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Juniper Networks/Cisco Systems Switch Interoperability Cookbook

! ! !

Nexus7010(config-if)# interface Ethernet3/1

Nexus7010(config-if)# description MSTP to Juniper VCF xe-1/0/2

Nexus7010(config-if)# switchport

Nexus7010(config-if)# switchport mode trunk

Nexus7010(config-if)# switchport trunk allowed vlan 2001-2002

Nexus7010(config-if)# no shutdown

Nexus7010(config-if)# interface Ethernet3/3

Nexus7010(config-if)# description MSTP to Juniper EX4300 xe-0/2/0

Nexus7010(config-if)# switchport

Nexus7010(config-if)# switchport mode trunk

Nexus7010(config-if)# switchport trunk allowed vlan 2001-2002

Nexus7010(config-if)# no shutdown

Note that Cisco Nexus 7000 switches require the explicit “no shutdown” command to

enable interfaces. This command is not required in Cisco Catalyst switches.

4. Enable multiple spanning tree. This requires defining multiple spanning tree as the

mode of operation and adding one multiple spanning tree instance (MSTI) per VLAN.

Nexus7010(config)# spanning-tree mode mst

Nexus7010(config)# spanning-tree mst configuration

Nexus7010(config-mst)# instance 1 vlan 2001

Nexus7010(config-mst)# instance 2 vlan 2002

Nexus7010(config-mst)# end

Validation!

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

spanning tree parameters:

admin@VCF> show spanning-tree bridge brief

STP bridge parameters

Context ID : 0

Enabled protocol : MSTI

...

The command show spanning-tree interface brief will display a

summary of spanning tree parameters on a per-interface and per-MSTI basis.

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Cisco Ex SERIES Manual do Utilizador Página 63