The IPv6 Travesty that is Cogent's refusal to peer Hurricane Electric - and how to solve it

Wed Jan 27 07:37:46 UTC 2016

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On 27/Jan/16 09:31, joel jaeggli wrote:

> > > There are also of course variations on this. An an aggregation
router > may have quite limited FIB, e.g. enough for customer routes yet
still > have a full rib in it's control-plane, at which point it needs
to > default towards devices which do have a FIB in place.  assuming a
single > hob peering it would be rather hard to identify this case as a
customer, > though if your neighbor has an Arista mac address for
example that might > be a logical conclusion.

In all our Metro-E deployments, where we have enough RIB to hold
multiple full feeds, but a limited FIB for forwarding, there is no
discernible difference in performance both at the routing and forwarding
levels to our customers that take full BGP feeds natively from these
devices.

Mark.
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