Cisco Catalyst 6880-X Specifications download pdf (Page 52)

Distribution Layer April 2014

Table 4 - Example VSS connections, connecting Cisco Catalyst 6880-X chassis pair

VSS connection

VSS Switch 1

Port (PortChannel)

VSS Switch 2

Port (PortChannel)

10-Gbps, VSL 1 Ten5/5 (Po63) Ten5/5 (Po64)

10-Gbps, VSL 2 Ten5/13 (Po63) Ten5/13 (Po64)

1-Gbps, Fast-Hello Ten5/14 (1000-Mbps) Ten5/14 (1000-Mbps)

The ports chosen for the VSL on the Cisco Catalyst 6880-X reflect a base chassis

pair with no Extensible Port Cards installed. Each VSL connection is in a different port

group, using a port from the set of ports which is active for that port group regardless

of the choice of performance mode or oversubscription mode. If an Extensible Port

Card is added, the VSL connections should be distributed across available cards for

additional resiliency, with one port of the VSL connection using a base port for the

fastest VSS booting time. Similarly, when selecting ports for the VSL on a 6500-E

chassis, at least one Supervisor Engine 2T 10-Gigabit Ethernet port should be used for

the fastest VSS booting time.

Tech Tip

Step 1: If you are using a Cisco Catalyst 6807-XL or 6500-E chassis with the Cisco Catalyst 6900 Series

40-Gigabit Ethernet Interface Module with FourX adapters to convert CFP ports into four 10-Gigabit Ethernet

ports, configure the switch to enable the line card to use 10-Gigabit Ethernet functionality for the associated

port-group. If you configure this after converting to VSS, the switch parameter is required.

D6500-VSS(config)# hw-module switch [switch] slot [slot] operation-mode port-

group [port-group] TenGigabitEthernet

Example—command used before VSS conversion

D6500-VSS(config)# hw-module slot 1 operation-mode port-group 2

TenGigabitEthernet

Example—command used after VSS conversion

D6500-VSS(config)# hw-module switch 1 slot 1 operation-mode port-group 2

TenGigabitEthernet

Step 2: Convert standalone Cisco Catalyst 6500 Series Switches to VSS.

Configure a temporary hostname on each switch so you can keep track of your configuration steps. In a later

step after the conversion is complete, you apply a replacement hostname to the merged VSS configuration.

On the Cisco Catalyst 6500 or 6880-X standalone switch #1:

Router#config t

Router#(config)#hostname VSS-Sw1

On the Cisco Catalyst 6500 or 6880-X standalone switch #2:

Router#config t

Router#(config)#hostname VSS-Sw2

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Cisco Catalyst 6880-X Specifications Page 52