RE: Router-ID & BGP address-family questions

Hi, Thank you for your email.
1 - So it is mostly important when we have virtual links?
2- Can we not use: no bgp default ipv4-unicast, or we should do that?

> CC: ccielab_at_groupstudy.com
> From: jefersonf_at_gmail.com
> Subject: Re: Router-ID & BGP address-family questions
> Date: Mon, 31 Jan 2011 19:52:36 -0200
> To: hussamkibbi_at_hotmail.com
>
> 1- typically when you have several loopbacks and you want to make sure your
ospf virtual-links will survive after any reload.
>
> 2- when you are using mbgp to communicate with several differents vrf's
inside an mpls vpn core.
>
> 3- if you have one interface with ip unnumbered associated with a loopback
and you advertise it into an igp of your choice, it will not only advertise
the loopback but also the physical link itself, in other words, both will be
reachable.
>
> Sent using my Iphone
>
> Em 31/01/2011, C s 15:21, Hussam EL Kebbi <hussamkibbi_at_hotmail.com>
escreveu:
>
> > Hi experts,
> >
> > any idea?
> >
> > Thanks,
> >
> >
> >
> >> From: hussamkibbi_at_hotmail.com
> >> To: ccielab_at_groupstudy.com
> >> Subject: Router-ID & BGP address-family questions
> >> Date: Mon, 31 Jan 2011 12:57:18 +0000
> >>
> >> Hi Experts,
> >> I have 3 general questions:
> >> 1 - When it is necessary to put router-id manually (whether OSPF,
BGP)....?
> >> during MPLS?MPBGP?IPv6....
> >> 2 - when do we need to put under bgp: no bgp default ipv4-unicast ? and
use
> >> address-family ipv4?
> >> 3 - if we have interface as ip unnumbered, can we include its subnet
(taken
> >> from loopback not in routing protocol) in routing protocol?
> >> Please clarify these points!!!
> >>
> >> Thanks,
> >>
> >>
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>
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>
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Received on Tue Feb 01 2011 - 08:51:03 ART