Sorry for that.  You are correct in the IBGP does not need multihop.  Dont
ask me what I was thinking at the time.  Thanks for catching that.


Thanks,

Mario Puras
SoluNet Technical Support 



-----Original Message-----
From: Russell Heilling [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 26, 2002 9:46 AM
To: [EMAIL PROTECTED]
Subject: Re: BGP Route Reflector Question [7:54187]


wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> On your RR router, you will need to have:
>
> A, D or E (Depending on which IP is Router B), F or G (depending which one
> is Router B IP).  Also, although you could peer IBGP routers on directly
> connected interfaces, I assume that you are using Lo0 interfaces.  If this
> is the case, then dont forget that you also need these commands:
>
> neighbor x.x.x.x update-source Loopback0
> neighbor x.x.x.x ebgp-multihop 2

Whoa there...  iBGP peerings don't need ebgp-multihop, even if you are
updating using the loopback0 IP address.  You can peer with any address
configured on the iBGP neighbor, as long as it's in the IGP.  ebgp-multihop
is only needed if you wanted to do eBGP using loopbacks, or other
non-connected interfaces (e.g. if you wanted to load balance across 2
parallel connections to the same eBGP neighbor).

--
Russell Heilling
http://www.ccie.org.uk/




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