Hi,
I suppose IBGP topology is star and to avoid single point of
failure , you could have any number of router reflectors within a cluster
but you are going back to the full mesh topology ! ) or use an efficient
IGP and redistribute it with BGP .
Regs,
Shibu
""RAJESH.V.S"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi All,
>
> Got a Doubt on BGP Route Reflectors. BGP uses route reflectors to
simplify
> the IBGP mesh configuration.
> Say a RR reflects an IBGP route announced by RRclient-1 to another RR
> client say, RRClient-2. The RR keeps the next hop of the IBGP network
> announced by RRclient-1 un-altered while announcing to RRclient-2. Now if
> the next hop i.e. RRClient-1 is inaccessible to RRclient-2 , RRClient-2
> will not advertise that route to its peers ( EBGP/IBGP). And IBGP peers
can
> be many hops away ( i.e. not directly connected/in same subnet). As per
BGP
> doc from Cisco , even if you use next-hop-self, only EBGP next hops will
be
> altered, not Reflected IBGP next hops. So in a large IBGP only network
no
> other IGP ), how will you ensure the connectivity to all the links between
> RRClient nexthops?
>
> Will they use any IGP or static route for this purpose ?. Or you have to
> manipulate the point where you advertise each IBGP networks to contain
> next-hop subnets also ?. Or is there any mistake in my understanding ?.
>
> Please advice,
>
> Thanks in advance
> Regards
> Rajesh
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