RE: ISDN flapping !!

From: Jeongwoo Park (jpark@xxxxxxxx)
Date: Thu May 23 2002 - 00:09:34 GMT-3


   
I put ip ospf demand-circuit on both end of isdn line.
Still no luck.

JP

-----Original Message-----
From: Treptow, Georg [mailto:gxtrept@qwest.com]
Sent: Wednesday, May 22, 2002 7:39 PM
To: 'Jeongwoo Park'; 'ccielab@groupstudy.com'
Subject: RE: ISDN flapping !!

Where is the OSPF demand circuit on the other end of the link? Also I
believe that you need to declare it on the dialer interfaces instead,
someone correct me if I am wrong.

Georg

-----Original Message-----
From: Jeongwoo Park [mailto:jpark@wams.com]
Sent: Wednesday, May 22, 2002 9:12 PM
To: 'ccielab@groupstudy.com'
Subject: ISDN flapping !!

Hi guys, Help !!
Look at this logs
00:19:35: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
00:19:35: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 8358662
00:19:36: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
00:20:03: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
00:20:03: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 8358662
00:20:04: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
00:20:31: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
00:20:31: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 8358662
00:20:31: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down

Yeah, definitely idsn line is flapping.
Here is my config
R3---------R5

R3;
Username R5 password 0 cisco

interface BRI0
no ip address
no ip directed-broadcast
encapsulation ppp
ip ospf interface-retry 0
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
!
interface Dialer1
ip address 170.100.2.6 255.255.255.0
no ip directed-broadcast
encapsulation ppp
ip ospf interface-retry 0
dialer in-band
dialer string 8358662
dialer string 8358664
ppp authentication chap
ppp multilink
!
dialer-list 1 protocol ip permit

R5;
Username R3 password 0 cisco

interface BRI0
no ip address
no ip directed-broadcast
encapsulation ppp
dialer pool-member 1
isdn switch-type basic-ni
isdn spid1 0835866201 8358662
isdn spid2 0835866401 8358664
ppp authentication chap
ppp multilink
!
interface Dialer1
ip address 170.100.2.1 255.255.255.0
no ip directed-broadcast
encapsulation ppp
dialer remote-name R3
dialer string 8358661
dialer string 8358663
dialer pool 1
dialer-group 1
ppp authentication chap
ppp multilink
!
dialer-list 1 ip protocol permit



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