From: Brian Hescock (bhescock@xxxxxxxxx)
Date: Fri Aug 25 2000 - 11:25:10 GMT-3
The network you assign to a loopback interface will always be advertised
as a /32 unless you change the ospf network type.
conf t
int loop 0
ip ospf network point-to-point
Someone pointed out the other day when I first mentioned this that the
command isn't available in some of the older code.
Brian
On Fri, 25 Aug 2000 smaljure@cibernetworks.com wrote:
> One possible way to do this is to define the loopback interface in a
> separate area and summarize the /32 route from this area in to area 0 as a
> /24 (say) using the "area x range ...." command.
> Sanjay
>
> > -----Original Message-----
> > From: Simon Baxter [mailto:Simon.Baxter@au.logical.com]
> > Sent: Friday, August 25, 2000 9:51 AM
> > To: CCIE Group Study (E-mail)
> > Subject: 2nd attempt at a question!!
> >
> > I'm doing a test lab which has asked me if there's any way to advertise
> > routes to loopback interfaces as anything but /32 routes.
> >
> > I can't see any way around this :
> >
> > Link connected to: a Stub Network
> > (Link ID) Network/subnet number: 130.130.33.1
> > (Link Data) Network Mask: 255.255.255.255
> > Number of TOS metrics: 0
> > TOS 0 Metrics: 1
> >
> > R4#sh ip os int lo0
> > Loopback0 is up, line protocol is up
> > Internet Address 130.130.33.1/24, Area 0.0.0.0
> > Process ID 10, Router ID 130.130.33.1, Network Type LOOPBACK, Cost: 1
> > Loopback interface is treated as a stub Host
> > R4#
> >
> >
> > No matter what I do, it always stays as "Loopback interface is treated as
> > a stub Host"
> >
> >
> > Is this a trick question???
> >
> > I'm losing WAY too much sleep over it..
> >
> >
> > Simon
>
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