Cisco Ex SERIES Bedienungsanleitung PDF herunterladen (Seite 69)

Juniper Networks/Cisco Systems Switch Interoperability Cookbook

! ! !

2. Enable PVST Plus. On a new switch configuration, this step should be unnecessary

since PVST Plus is enabled by default.

Nexus7010(config)# spanning-tree mode rstp

Nexus7010(config)# end

On Cisco Catalyst switches, the equivalent command is “spanning-tree mode

rapid-pvst”.

Validation!

The command show spanning-tree bridge brief will display a summary of

spanning tree parameters:

admin@EX4200> show spanning-tree bridge brief

STP bridge parameters

Context ID : 0

Enabled protocol : VSTP

...

The command show spanning-tree interface brief will display a

summary of spanning tree parameters on a per-interface and per-VLAN basis:

admin@VCF> show spanning-tree interface brief

Spanning tree interface parameters for VLAN 2001

Interface Port ID Designated Designated Port State Role

port ID bridge ID Cost

ge-0/0/12 128:4234 128:490 34769.100e7ea6ffc0 20000 BLK ALT

xe-1/0/2 128:4236 128:387 34769.0024f7189ec1 2000 FWD ROOT

Spanning tree interface parameters for VLAN 2002

Interface Port ID Designated Designated Port State Role

port ID bridge ID Cost

ge-0/0/12 128:4234 128:490 34770.100e7ea6ffc0 20000 BLK ALT

xe-1/0/2 128:4236 128:387 34770.0024f7189ec1 2000 FWD ROOT

The equivalent command for the Cisco Nexus 7010 is “show spanning-tree

<vlan ID>”. In this example, the Nexus 7010 is the root bridge for VLAN 2001:

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Cisco Ex SERIES Bedienungsanleitung Seite 69