[c-nsp] HSRP, and the router on the other side...

[Gert Doering]

Hi,

On Tue, Mar 30, 2010 at 01:11:45PM +0200, Peter Rathlev wrote:
> > ...traffic from "offsite" will always be routed out of router-slave;
> > no amount of fiddling with route metrics will help you there. You
> > could do something awful like have the HSRP master advertise more
> > specifics, but honestly... yuck...
> 
> I a tactless attempt to digress, an MPLS VPN setup would actually give
> you the ability to force "router-master" to receive all traffic from
> upstream. Having the router-master use a higher local-preference for the
> prefix in MP-BGP would force others to use the LSP terminating at
> router-master.

... and if the ethernet link on router-master goes down, you still have
all the traffic on the wrong box.

HSRP/VRRP's inability on IOS to just make the interface disappear from 
the IP routing table (and thus from IGP/BGP's view) when passive
[configurably so] just sucks.

But certain vendors just don't listen  (BFD on SVI, anyone?).

gert
-- 
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~gert/
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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