Re: [v6ops] [Idr] BGP Identifier

For some minor consistency,  

 I think that some LAN protocols prefer a loopback (assume always up) addr and then secondarily an interface addr.

Mitchell Erblich

On Feb 14, 2014, at 1:05 AM, Robert Raszuk wrote:

> I agree with Randy'a point here. 
> 
> BGP rtr_id does not need to be a routable address - it just needs to be unique 32 bits within the domain scope. 
> 
> We have had this discussion already during RFC6286 and concluded that 4 octet is sufficient for any type of BGP mesh. 
> 
> If anything I would propose to go opposite and to ask your implementation to allow UTF-8 encoded BGP rtr_id format. 
> 
> Rgs,
> R.
> 
> 
> On Fri, Feb 14, 2014 at 7:51 AM, Randy Bush <randy@psg.com> wrote:
> > http://tools.ietf.org/html/draft-fan-idr-ipv6-bgp-id
> >   "IPv6 BGP Identifier Capability for BGP-4", Peng Fan, Zhenqiang Li,
> >   2014-02-12
> 
> please no.  if you can not assign a unique four octet integer to each
> router in your network, then you have much bigger problems.  and adding
> a capability and more complexity to try to patch over your inability to
> configure your routers will just compound your problems.
> 
> randy
> 
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