[c-nsp] question about SSO

[Tassos Chatzithomaoglou]

Enhanced chassis (6500-E), DFC cards and SXI should do around 500ms.
Cisco has said in later versions it will move down to 50ms.

On my own L2 tests, the above setup did < 1s, regardless of which card was used for 
passing traffic.

-- 
Tassos

Church, Charles wrote on 28/04/2009 22:13:
> Unless there are DFCs involved, I would expect a tiny delay when the
> linecards switch over to the other PFC.  I thought Cisco promised
> failover times or a second or two with SSO on a 6500.  I think you're
> seeing what you should.
> 
> Chuck
> 
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Neil d
> Sent: Tuesday, April 28, 2009 2:51 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] question about SSO
> 
> 
> Hi everyone,
> 
> I have a 7609s with 2 sup720, working in sso mode, now when the sup
> switchover, according to cisco documentation, layer 2 traffic shouldnt
> be
> interupted, but I noticed there's a rougly 0.6s gap in packet loss. (
> traffic is in/out the same router, no other router involved). Is this
> normal? I was thinking forwarding plan is not affected by the redundancy
> switchover command. maybe I'm wrong?
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