From: Volkov, Dmitry (Toronto - BCE) (dmitry_volkov@ca.ml.com)
Date: Fri Sep 13 2002 - 00:48:45 GMT-3
BGP confederation peers lists the member autonomous systems to which this
router is connected.
This command tells the BGP process that the EBGP connection is confederation
EBGP rather than normal EBGP. Only EBGP confed peers ASs have to be there
If there is no peering between confed ASs - You don't need list them there
The same stuff as with normal ASs.
Dmitry
> -----Original Message-----
> From: Omer Ansari [mailto:omer@ansari.com]
> Sent: Thursday, September 12, 2002 7:24 PM
> To: Omer Ansari
> Cc: Lim Meng Toon; Peng Zheng; ccielab@groupstudy.com
> Subject: Re: bgp confederation peer
>
>
> OK, so the example shows RTC has a neighbor command with a
> router in AS70. [didnt notice in haste]
>
> however, i still stand by my hypothesis.
>
>
> On Fri, 13 Sep 2002, Omer Ansari wrote:
>
> > I beg to differ.
> >
> > if you dont have all the sub-ASes in the bgp confederation
> peers, how
> > would you know if the routes coming via an AS are from
> outside or from
> > within the confederation?
> >
> > i think you have to have all the sub-ASes listed in the bgp
> confed peers
> > (even if they are not adjoint)
> >
> > see bgp case study:
> > http://www.cisco.com/warp/public/459/16.html#A23.0
> >
> > RtC is not directly connected to AS70 but still has as70 in
> the bgp confed
> > peers statement, for routes coming from/via as70, how would
> rtc know if
> > its from within the confederation or outside, if it doesnt
> know who all is
> > in in the confederation?
> >
> > regards,
> > Omer
> >
> >
> > On Fri, 13 Sep 2002, [iso-8859-1] Lim Meng Toon wrote:
> >
> > > Hi,
> > >
> > > Usually you only need to peer to those routers within
> > > the confederation as required and not to every peers.
> > >
> > > Thanks
> > >
> > > --- Peng Zheng <zpnist@yahoo.com> wrote: > Hi,
> > > >
> > > > Should I only specify AS peers which are directly
> > > > connected with local router or Specify all ASs that
> > > > belong to the confederation?
> > > >
> > > > IN CIM BGP, they specify all ASs. But I remember I
> > > > saw some examples only specify ASs directly
> > > > connected.
> > > >
> > > >
> > > > Which one should be used?
> > > >
> > > > Thank you for help.
> > > >
> > > > Best Wishes,
> > > > Peng Zheng
> > > >
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