From: Joe Chang (changjoe@earthlink.net)
Date: Wed Nov 12 2003 - 06:58:32 GMT-3
Thank you Peter. Any idea why ISIS alone has this limitation?
----- Original Message -----
From: "CXP Peter" <peter@cyscoexpert.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, November 11, 2003 10:49 PM
Subject: Re: ISIS to OSPF redistribution
> Directly connected routes do not get redistributed into other protocols if
> they sit in ISIS and you perform "redistribute isis". You have to
separately
> "redistribute connected" into such protocol to get all the routes going.
>
> _______________
> Peter
> #7247 (R&S, Security, SP)
> CyscoExpert Corp.
> 4433 W. Touhy Ave. Suite 410
> Lincolnwood, IL 60712
> ph (847) 674-3392
> fax (847) 674-2625
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>
> ----- Original Message -----
> From: "Joe Chang" <changjoe@earthlink.net>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, November 12, 2003 2:58 AM
> Subject: ISIS to OSPF redistribution
>
>
> > This issue was raised here a few years back in the archives, but wasn't
> > resolved.
> >
> > R1 redistributes ISIS into OSPF:
> >
> > router ospf 1
> > redistribute isis level-1-2 subnets
> >
> > ISIS is configured on the local router as such:
> >
> > router isis
> > net 49.0001.0000.0000.0001.00
> > passive-interface lo0
> >
> > int s1/0.1
> > ip router isis
> > isis circuit-type level-1-2
> >
> > ISIS puts these two interfaces into its level-1 database. It also
receives
> a
> > route from an ISIS neighbor, R2. (I can post up the ISIS database if any
> wants
> > to see it).
> >
> > The only ISIS route that finds its way into OSPF is the route from R2.
The
> > directly connected ISIS routes (the serial subinterface and loopback) do
> not
> > make into the OSPF external route table. In the archive, it seems to
been
> have
> > determined that OSPF would not import routes if those same routes were
> also
> > directly connected. However I substitued ISIS with EIGRP and the routes
> were
> > successfully introduced into OSPF. RIP worked the same way ( I did not
> > redistribute connected into OSPF).
> >
> > I also tried fiddling around with the isis circuit types, making the
> serial
> > subinterface a level-2 only circuit, as well as the ISIS routing as
> level-2
> > only, with no results.
> >
> > Am I missing something embarrassingly obvious? Help !
> >
> > Thanks,
> > Joe
> >
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