[j-nsp] BGP multihop question

Campbell, Alex Alex.Campbell at ogilvy.com.au
Fri Oct 31 08:07:25 EDT 2008


Thanks, that's great.  They're not running RIP or OSPF to customers.

The only other thing is that I'm not sure about is whether to point the
static route to the ISP router's HSRP address or their individual
addresses?


-----Original Message-----
From: Derick Winkworth [mailto:dwinkworth at att.net] 
Sent: Friday, 31 October 2008 11:03 PM
To: Campbell, Alex
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] BGP multihop question

That is the correct approach, unless they are also running RIP or OSPF
inbetween...

Which I doubt.  But hey... you never know.



Campbell, Alex wrote:
> Hi all,
>
> We are in the process of bringing up an additional upstream provider
to
> our J4350s. They have given us two switchports on a /29, and told us
to
> establish multihop BGP sessions to their routers (which are on a
> completely different subnet).  Each switchport will come back to a
> different J4350 on our end.
>
> My problem is that I don't get how our routers will know where to send
> the BGP packets to the ISPs routers, as they won't have a route for
them
> (we are running defaultless).
>
> I think I need to add a static route out to their BGP routers - is
this
> the correct approach here? Or am I missing something?
>
> Any help would be most appreciated.
>
> Regards,
>
> Alex
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