OSPF demand circuit

From: Alan CHAN Chi-lun (aclchan@xxxxxxxxx)
Date: Mon May 21 2001 - 23:16:13 GMT-3


   
Hi,

I am configuring a simple ospf demand-circuit with Dialer profile. I found
that the dead timer expired and removed the route from the routing table after
the isdn was brought down by idle-timeout.

To my understanding, dead timer does not expire on demand circuit. When I
used dialer profile the "debug ip ospf events" the following message
appeared.

The "show ip ospf da" showed the corresponding router lsa as (DNA).

Any comments appreciated.

Thanks.
Alan

01:38:04: OSPF: Force to kill nbr 172.22.1.1 on Dialer0
01:38:04: OSPF: 172.22.1.1 address 172.20.10.1 on Dialer0 is dead
01:38:04: %OSPF-5-ADJCHG: Process 1, Nbr 172.22.1.1 on Dialer0 from FULL to
DOWN
, Neighbor Down: Dead timer expired
01:38:04: OSPF: Nbr down force DC interface Dialer0 down

rta#sh run int bri0
!
interface BRI0
no ip address
encapsulation ppp
ip ospf demand-circuit
dialer pool-member 1
isdn switch-type basic-ni
isdn spid1 0835866101 8358661
isdn spid2 0835866301 8358663
ppp authentication chap
ppp multilink
end
!
interface Dialer0
ip address 172.20.10.2 255.255.255.0
encapsulation ppp
ip ospf demand-circuit
dialer pool 1
dialer remote-name rtb
dialer idle-timeout 60
dialer string 8358662
dialer load-threshold 1 outbound
dialer-group 1
pulse-time 0
ppp authentication chap
ppp multilink
end

rtb#sh run int bri0
!
interface BRI0
no ip address
encapsulation ppp
dialer pool-member 1
isdn switch-type basic-ni
isdn spid1 0835866201 8358662
isdn spid2 0835866401 8358664
ppp authentication chap
ppp multilink
end
!
interface Dialer0
ip address 172.20.10.1 255.255.255.0
encapsulation ppp
dialer pool 1
dialer idle-timeout 60
dialer load-threshold 1 outbound
dialer-group 1
pulse-time 0
ppp authentication chap
ppp multilink
end
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