[c-nsp] VSS - Horror stories, show-stoppers, other personal experience?

[Tony Varriale]

On 6/17/2011 1:51 PM, Murphy, William wrote:
> We are running VSS for distribution layer switching in a campus environment
> and have been quite pleased with it...  Benefits for us are simplification,
> faster convergence and better performance (distribution of traffic)...  No
> more STP blocking ports, MCE to access-layer so both links are utilized,
> faster convergence, no need for HSRP, also our two 10G uplinks are
> equal-cost even though they are connected to separate chassis...  It's
> worked quite well except for ISSU...  We have attempted using ISSU to do
> hitless IOS upgrades with maybe 20% success rate...
>
There is no ISSU on the 6500 platform and never will be.

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