On 04/05/2010, at 6:01 AM, Charles Spurgeon wrote:
> On Mon, May 03, 2010 at 10:19:53AM +1000, Lincoln Dale wrote:
>
>> the keepalive link is not mandatory - but certainly best practice would be
>> for it to be operational as much as possible rather than having it on a
>> network that didn't have the same availability as your primary data path.
>
> In our tests, unless there is a working vpc keepalive the vpc peer
> link will not be brought up when an N5K reloads.
let me be more specific then so as to remove any confusion:
the keepalive links is NOT MANDATORY during normal system operation.
however, note that there MUST BE L3 connectivity for the vPC keepalive
link between the vPC peer switches PRIOR to a VPC domain going active.
cheers,
lincoln.
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