T.V. said:
> If you have an OOB network that requires the 5k mgmt0 ports to be used
> there, burn one of 1-8 on a 5010 or one of 1-16 on a 5020 as a gig port
> and
> do another VRF specially for the peer link. Done.
You could certainly send the keepalive traffic on that OOB network, but many
OOB networks don't meet the robustness standards that one might require for
operational (keepalive) traffic.
In my environment I'm using a pair of the 1G capable ports as suggested here.
I'm now kicking myself for using GLC-T in a 1G capable port since a 1m twinax
cable lists for about 25% what a pair of GLC-Ts cost.
Unfortunately, the "do another VRF" part can't work. AFAIK, it's not possible
to create a new VRF on the 5K, nor is it possible to move interfaces out of
their pre-assigned VRF.
I went with RFC3927 link-local addresses in an SVI on an L2 Etherchannel
consisting of a pair of GLC-Ts.
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.
/chris
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