[j-nsp] Static routes with aggregation switches

Eric Van Tol eric at atlantech.net
Thu Jul 8 09:30:49 EDT 2004


*One* nice thing that Cisco does have over Juniper in newer IOS releases
is next-hop failure detection.

http://www.cisco.com/en/US/about/ac123/ac114/ac173/Q2-04/department_tech
tips.html

-eric

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
sthaug at nethelp.no
Sent: Thursday, July 08, 2004 8:45 AM
To: scott at replicenter.com
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] Static routes with aggregation switches


> I have:
> 
>  M20 -gig1--> Agg-Switch -gig2-> CustomerSw
> 
> I static route 10.1.95.0/24 to next-hop on CustomerSW, I yank gig2 and
the
> 10.1.95.0/24 static route is still showing "Active".

Obviously - I would expect it to be active as long as the gig1 link to
Agg-Switch is up.

> Of course, if I yank
> gig1 the prefix goes away.  Is it possible to do what I want with an
> aggregation switch and static routing,

What kind of mechanism do you expect to use to discover that gig2 goes
down, if you don't want to use a dynamic routing protocol?

Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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