Cisco Catalyst 6880-X Specifications download pdf (Page 60)

Distribution Layer April 2014

random-detect cos 7 percent 90 100

class BULK-DATA-SCAVENGER

bandwidth remaining percent 10

queue-buffers ratio 20

random-detect cos-based

random-detect cos 1 percent 80 100

class class-default

queue-buffers ratio 25

random-detect cos-based

random-detect cos 0 percent 80 100

macro name EgressQoSOneGig

service-policy type lan-queuing output 1P3Q8T

Option 2: Congure Cisco Catalyst 4500E VSS and 4500-X VSS platforms

The Cisco Catalyst 4500E and the Cisco Catalyst 4500-X Virtual Switching Systems merge two switches

together as a single logical switch, using two Cisco Catalyst 4500E Series or two Cisco Catalyst 4500-X Series

switches, respectively. The supervisor hardware on one of the switches acts as the active control plane for both

switches by controlling protocols such as EIGRP, OSPF, Spanning Tree, CDP, and so forth, while the supervisor

hardware in both switches actively switches packets.

The Cisco Catalyst 4500E VSS does not support Quad Supervisor VSS SSO in this release. However, for sparing

purposes and for additional ports, a second Supervisor Engine can be installed in each VSS chassis. Though the

Supervisor Engines cannot be active and participate in the control plane, the built-in Ethernet ports are active

and available to be used for uplinks or other connectivity.

The following configuration example shows you how to convert two standalone Cisco Catalyst 4500E or Cisco

Catalyst 4500-X switches to a Virtual Switching System (VSS). When you set up the Cisco Catalyst 4500E or

Cisco Catalyst 4500-X Virtual Switching System, connect two 10-Gigabit Ethernet links between the chassis to

provide the Virtual Switch Link (VSL). Always use at least two links.

You can use up to eight links as members of the VSL, and the links should be distributed across Supervisor

Engines or line cards for resiliency. This design uses two 10-Gigabit Ethernet interfaces on each Supervisor

Engine for the Cisco Catalyst 4500E, and two 10 Gigabit Ethernet ports on the Cisco Catalyst 4500-X. You

connect the VSL interfaces together before you configure the VSS.

Step 1: Convert standalone Cisco Catalyst 4500E or 4500-X 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 4500E or 4500-X standalone switch #1:

Router#config t

Router#(config)#hostname VSS-Sw1

On the Cisco Catalyst 4500E or 4500-X standalone switch #2:

Router#config t

Router#(config)#hostname VSS-Sw2

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Cisco Catalyst 6880-X Specifications Page 60