From: Paul Borghese (pborghese@xxxxxxxxxxxxxx)
Date: Wed Mar 06 2002 - 16:47:53 GMT-3
   
Hey I just found a white paper on the subject explaining the different
reasons why ospf demand-circuit may not work:
http://www.cisco.com/warp/public/104/dcprob.html
I know you fixed your problem, but the paper is pretty interesting anyway.
Take care,
Paul Borghese
----- Original Message -----
From: <James.Irwin@us.didata.com>
To: <kyeung@hkcix.com>; <ccielab@groupstudy.com>
Sent: Wednesday, March 06, 2002 12:11 PM
Subject: oops! RE: trouble with dialer profile + multilink PPP + demand-ci
rcuit
> First rule in changing things when troubleshooting:  Change only 1 thing
at
> a time!
>
> Not following that rule, of course, caused me to overlook a statement in
the
> configs - and that was the problem with the link flapping!
>
> I found it as soon as I posted a few minutes ago....everything works now,
> perfectly.
>
> ****************************
> My configs are as follows:
> ****************************
> Calling Router:
>
> interface BRI0
>  no ip address
>  encapsulation ppp
>  ip ospf network point-to-point
>  dialer pool-member 1
>  isdn switch-type basic-net3
>  no peer neighbor-route
>  no cdp enable
> !
> interface Dialer1
>  ip address 170.10.129.1 255.255.255.252
>  encapsulation ppp
>  ip ospf network point-to-point
>  ip ospf cost 9999
>  ip ospf demand-circuit
>  dialer remote-name SanDiego
>  dialer pool 1
>  dialer idle-timeout 45
>  dialer enable-timeout 5
>  dialer string 1111
>  dialer load-threshold 1 outbound
>  dialer max-call 4096
>  dialer-group 1
>  no peer neighbor-route
>  no cdp enable
>  ppp multilink
> !
> router eigrp 1
>  redistribute ospf 1
>  passive-interface BRI0
>  passive-interface Dialer1
>  passive-interface Serial0
>  network 170.10.0.0
>  default-metric 1544 100 100 254 1500
>  no auto-summary
> !
> router ospf 1
>  redistribute eigrp 1 metric 100 subnets route-map Deny_bri
>  passive-interface Serial1
>  network 170.10.30.2 0.0.0.0 area 0
>  network 170.10.129.1 0.0.0.0 area 0
>  network 170.20.0.1 0.0.0.0 area 0
> !
> ip classless
> no ip http server
> !
> access-list 5 deny   170.10.129.1
> access-list 5 permit any
> dialer-list 1 protocol ip permit
> route-map Deny_bri deny 10
>  match ip address 5
> !
> route-map Deny_bri permit 20
> !
> !
>
>
>
> Called Router:
>
> interface BRI0
>  no ip address
>  encapsulation ppp
>  ip ospf network non-broadcast
>  dialer pool-member 1
>  isdn switch-type basic-net3
>  no peer neighbor-route
> !
> interface Dialer1
>  ip address 170.10.129.2 255.255.255.252
>  encapsulation ppp
>  ip ospf network point-to-point
>  ip ospf cost 9999
>  ip ospf demand-circuit
>  dialer remote-name GreenBay
>  dialer pool 1
>  dialer string 2222
>  dialer load-threshold 1 outbound
>  dialer max-call 4096
>  dialer-group 1
>  no peer neighbor-route
>  ppp multilink
> !
> router ospf 1
>  network 170.10.29.1 0.0.0.0 area 0
>  network 170.10.49.2 0.0.0.0 area 1
>  network 170.10.129.2 0.0.0.0 area 0
>  network 170.30.0.1 0.0.0.0 area 0
> !
> ip classless
> no ip http server
> !
> dialer-list 1 protocol ip permit
>
>
>
> ********************************
>
> Remember to use loopback interfaces on all ospf routers.
>
> If having adjacency problems - check and double check your network
> statements under the ospf process.
>
> calling routers neighbors:
> sh ip ospf nei
>
> Neighbor ID     Pri   State           Dead Time   Address
Interface
> 170.30.0.1        1   FULL/  -           -        170.10.129.2    Dialer1
> 170.10.30.1       1   FULL/  -        00:00:35    170.10.30.1     Serial0
>
>
>
> called router neighbors:
> sh ip ospf nei
>
> Neighbor ID     Pri   State           Dead Time   Address
Interface
> 170.20.0.1        1   FULL/  -           -        170.10.129.1    Dialer1
> 170.10.30.1       1   FULL/  -        00:00:34    170.10.29.2     Serial0
> 170.10.49.1       1   FULL/  -        00:00:34    170.10.49.1     Serial1
>
> That's what it should look like using demand-circuit.
>
> *******************************************************
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