> The situation is, one of the major peering point on the east coast of 
> the US, because of pass abuse of less then proper ISP, now required and 
> register access to the peering point based on mac address and needs to 
> be register with them, makes it a bit harder to replace your routers 
> with multiple BGPd and CARP for reliability. Also, a bit more 
> interesting is the fact that multiple ISP using CARP, for easy of use I 
> guess pick the same CARP interface and end up with MAC address 
> conflict, but more over, the MAC address registration now needs to be 
> valid meaning one of the valid register here:

The 00:00:5e:xxx MAC used by CARP (and VRRP) is multicast. I don't
think you can change a multicast lladdr to a unicast one.

Wouldn't it make more sense to have multiple (non-carp) addresses on
the peering lan, ask your peers to setup a session with both routers,
and just use carp to cater for any of your own boxes that need a
static route?

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