[c-nsp] nexus 5xx vpc peer keepalives

[chris stand]

How about power outage in the data center


>   9. Re: nexus 5xx vpc peer keepalives (Lincoln Dale)

Message: 9
> Date: Sun, 2 May 2010 16:54:39 +1000
> From: Lincoln Dale <ltd at cisco.com>
> To: "<Christopher.Marget at usc-bt.com>" <Christopher.Marget at usc-bt.com>
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] nexus 5xx vpc peer keepalives
> Message-ID: <EEB363CA-8CDB-4290-B66F-97E13EA116C3 at cisco.com>
> Content-Type: text/plain; charset=us-ascii
>
> On 01/05/2010, at 10:09 PM, <Christopher.Marget at usc-bt.com> <
> Christopher.Marget at usc-bt.com> wrote:
> > It hasn't given me any surprises.  TAC reviewed it, told me I should be
> fine, didn't seem to share my (or the OP's) concern about making the
> keepalive robust.
>
> the L3 (IP) based vPC keepalive is purely intended to assist in dealing
> with split-brain if the vPC peer-link is non-functional.
>
> having simultaneous failure of both would be an unusual circumstance,
> particularly if you follow best-practice on the vPC peer-link itself..
>
>
> cheers,
>
> lincoln.
>
>
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