From: Hans None (acsyao@hotmail.com)
Date: Mon Jun 13 2005 - 18:54:12 GMT-3
here is what i mean:
on router A:
route 10.0.0.0 has two next hops 1.1.1.1 and 2.2.2.2
route 10.0.0.0 has to be advertised by bgp on router A
router bgp 65000
no auto
no sync
network 10.0.0.0 mask 255.255.255.0
when I show ip bgp on router A, what will be 10.0.0.0's next hop? 1.1.1.1 or
2.2.2.2?
>From: richard.bennett@brookemead-services.co.uk
>Reply-To: richard.bennett@brookemead-services.co.uk
>To: ccielab@groupstudy.com
>Subject: [Fwd: Re: bgp next hop if igp load balancing]
>Date: Mon, 13 Jun 2005 22:29:57 +0100 (BST)
>
>Hans - as I understand it, the networks advertised by the 'network
>x.x.x.x' bgp statement are advertised to EBGP peers, and when routes are
>advertisedto ebgp peers, the next hop is set to the ip address of the
>advertising peer, not the igp next hop.
>
>When eBGP routes are advertised to iBGP peers, the next-hop is maintained
>(i.e. the next hop of the eBGP peer whom advertised the route). This is
>often problematic as the eBGP peers IP address may not be known inside the
>IGP. In this case you can change the next hop to that of the iBGP
>routerusing the 'next-hop-self' command.
>
>hope that iswhat you are looking for
>
>Richard Bennett
>
>
>
> > All,
> >
> >
> > Normailly, when configuring bgp and use network command to advertise igp
>routes in routing table, the igp next hop will automatically carried
>over to
> > bgp.
> >
> > My question is, when igp is loadsharing and there are multiple next hop
>for
> > the igp routes, when using network command to advertise those routes,
>bgp will take which next hop?
> >
> >
> > Thanks,
> >
> >
> > Hans
> >
> > _________________________________________________________________
>Express yourself instantly with MSN Messenger! Download today - it's
>FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/
> >
> > _______________________________________________________________________
>Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Wed Jul 06 2005 - 14:43:41 GMT-3