From: Jared Scrivener (jscrivener@ipexpert.com)
Date: Sat Feb 14 2009 - 15:56:46 ARST
Is that for a PPP link? I haven't looked at the OSPF database for this and
don't have a router available right now to test (so I could be wrong and
hence am speculating a bit) but PPP will normally send a /32 host route to
its neighbor.
That route would show as a connected route on the receiving device. If the
receiving device is advertising the /32 route into its OSPF database then
OSPF could be interpreting that /32 route (by contrast to the probable /30
that you also have for the point-to-point link) as a stub host entry.
The stub host network type is usually used for loopbacks, so it wouldn't
surprise me if the /32 host route also was considered a stub host.
Cheers,
Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
Technical Instructor - IPexpert, Inc.
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
Mailto: jscrivener@ipexpert.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Jordan
Sent: Saturday, 14 February 2009 7:08 AM
To: Cisco???
Subject: OSPF stub network type
Hi,guys,
I've been wondering that why it had been showed with the command show ip
ospf database x.x.x.x that came out a point-to-point interface and at the
same time also had a stub network type for the same interface. Book said a
stub network type is a network that had no neighbor. But a point-to-point
interface such as a serial interface do have a neighbor. Why is it just
discribed as a stub network type?
thanks in advacne.
Jordan.
Blogs and organic groups at http://www.ccie.net
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