RE: loop back interfaces and ospf

From: Connary, Julie Ann (jconnary@xxxxxxxxx)
Date: Fri Sep 29 2000 - 16:50:02 GMT-3


   
Yes, that is true. I tried on an 11.3(11a) and a11.2(17).

Thanks,

That solves my "problem" in trying to do some labs with minimum equipment.

At 12:36 PM 9/29/2000 -0700, Sreeram P Bandakavi wrote:

>Whats your IOS version. I think it works only with IOS versions 11.3 and
>above..
>Sreeram
>
>
> -----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Connary, Julie Ann
>Sent: Friday, September 29, 2000 12:30 PM
>To: Kevin M. Woods
>Cc: ccielab@groupstudy.com
>Subject: Re: loop back interfaces and ospf
>
>Kevin,
>
>so the answer for the lab according to the link you gave me is to use ip
>ospf network point-to-point or put the loopback
>interface into another area and use the area range command to summarize.
>Because of the following, I am assuming
>only the latter (different area and a summary address) really works.
>
>but when I go under the loopback interface and issue the command
>ip ospf network ?
>
>I get the following - no choice for point-to-point and point-to-multipoint
>does not work.
>
>1#config t
>Enter configuration commands, one per line. End with CNTL/Z.
>r1(config)#int loop 1
>r1(config-if)#ip ospf network ?
> broadcast Specify OSPF Type of Network
> non-broadcast Specify OSPF Type of Network
> point-to-multipoint Specify OSPF Type of Network
>
>r1(config-if)#ip ospf network point-to-multipoint
>OSPF: Invalid type for interface
>
>
>If I look at the ip ospf interface I see:
>
>SYS-5-CONFIG_I: Configured from console by console ospf int loop 1
>Loopback1 is up, line protocol is up
> Internet Address 172.16.220.1/24, Area 0
> Process ID 1, Router ID 172.16.220.1, Network Type LOOPBACK, Cost: 1
> Loopback interface is treated as a stub Host
>
>
>Julie Ann
>
>
>At 12:06 PM 9/29/2000 -0700, you wrote:
> >This thread should help explain:
> >
> > http://www.groupstudy.com/archives/ccielab/200005/msg00667.html
> >
> >Kevin
> >
> >// does anyone know how to get OSPF to advertise a loopback as a subnet vs
>a
> >// host route?
>



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