From: John Neiberger (neiby@xxxxxxxxxx)
Date: Sat Apr 06 2002 - 21:46:35 GMT-3
Something is triggering an LSA update. Use 'debug ip ospf
monitor' to find out what is occurring.
HTH,
John
---- On Sun, 07 Apr 2002, kym blair (kymblair@hotmail.com)
wrote:
> 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
>
>
>
>
>
>
>
>
>
>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:57:58 GMT-3