OSPF DDR

From: Giveortake@xxxxxxx
Date: Tue Apr 02 2002 - 17:02:45 GMT-3


   
All,

Basically I have a bunch of routers/routes on one side and a bunch of
routers/routes on the other side of a BRI DDR link. I am trying to figure
out how to make the BRI routers dial only when interesting traffic (no OSPF
updates) is dictated across the link. Then after say 60 seconds of no
interesting traffic I want the link to go down but LEAVE THE OSPF tables
intact. I have a hunch the secret lies in the "IP OSPF DEMAND CIRCUIT"
command, but I havent been able to make the tables stay intact on BOTH
routers. What am I missing??

Thanks,

David

Sample Config:

R2

username R5 password cisco

interface BRI0
 ip address 150.50.9.2 255.255.255.192
 no ip directed-broadcast
 encapsulation ppp
 no ip route-cache
 ip ospf message-digest-key 1 md5 cisco
 ip ospf network point-to-point
 ip ospf demand-circuit
 no ip mroute-cache
 dialer idle-timeout 60
 dialer map ip 150.50.9.5 name R5 broadcast 5418545
 dialer-group 1
 isdn switch-type basic-ni
 isdn spid1 61678903240101
 isdn spid2 61678903250101
 no cdp enable
 ppp authentication chap

access-list 101 deny ospf any any
access-list 101 permit ip any any
dialer-list 1 protocol ip list 101

R5

username R2 password cisco

interface BRI0
 ip address 150.50.9.5 255.255.255.192
 no ip directed-broadcast
 encapsulation ppp
 ip ospf message-digest-key 1 md5 cisco
 ip ospf network point-to-point
 ip ospf demand-circuit
 dialer idle-timeout 60
 dialer map ip 150.50.9.2 name R2 broadcast 7890324
 dialer-group 1
 isdn switch-type basic-ni
 isdn spid1 61654185450101
 isdn spid2 61654185460101
 ppp authentication chap

access-list 101 deny ospf any any
access-list 101 permit ip any any
dialer-list 1 protocol ip list 101



This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:57:52 GMT-3