Port-channel(To use only some interface on the link)

Unanswered Question
Mar 25th, 2010

Hi All,

  Am trying to find a way,where only some members of the port-channel would be used until the load increase the active member capacity .If this is not possible,Also exploring a way to keep some member active and only other members become active when any or some of the active members link goes down .

Thanks for the help

Regards

Anantha Subramanian Natarajan

I have this problem too.
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Giuseppe Larosa Thu, 03/25/2010 - 10:31

Hello Anantha,

you can have some hot standly links when using LACP

LACP allows to configure priority on a port basis

The device with the best system-id like an STP root bridge decides what links are active and what are placed in hot-standby state

see the section about hot standby links, they are used for redundancy only when one of the primary links fail (no load  level trigger)

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swethchl.html#wp1276329

Hope to help

Giuseppe

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