From: Gregg Malcolm (greggm@xxxxxxxxxxxxx)
Date: Sat Apr 06 2002 - 22:10:17 GMT-3
Just a guess, but is R6 137.20.224.6 in area 0 ? Maybe there's an LSA 5
bringing the circuit up ?
Can you post you OSPF config's for each as well.
Gregg
----- Original Message -----
From: "kym blair" <kymblair@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Saturday, April 06, 2002 4:28 PM
Subject: OSPF over BRI -- need more suggestions
> Still having a problem with ospf demand-circuit ... need help. I've
> searched the archives and tried all the suggestions to no avail.
>
> Of course, am using "no peer neighbor-route" and "ip ospf cost 9999", and
> only have "ip ospf demand-circuit" on one end (have tried it on each end).
> I want ospf to remain "interesting" so it will exchange routing tables
then
> let demand-circuit quiet the line.
>
> Using "ip ospf network point-to-point", ospf updates are continually
> multicast over the BRI, and using "ip ospf network point-to-multipoint",
> they are unicast; either way, they are interesting and keep the BRI up.
>
> My configs at the moment are:
>
> R6:
> interface BRI0/0
> bandwidth 64
> ip address 137.20.224.6 255.255.240.0
> encapsulation ppp
> no ip route-cache
> ip ospf network point-to-multipoint
> ip ospf cost 9999
> no ip mroute-cache
> no keepalive
> dialer map ip 137.20.224.5 broadcast 8358662
> dialer-group 6
> isdn switch-type basic-ni
> isdn spid1 0835866101 8358661
> no peer neighbor-route
> no cdp enable
> !
> dialer-list 6 protocol ip permit
>
>
> R5:
> interface BRI0
> bandwidth 64
> ip address 137.20.224.5 255.255.240.0
> encapsulation ppp
> no ip route-cache
> ip ospf network point-to-multipoint
> ip ospf cost 9999
> ip ospf demand-circuit
> no ip mroute-cache
> no keepalive
> dialer map ip 137.20.224.6 broadcast 8358661
> dialer-group 6
> isdn switch-type basic-ni
> isdn spid1 0835866201 8358662
> no peer neighbor-route
> !
> dialer-list 6 protocol ip permit
>
> WITH "IP OSPF NETWORK POINT-TO-MULTIPOINT":
> R6#debug dialer packet
> Dial on demand packets debugging is on
> 01:57:22: BR0/0 DDR: ip (s=137.20.224.6, d=137.20.224.5), 120 bytes,
> outgoing interesting (ip PERMIT)
> 01:57:27: BR0/0 DDR: ip (s=137.20.224.6, d=137.20.224.5), 120 bytes,
> outgoing interesting (ip PERMIT)
> 01:57:31: BR0/0 DDR: ip (s=137.20.224.6, d=137.20.224.5), 120 bytes,
> outgoing interesting (ip PERMIT)
> R5#debug dialer packet
> Dial on demand packets debugging is on
> 01:59:41: BR0 DDR: ip (s=137.20.224.5, d=137.20.224.6), 120 bytes,
outgoing
> interesting (ip PERMIT)
> 01:59:41: BR0 DDR: ip (s=137.20.224.5, d=137.20.224.6), 120 bytes,
outgoing
> interesting (ip PERMIT)
> 01:59:46: BR0 DDR: ip (s=137.20.224.5, d=137.20.224.6), 120 bytes,
outgoing
> interesting (ip PERMIT)
>
>
> WITH "IP OSPF NETWORK POINT-TO-POINT":
> 02:00:27: BR0/0 DDR: ip (s=137.20.224.6, d=224.0.0.5), 120 bytes, outgoing
> interesting (ip PERMIT)
> 02:00:27: BR0/0 DDR: sending broadcast to ip 137.20.224.5
> 02:00:31: BR0/0 DDR: ip (s=137.20.224.6, d=224.0.0.5), 120 bytes, outgoing
> interesting (ip PERMIT)
> 02:00:31: BR0/0 DDR: sending broadcast to ip 137.20.224.5
>
>
> OSPF Demand-Circuit has worked for me in the past, but not today. any
> ideas?
>
> Thanks, Kym
>
>
>
>
>
>
>
>
>
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