Discovery Through Different Management Vlans - Cisco Catalyst 2975 Software Configuration Manual

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Planning a Switch Cluster

Command device

Discovery Through Different Management VLANs

Catalyst 2970, Catalyst 3550, Catalyst 3560, or Catalyst 3750 cluster command switches can discover

and manage cluster member switches in different VLANs and different management VLANs. As cluster

member switches, they must be connected through at least one VLAN in common with the cluster

command switch. They do not need to be connected to the cluster command switch through their

management VLAN. The default management VLAN is VLAN 1.

If the switch cluster has a Catalyst 3750 or 2975 switch or has a switch stack, that switch or switch stack

must be the cluster command switch.

The cluster command switch and standby command switch in

Catalyst 2960, Catalyst 2970, Catalyst 2975, Catalyst 3550, Catalyst 3560, or Catalyst 3750 cluster

command switches) have ports assigned to VLANs 9, 16, and 62. The management VLAN on the cluster

command switch is VLAN 9. Each cluster command switch discovers the switches in the different

management VLANs except these:

Catalyst 2975 Switch Software Configuration Guide

Discovery Through Different VLANs

VLAN trunk 9,16

VLAN trunk 9,16

VLAN trunk 4,16

Switches 7 and 10 (switches in management VLAN 4) because they are not connected through a

common VLAN (meaning VLANs 62 and 9) with the cluster command switch

Switch 9 because automatic discovery does not extend beyond a noncandidate device, which is

Clustering Switches

(assuming they are

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