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08-07-2007 09:33 PM
08-07-2007 09:33 PM
Hi!
I got 2 5406, 3 2810, connected with 2x1gb LACP trunks, and both 5406 connected with 4x1gb LACP trunks.
If I look at the path cost on the mstp instance at the 5406s, both trunks shows cost 20000.
Shouldn´t I get different costs on trunks links?
Best Regards, Magnus
I got 2 5406, 3 2810, connected with 2x1gb LACP trunks, and both 5406 connected with 4x1gb LACP trunks.
If I look at the path cost on the mstp instance at the 5406s, both trunks shows cost 20000.
Shouldn´t I get different costs on trunks links?
Best Regards, Magnus
Solved! Go to Solution.
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08-08-2007 12:13 AM
08-08-2007 12:13 AM
Solution
From memory, when you enable a trunk it will give it a higher spanning-tree priority, but the cost will remain the same. This is also effective at ensuring the trunk will be the forwarding port compared to a regular port.
If you check your running config you should notice something like:
spanning-tree trk1 priority 4
If you check your running config you should notice something like:
spanning-tree trk1 priority 4
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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