Re: ISDN flapping

From: Hossam Mahmoud (sam6626@yahoo.com)
Date: Sat Jun 07 2003 - 19:12:35 GMT-3


Ram,
Can u pls provide the whole configurations for both routers.
 
And r u sure it is the hellos that brings the link up??
 
SAM
Thanks
Ram Shummoogum <rshummoo@ca.ibm.com> wrote:
My isdn is flapping due to the hello from R5. I do not understand why
bri0/0 will send hello as shown below even with demand-circuit configured.
Also, the state is howing down.
I cleared the ospf process and even rebooted.

Thanks for helping.

R5:
interface BRI0/0
ip address 140.10.25.5 255.255.255.0
encapsulation ppp
ip ospf demand-circuit
dialer map ip 140.10.25.2 name R2 broadcast 99891504
dialer-group 1
isdn switch-type basic-ni
isdn spid1 514989159600 9891596
isdn spid2 514989198300 9891983
no peer neighbor-route
no cdp enable
ppp callback request
ppp authentication chap

sh ip ospf int

BRI0/0 is up, line protocol is up (spoofing)
Internet Address 140.10.25.5/24, Area 0
Process ID 1, Router ID 100.0.0.5, Network Type POINT_TO_POINT, Cost:
1562
Configured as demand circuit.
Run as demand circuit.
DoNotAge LSA allowed.
Transmit Delay is 1 sec, State DOWN,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:14 (using PollInterval of 40)

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