From: Jim Brown (Jim.Brown@xxxxxxxxxxxxx)
Date: Fri Dec 21 2001 - 19:43:13 GMT-3
If memory serves me correctly, authentication is only for communication
between neighbors. This would rule out the necessity for authentication on
loopback interfaces.
-----Original Message-----
From: Annu [mailto:annu_roopa@yahoo.com]
Sent: Friday, December 21, 2001 1:35 PM
To: kenairs; ccielab@groupstudy.com
Subject: Re: ip ospf authentication
Hi,
I had tried authentication and it seems to work
without authentication on loopback interfaces.Of
course authentication must be with same password and
key-id(for MD5) for the same segment neighbors.Will
anyway try this again ..Good question.
Anyone else to add just in case i am wrong.HTH
Annu
--- kenairs <kenairs@hotmail.com> wrote:
> Hi ,
> I need to do authentication for let's say area 5.
> All routers in area 5 has each got a loopback
> address configure.
>
> Loopback0 is up, line protocol is up
> Internet Address 100.10.1.1/24, Area 0
> Process ID 1, Router ID 100.10.1.1, Network Type POINT_TO_POINT,
> Cost: 1
> Transmit Delay is 1 sec, State POINT_TO_POINT,
> Timer intervals configured, Hello 10, Dead 40,
> Wait 40, Retransmit 5
> Hello due in 00:00:00
> Neighbor Count is 0, Adjacent neighbor count is 0
> Suppress hello for 0 neighbor(s)
> Message digest authentication enabled
> No key configured, using default key id 0
>
> My question is since i have configure authentication
> for the entire area 5 ,
> do i need to assigned a key ( password ) to all the
> loopback address in all
> the routers ??
>
> I do think so. But i hope for some opinion.
> Tks
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