cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
361
Views
0
Helpful
2
Replies

Spanning tree

Hi,

I have to change SW2 Gi0/21  as Desg port. Please advice me

SW1gig1/0/48---------SW2gig0/21

SW1gig1/0/35---------SW2gig0/22

 

 

spanning-tree mode pvst

 

SW1

VLAN0004

  Spanning tree enabled protocol ieee

  Root ID    Priority    32772

             Address     10bd.18d1.ee00

             This bridge is the root

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

 

  Bridge ID  Priority    32772  (priority 32768 sys-id-ext 4)

             Address     10bd.18d1.ee00

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

             Aging Time  300 sec

 

Interface           Role    Sts       Cost             Prio.Nbr       Type

Gi1/0/35            Desg FWD 35000                160.35   P2p

Gi1/0/48            Desg FWD 30000                160.48   P2p

 

SW2

VLAN0004

  Spanning tree enabled protocol ieee

  Root ID    Priority    32772

             Address     10bd.18d1.ee00

             Cost        4

             Port        22 (GigabitEthernet0/22)

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

 

  Bridge ID  Priority    32772  (priority 32768 sys-id-ext 4)

             Address     d824.bdcd.1a00

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

             Aging Time  300 sec

 

Interface           Role Sts Cost      Prio.Nbr Type

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

Gi0/21              Altn BLK 4          32.21   P2p

Gi0/22              Root FWD 4          32.22   P2p

 

Thank you

2 Replies 2

Jon Marshall
Hall of Fame
Hall of Fame

 

You would have to make SW2 the root switch for that port to be designated. 

 

What are you trying to achieve ? 

 

Jon

Yes , i have to make SW2 the root switch for vlan4

Thanks
Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:

Review Cisco Networking products for a $25 gift card