From: Annu Roopa (annu_roopa@yahoo.com)
Date: Mon Mar 03 2003 - 13:28:59 GMT-3
Hunt,
How have ur routers been setup ? i mean L1/L2 or L1 etc ? As u have written a router within a area (if defined as L1 type under routers isis) will receive only L1 routes. A L1/L2 router will receive both L1/L2 routes and show it up in its IP table.
In ur config the routers RTC and RTA should be L1/L2 type so that they exhange the L1/L2 routes between each other.Others would be L1 type in their respective areas and they would see only L1 routes and a default route to L2 if i remember right.
When redistributing the metric-type sets the type as L1 or L2 (as u might know) and this setting will decide if the routes show up on ur L1 routers or not as L1/L2 would see it all.
Let us know. Hope that helps.
Annu
Hunt Lee <ciscoforme3@yahoo.com.au> wrote:Hi guys,
I did a lab scenario on ISIS. I got all the routes correctly on all of my routers.
However, some of my routes have got different L1 / L2 tags than as the model answer.
How do we determine whether a particular ISIS route will be L1 or L2?
- if the ISIS network is within the same ISIS area, then it is L1
- if it is from a different ISIS area, it is L2
So in the topology...
RTC---RTD (top two is in ISIS Area 1)
|
RTA---RTB (bottom four is in ISIS Area 2)
| \
RTE RTF
Or does it depends on ISIS Router types / redistribution commands...
Any help / ideas would be greatly appreciated.
Regards,
Hunt
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