From: Hector Fernandez (gnakh@telefonica.net)
Date: Sun Aug 21 2005 - 07:42:59 GMT-3
Hi Anton,
AFAIK, Level-1 or Level-2 have to do with the kind of adjacencies routers
create. If both are level1-2, they'll create both L2 and L1 adjacencies.
By having a L1 beside a route means you've learned the route via an L1
neighbor. Same applies to L2.
If you want to see the type of route, you can look at the metric. If it's
greater that 64 (extended metric), it's external (or someone forced extended
metric).
If you look at the isis database details you'll see the tag "IP-external"
on the redistributed (external) routes (sh isis data detail).
Regards
Hector
----- Original Message -----
From: "Anton Yurchenko" <phila@cascopoint.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, August 21, 2005 4:25 AM
Subject: effect of "redistribute ospf level-1-2" in ISIS
> Hi All,
>
> I`m redistributing OSPF into ISIS, and external routes show up as L2.
> With "level-1-2" option they show up in ISIS domain as L1. So how is
> "level-1-2" different from just "level-1" ?
>
> Thanks,
>
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