From: Benny Chong (c_benny@hotmail.com)
Date: Fri Oct 25 2002 - 12:28:09 GMT-3
Hi all experts:
I have a problem while testing dialer watch with OSPF. Dialer watch
functionality is working, but OSPF neighbor dont'. I have 2 router, r4 and
r5. They are connected through FR and ISDN. When I shut the FR interface,
the ISDN is up because of the missing OSPF route I am monitoring. But on
both routers, I can't see the OSPF routes anymore, and when I 'show ip ospf
nei', one side (r4, the calling router), the neighbor with r5 is 'Loading',
but on r5 (the router being called), the neighbor state with r4 is 'FULL'.
Go through a few books, can't find the answer. So better ask you experts!
Below is the 'debug ip ospf adj', 'sh ip ospf nei' and the config of each
router.
Thanks a lot for your help.
Benny
********************************************************************
r5#
1d19h: OSPF: Bad request received from 201.201.4.1 on BRI0
1d19h: OSPF: Send DBD to 201.201.4.1 on BRI0 seq 0xA96 opt 0x42 flag 0x7 len
32
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0x2156 opt 0x42 flag 0x7
len 3
2 mtu 1500 state EXSTART
1d19h: OSPF: First DBD and we are not SLAVE
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0x2156 opt 0x42 flag 0x7
len 3
2 mtu 1500 state EXSTART
1d19h: OSPF: First DBD and we are not SLAVE
r5#
1d19h: OSPF: Retransmitting DBD to 201.201.4.1 on BRI0
1d19h: OSPF: Up DBD Retransmit cnt to 1 for 201.201.4.1 on BRI0
1d19h: OSPF: Send DBD to 201.201.4.1 on BRI0 seq 0xA96 opt 0x42 flag 0x7 len
32
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA96 opt 0x42 flag 0x2
len 72
mtu 1500 state EXSTART
1d19h: OSPF: NBR Negotiation Done. We are the MASTER
1d19h: OSPF: Send DBD to 201.201.4.1 on BRI0 seq 0xA97 opt 0x42 flag 0x3 len
92
1d19h: OSPF: Database request to 201.201.4.1
1d19h: OSPF: sent LS REQ packet to 150.50.9.2, length 12
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA96 opt 0x42 flag 0x2
len 72
mtu 1500 state EXCHANGE
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA97 opt 0x42 flag 0x0
len 32
mtu 1500 state EXCHANGE
1d19h: OSPF: Send DBD to 201.201.4.1 on BRI0 seq 0xA98 opt 0x42 flag 0x1 len
32
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA97 opt 0x42 flag 0x0
len 32
mtu 1500 state EXCHANGE
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA98 opt 0x42 flag 0x0
len 32
mtu 1500 state EXCHANGE
1d19h: OSPF: Exchange Done with 201.201.4.1 on BRI0
1d19h: OSPF: Synchronized with 201.201.4.1 on BRI0, state FULL
1d19h: %OSPF-5-ADJCHG: Process 1, Nbr 201.201.4.1 on BRI0 from LOADING to
FULL,
Loading Done
1d19h: OSPF: Rcv DBD from 201.201.4.1 on BRI0 seq 0xA98 opt 0x42 flag 0x0
len 32
mtu 1500 state FULL
r5#
r5#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
201.201.4.1 1 FULL/ - 00:00:36 150.50.9.2 BRI0
*******************************************************************
r4#
15:07:08: OSPF: Retransmitting request to 201.201.5.1 on BRI0
15:07:08: OSPF: Database request to 201.201.5.1
15:07:08: OSPF: sent LS REQ packet to 150.50.9.5, length 24
r4#
15:07:13: OSPF: Retransmitting request to 201.201.5.1 on BRI0
15:07:13: OSPF: Database request to 201.201.5.1
15:07:13: OSPF: sent LS REQ packet to 150.50.9.5, length 24
r4#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
201.201.5.1 1 LOADING/ - 00:00:39 150.50.9.5 BRI0
N/A 0 ATTEMPT/DROTHER - 150.50.100.5
Serial0.256
N/A 0 ATTEMPT/DROTHER - 150.50.100.6
Serial0.256
r4#
*****************************************************************
R4 Config:
interface Loopback0
ip address 201.201.4.1 255.255.255.0
!
interface Loopback1
ip address 200.0.0.2 255.255.255.255
!
interface Ethernet0
ip address 150.50.17.2 255.255.255.0
!
interface Serial0
no ip address
encapsulation frame-relay
shutdown
no fair-queue
frame-relay traffic-shaping
!
interface Serial0.4 point-to-point
ip address 150.50.24.2 255.255.255.0
frame-relay class R2_ts
frame-relay interface-dlci 403
!
interface Serial0.256 multipoint
ip address 150.50.100.2 255.255.255.224
frame-relay class R2_ts
frame-relay map ip 150.50.100.2 405
frame-relay map ip 150.50.100.5 405 broadcast
frame-relay map ip 150.50.100.6 406 broadcast
!
interface Serial1
no ip address
shutdown
!
interface BRI0
ip address 150.50.9.2 255.255.255.192
encapsulation ppp
dialer idle-timeout 60
dialer watch-disable 15
dialer map ip 150.50.7.0 name r5 broadcast 2128882222
dialer map ip 150.50.9.5 name r5 broadcast 2128882222
dialer load-threshold 1 outbound
dialer watch-group 1
dialer-group 1
isdn switch-type basic-net3
isdn spid1 21288811111111
isdn spid2 21288811121111
ppp authentication chap
ppp multilink
!
router ospf 1
log-adjacency-changes
network 150.50.9.0 0.0.0.63 area 0
network 150.50.17.0 0.0.0.255 area 3
network 150.50.24.0 0.0.0.255 area 1
network 150.50.100.0 0.0.0.31 area 0
network 200.0.0.2 0.0.0.0 area 0
neighbor 150.50.100.5
neighbor 150.50.100.6
!
ip kerberos source-interface any
ip classless
no ip http server
!
!
map-class frame-relay R2_ts
frame-relay cir 128000
frame-relay bc 16000
frame-relay bc 16000
frame-relay mincir 32000
frame-relay adaptive-shaping becn
access-list 101 deny ospf any any
access-list 101 permit ip any any
dialer watch-list 1 ip 150.50.7.0 255.255.255.128
dialer-list 1 protocol ip list 101
*****************************************************************
R5 Config:
interface Loopback0
ip address 201.201.5.1 255.255.255.0
!
interface Loopback1
ip address 200.0.0.5 255.255.255.255
!
interface Ethernet0
ip address 150.50.7.5 255.255.255.128
!
interface Serial0
ip address 150.50.100.5 255.255.255.224
encapsulation frame-relay
ip ospf priority 0
no fair-queue
frame-relay de-group 1 504
frame-relay map ip 150.50.100.2 504 broadcast
frame-relay map ip 150.50.100.5 504
frame-relay map ip 150.50.100.6 504 broadcast
!
interface Serial1
no ip address
shutdown
!
interface BRI0
ip address 150.50.9.5 255.255.255.192
encapsulation ppp
dialer idle-timeout 60
dialer load-threshold 1 outbound
dialer-group 1
isdn switch-type basic-net3
isdn spid1 21288822221111
isdn spid2 21288822231111
ppp authentication chap
ppp multilink
!
router ospf 1
log-adjacency-changes
network 150.50.7.0 0.0.0.127 area 0
network 150.50.9.0 0.0.0.63 area 0
network 150.50.100.0 0.0.0.31 area 0
network 200.0.0.5 0.0.0.0 area 0
!
ip kerberos source-interface any
ip classless
no ip http server
!
dialer-list 1 protocol ip permit
******************************************************************
*********************************************************************
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