Re: subnet mask for ospf loopback interface

From: Banlan Chen (banlan.chen@lycos.com)
Date: Thu Sep 12 2002 - 16:00:27 GMT-3

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Hi James,

According to Doyle I P524, OSPF treats a loopback int as a stub host, so you can't generate a normal route.

Hope this helps
Banlan

--
On Thu, 12 Sep 2002 13:48:43  
 James wrote:
>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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