[c-nsp] Symmetric load-splitting with CEF

[Fred Reimer]

Yes, interchassis EtherChannel is now supported with Cisco's VSS
technology.

Thanks,

Fred Reimer, CISSP, CCNP, CQS-VPN, CQS-ISS
Senior Network Engineer
Coleman Technologies, Inc.
954-298-1697




> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Tomas Daniska
> Sent: Monday, November 19, 2007 9:06 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Symmetric load-splitting with CEF
> 
> Hi all,
> 
> I am aware that symmetric load splitting to transparent
> stateful devices
> (such as IPS, SCE etc...) is possible with EtherChanneling
> (with some
> careful balancing algorithm design), and is available on
> c6k5 for some
> time.
> 
> But - c6k5 do not support cross-chassis EtherChannels with
> current
> supervisors; so if topological redundancy is required, L2-
> based LB is
> not the way to go. I've noticed someone somewhere saying
> this is also
> possible with CEF at L3, but I can find no reference for
> such solutions.
> 
> Can anyone advise me please...
> 
> 
> thanks much
> 
> 
> --
> 
> Tomas Daniska
> systems engineer
> 
> Soitron, a.s.
> Plynarenska 5, 829 75 Bratislava, Slovakia
> tel: +421 2 58224111, fax: +421 2 58224199
> 
> A transistor protected by a fast-acting fuse will protect
> the fuse by
> blowing first.
> 
> 
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