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Port Channel Minimum links?

I have a configuration that involved 2 4900m's with one 2x10gig etherchannel moving traffic to another 4900m.  this configuraiton also has a 4x10g etherchannel connecting to a 6509.  The 2x10gig is the production, and part of the 4x10g is backup for the 2x10g.  Since average traffic load will be 10-12gigs, I need the entire port-channel to drop if one link fails.  I know I can do this on routing, but havent found a way in switching.  Any ideas?

Thanks

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Re: Port Channel Minimum links?

I think you are looking for this feature:

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/channel.html#wp1047602

port-channel min-links number

Hope that helps!

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