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OSPF adjacency is not established.

oldvoffka
Level 1
Level 1

OSPF adjacency is not established. HELP.

router1(X)async1/10----[modem1]------leased line------[modem2]----Serial0/2/2(X)router2

router1#sh ver

Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(8a), RELEASE SOFTWARE (fc2)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2006 by Cisco Systems, Inc.

Compiled Wed 19-Jul-06 23:21 by prod_rel_team

ROM: System Bootstrap, Version 12.4(1r) [hqluong 1r], RELEASE SOFTWARE (fc1)

router1 uptime is 13 weeks, 4 days, 17 hours, 29 minutes

System returned to ROM by power-on

System image file is "flash:c2800nm-ipbase-mz.124-8a.bin"

Cisco 2811 (revision 53.51) with 251904K/10240K bytes of memory.

Processor board ID FCZ10407230

2 FastEthernet interfaces

5 Serial interfaces

16 terminal lines

5 Channelized E1/PRI ports

DRAM configuration is 64 bits wide with parity enabled.

239K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102

router1#

router1#sh run

...

!

interface Async1/10

description Link to router2

bandwidth 20

ip address 10.5.253.117 255.255.255.252

encapsulation ppp

async mode dedicated

!

...

!

router ospf 200

log-adjacency-changes

network 10.5.253.116 0.0.0.3 area 200

!

...

line 1/10

modem InOut

stopbits 1

speed 57600

flowcontrol hardware

...

router1#

router1#sh ip ospf int as1/10

Async1/10 is up, line protocol is up

Internet Address 10.5.253.117/30, Area 200

Process ID 200, Router ID 10.105.254.194, Network Type POINT_TO_POINT, Cost: 5000

Transmit Delay is 1 sec, State POINT_TO_POINT,

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

oob-resync timeout 40

Hello due in 00:00:05

Supports Link-local Signaling (LLS)

Index 1/1, flood queue length 0

Next 0x0(0)/0x0(0)

Last flood scan length is 0, maximum is 0

Last flood scan time is 0 msec, maximum is 0 msec

Neighbor Count is 0, Adjacent neighbor count is 0

Suppress hello for 0 neighbor(s)

router1#sh int as1/10

Async1/10 is up, line protocol is up

Hardware is CD2430 in async mode

Description: Link to router2

Internet address is 10.5.253.117/30

MTU 1500 bytes, BW 20 Kbit, DLY 100000 usec,

reliability 255/255, txload 1/255, rxload 12/255

Encapsulation PPP, LCP Open

Open: IPCP, loopback not set

Keepalive not set

DTR is pulsed for 5 seconds on reset

Last input 00:00:00, output 00:00:00, output hang never

Last clearing of "show interface" counters 2d20h

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/2/16 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 15 kilobits/sec

5 minute input rate 1000 bits/sec, 3 packets/sec

5 minute output rate 0 bits/sec, 2 packets/sec

669 packets input, 47196 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

2525 packets output, 101721 bytes, 0 underruns

0 output errors, 0 collisions, 199 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

router1#

________________________________________________________________________________ ________

router2#sh run

...

!

interface Serial0/2/2

physical-layer async

bandwidth 20

ip address 10.5.253.118 255.255.255.252

ip load-sharing per-packet

encapsulation ppp

async mode dedicated

!

...

!

router ospf 200

log-adjacency-changes

network 10.5.253.116 0.0.0.3 area 200

!

router2#sh int s0/2/2

Serial0/2/2 is up, line protocol is up

Hardware is HWIC-Serial

Description: Link to router1

Internet address is 10.5.253.118/30

MTU 1500 bytes, BW 20 Kbit/sec, DLY 100000 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation PPP, LCP Open

Open: IPCP, loopback not set

Keepalive not set

DTR is pulsed for 5 seconds on reset

Last input 00:02:32, output 00:02:32, output hang never

Last clearing of "show interface" counters 2d01h

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/3/16 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 15 kilobits/sec

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

244 packets input, 31242 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

303 packets output, 12711 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 unknown protocol drops

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

DCD=up DSR=up DTR=down RTS=down CTS=up

router2#sh ip ospf interface s0/2/2

Serial0/2/2 is up, line protocol is up

Internet Address 10.5.253.118/30, Area 200

Process ID 200, Router ID 10.5.253.118, Network Type POINT_TO_POINT, Cost: 5000

Transmit Delay is 1 sec, State POINT_TO_POINT

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

oob-resync timeout 40

No Hellos (Passive interface)

Supports Link-local Signaling (LLS)

Cisco NSF helper support enabled

IETF NSF helper support enabled

Index 1/1, flood queue length 0

Next 0x0(0)/0x0(0)

Last flood scan length is 0, maximum is 0

Last flood scan time is 0 msec, maximum is 0 msec

Neighbor Count is 0, Adjacent neighbor count is 0

Suppress hello for 0 neighbor(s)

router2#sh ver

Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(15)T10, RELEASE SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2009 by Cisco Systems, Inc.

Compiled Mon 14-Sep-09 14:01 by prod_rel_team

ROM: System Bootstrap, Version 12.4(13r)T11, RELEASE SOFTWARE (fc1)

router2 uptime is 2 days, 19 hours, 16 minutes

System returned to ROM by power-on

System image file is "flash:c2800nm-ipbase-mz.124-15.T10.bin"

Cisco 2811 (revision 53.50) with 249856K/12288K bytes of memory.

Processor board ID FHK1346F2R6

2 FastEthernet interfaces

4 Low-speed serial(sync/async) interfaces

DRAM configuration is 64 bits wide with parity enabled.

239K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102

router2#

1 Accepted Solution

Accepted Solutions

Thanks Ryhor,

Did you try configuring command "async default routing" on both sides. I think that is needed on AS for OSPF to work.

Nik

HTH,
Niko

View solution in original post

6 Replies 6

nkarpysh
Cisco Employee
Cisco Employee

To Start with:

- can you ping successfully between those serial interfaces?

- Does your provider allow multicast on the leased line?

- you can "debug ip ospf" to see what is going on.

Nik

HTH,
Niko

1)

router2#ping 10.5.253.117

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.5.253.117, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 176/206/227 ms
router2#

2)

leased line - it is only 4-wired leased line. Modems  conected at 19200 bits/s

router2#ping 224.0.0.5

Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:

Reply to request 0 from 10.5.253.117, 404 ms

router2#

Thanks Ryhor,

Did you try configuring command "async default routing" on both sides. I think that is needed on AS for OSPF to work.

Nik

HTH,
Niko

oh i am sorry, there was a mistake! there is on on side (router1 async interface):Hello due in 00:00:05

but on other (router2  serial interface in async mode) No Hellos (Passive interface)

But on router1  on other async interface OSPF works.

Oh!!! It's great? after configuring command "async default routing" on both serial and async interfaces, OSPF adjacency  established

router2#sh ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

10.105.254.194         0   FULL/  -        00:00:32    10.5.253.117    Serial0/2/2

router2#

router1#sh ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

10.5.2.174        0   FULL/  -        00:00:35    10.5.253.118    Async1/10

router1#

Thank You, Nikolay Karpyshev!

Glad it is wo0rking now. You can mark my answer as a correct one to close this thread and make it usefull for others later.

Cheers,

Nik

HTH,
Niko
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