OSPF & cost
Ondrej Zajicek
santiago at crfreenet.org
Wed Jan 18 17:10:52 CET 2012
On Wed, Jan 18, 2012 at 06:23:59PM +0400, Peter Andreev wrote:
> > All works good and I see lo1, lo3 addresses on neighbours but with
> > path-costs equal to 0. What should I do to fix this problem?
>
> Could you send the output of 'show ospf state' command?
> network [5]192.168.1.32/27 metric 10
> stubnet [6]10.10.10.62/32 metric 0
> stubnet [7]10.10.11.15/32 metric 0
It is expected, /32 stubs from interface addresses are always announced
with cost 0, because they are local IPs. The idea is that 'cost' is a
cost of traversing a network (i.e. if you have an eth1 stub network of
cost 10, it is a cost from the router to other hosts on that network).
You can use 'stubnet' option to specify /32 stubs with arbitrary metric
regardless of any interface.
--
Elen sila lumenn' omentielvo
Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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