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Juniper Networks/Cisco Systems Switch Interoperability Cookbook

! ! !

Nexus7010(config-if)# switchport mode trunk

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

Nexus7010(config-if)# no shutdown

Nexus7010(config-if)# exit

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

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

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@VCF# run show spanning-tree bridge brief

STP bridge parameters

Routing instance name : GLOBAL

Context ID : 0

Enabled protocol : RSTP

...

On the Cisco Nexus 7010, the equivalent command is “show spanning-tree

<vlan ID>”:

Nexus7010# show spanning-tree vlan 2001

VLAN2001

Spanning tree enabled protocol rstp

Root ID Priority 34769

Address 0024.f718.9ec1

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 34769 (priority 32768 sys-id-ext 2001)

Address 0024.f718.9ec1

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Eth3/1 Desg FWD 2 128.385 P2p

Eth3/3 Back BLK 2 128.387 P2p

Note that interface e3/1 is in forwarding state, and e3/3 is in blocking state.

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Cisco Ex SERIES Manual do Utilizador Página 58