From: Brad (bjohnson@xxxxxxxxxxxxxx)
Date: Thu Apr 20 2000 - 00:48:17 GMT-3
mpoa uses lane as the transport and nhrp as the address resolution
mechanism. It reduces the sar process for atm. If you have three routers
atm connected. One is the LES/BUS/LECS, the other two are lec. Instead of
building svc's via lane to the les/bus then eventually the data direct vc.
It then builds a direct svc via nsap and eliminates the extra hops to the
les/bus. Cisco has great documentation for this, under ls1010, 8500 config
guides.
IS-IS Issues
I have had the same problem. The only way I could get the isis/ospf route
to be inserted into ospf is by using a route-map under redistribution.
match the interface that is isis. I am not sure why this happens. I think
that isis sees the route as a locally connected route, and as a routing loop
prevention it does not allow the export of that route. This has to do with
the 2 separate link state databases. (level-1-2)
enjoy
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Joe Martin
Sent: Wednesday, April 19, 2000 9:21 PM
To: Ron.Fuller@3x.com; ccielab@groupstudy.com
Subject: Re: IS-IS and OSPF weirdness
In a mini-class I took at Interop a couple of years ago with Fore Systems,
we did some testing of voice/video and data across a LANE network with and
without MPOA. A clear example of its benefit was that a file transfer that
took 61 seconds without MPOA took 5 seconds with it turned on.
JOE
----- Original Message -----
From: <Ron.Fuller@3x.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, April 19, 2000 3:42 PM
Subject: IS-IS and OSPF weirdness
> I am having a situation where I cannot get directly connected IS-IS
> networks redistributed into OSPF properly. They don't show up in the OSPF
> database at all. I tried doing a redistribute connected under both router
> isis and router ospf to no avail. Is this "normal" behavior for IS-IS?
> Finding very good docs on this protocol is few and far between.
>
> Any suggestions?
>
> BTW: I never did get my LS1010 switch to advertise the LECS via ILMI, but
> still was able to get LANE to work. Many thanks to the people that
> responded. I learned a lot about LANE yesterday!
>
> Here's another question.....why would I want to use MPOA vs. LANE? It
> looks like MPOA requires LANE to work, so why bother? Maybe this is
> obvoius, but I really haven't dug into MPOA yet.
>
> Ron Fuller, CCDP, CCNP-ATM, CCNP-Security, MCNE, MCP
> 3X Corporation
> rfuller@3x.com
>
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