From: Sreeram P Bandakavi (sbandaka@xxxxxxxxx)
Date: Fri Sep 29 2000 - 16:44:00 GMT-3
You cannot you ip ospf network point-to-multipoint on loopback.
The only valid option is point-to-point.
R1(config-if)#ip ospf network point-to-multipoint
OSPF: Invalid type for interface
Sreeram
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Stylen
Sent: Friday, September 29, 2000 12:38 PM
To: ccielab@groupstudy.com
Subject: Re: loop back interfaces and ospf
goto interfeace config mode for the loopback interface and do a 'ip ospf
network point-to-multipoint' then ospf will advertise ot with the correct
mask. I think this is available in 11.3 and higher, not sure of the version
exactly.
Richard Foltz, CCNP, CCNP-Voice, CCDP, MCSE+I, Network+, A+
Technical Solutions Consultant
Sprint ENS
-----Original Message-----
From: Connary, Julie Ann <jconnary@cisco.com>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Friday, September 29, 2000 2:17 PM
Subject: loop back interfaces and ospf
>Hi all,
>
>
>does anyone know how to get OSPF to advertise a loopback as a subnet vs a
>host route?
>
>If I have Router 1 with a loop back interface, ip address 172.16.220.1, and
>that loopback is in area 0.
>Router 2, also in area 0, has a host route in it's ip routing tables vs. a
>subnet route for 172.16.220.0
>
>
>Here's the setup
>
>
>172.16.220.1
>loopback 0 --------R1 --------------Serial ---------R2
> 172.16.1.0
>on router 1 and router 2:
>
>router ospf 1
>network 172.16.0.0 0.0.255.255 area 0
>
>
>
>I thought about using area 0 range 172.16.220.0 255.255.255.0
>but it did not make a difference.
>
>Thanks,
>
>Julie Ann
>
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