From: Brian Dennis (brian@5g.net)
Date: Thu Sep 12 2002 - 15:46:53 GMT-3
Add this under your loopback interface: "ip ospf network
point-to-point". As per RFC 2328 OSPF advertises all loopback interfaces
as /32's.
Also you meant "net 10.1.1.0 0.0.0.255 area 0", right?
Brian Dennis, CCIE #2210 (R&S/ISP Dial)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
James
Sent: Thursday, September 12, 2002 10:49 AM
To: ccielab@groupstudy.com
Subject: subnet mask for ospf loopback interface
hi, everyone
when impletminting the NAT, "Practical study" said i could creat a
loopback
interface as anchor to make sure the outside local address reachable.
my config is as follow:
inter loopback 1
ip addr 10.1.1.1 255.255.255.0
router ospf 1
net 10.0.0.0 0.0.0.255 area 0
i try to use loopback interface to represent the address range between
10.1.1.2 through 10.1.1.254.
but when i issue " show ip route", only 10.1.1.1/32 appeared, so that
mean
10.1.1.x is still unreachalbe.
so could i generate a route about loopback interface with /24 mask if
that
router is not a ABR and ASBR (no static route is allowed)
thanks
james
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