Cisco Catalyst 6880-X Specifications download pdf (Page 64)

Distribution Layer April 2014

By default, at the time of virtual domain configuration, the Cisco Catalyst 4500 VSS

system uses a virtual MAC address for the VSS system so that either active supervisor

will use the same MAC address pool, regardless of which supervisor is active, even

across a system reload.

Tech Tip

Step 5: If you are configuring a VSS system using Cisco Catalyst 4507R+E switches, each with two Cisco

Supervisor Engine 7-Es, the second Supervisor in each chassis can be installed as a spare Supervisor but the

Supervisor control plane cannot be active (that is, Catalyst 4500 VSS does not support Quad Supervisor VSS

SSO in this release). However, an installed but inactive second Supervisor has built-in Ethernet ports that are

active and available to be used for uplinks or other connectivity.

In order to use a system this way, repeat Step 1 through Step 4 in this procedure, with only the second

Supervisors installed. When the VSS configuration is complete, configure the following to ensure that the second

set of supervisors do not boot and become active.

D4500-VSS(config)#config-register 0x2100

D4500-VSS(config)#end

D4500-VSS#copy running-config startup-config

Press enter to accept the default destination filename.

D4500-VSS#redundancy reload peer

Press enter to confirm the peer switch reload.

D4500-VSS#reload

Press enter to confirm the switch reload.

Both Supervisors will reload and stop in ROMMON mode without booting IOS. The active Supervisors can now

be reinstalled, and configuration can continue once the VSS is active again.

Step 6: For each platform, define a macro that you will use in later procedures to apply the platform-specific

QoS configuration. This makes consistent deployment of QoS easier.

class-map match-any PRIORITY-QUEUE

match dscp ef cs5 cs4

class-map match-any CONTROL-MGMT-QUEUE

match dscp cs7 cs6 cs3 cs2

class-map match-any MULTIMEDIA-CONFERENCING-QUEUE

match dscp af41 af42 af43

class-map match-any MULTIMEDIA-STREAMING-QUEUE

match dscp af31 af32 af33

class-map match-any TRANSACTIONAL-DATA-QUEUE

match dscp af21 af22 af23

class-map match-any BULK-DATA-QUEUE

match dscp af11 af12 af13

class-map match-any SCAVENGER-QUEUE

match dscp cs1

policy-map 1P7Q1T

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Cisco Catalyst 6880-X Specifications Page 64