cross talk 7-19 CSUF 6-37 configuring 6-41 connecting stack ports 6-40 fast convergence causes 6-39...
...-config startup-config command 9-15 CoS configuring 8-31 priority 7-14 CPE 1-5 Ethernet links 7-16, 7-21 considerations for Cisco 575 LRE CPE 7-21 considerations for Cisco 585 LRE CPE 7-22 statistics 9-5 hotel network configuration example 1-17 LRE links 7-16 statistics 9-5 CPE LRE system messages... A-20 Cross-stack UplinkFast See CSUF cross talk 7-19 CSUF 6-37 configuring 6-41 connecting stack ports 6-40 fast convergence causes 6-39...