Touble ospf md5 authentication

Vitaliy Kolodinsky kolodinsky at telecom.by
Fri Mar 19 15:16:27 CET 2010 

Dear, Ondrej Zajicek.

Вы писали 19 марта 2010 г., 16:05:04:

> On Fri, Mar 19, 2010 at 01:57:36PM +0200, Vitaliy Kolodinsky wrote:
>> Dear, bird-users at atrey.karlin.mff.cuni.cz.
>> 
>> Who has a working BIRD 1.2.1 ospf md5 authentication and Cisco?
>> 
>> 
>> ---Log File------
>> Mar 16 17:34:52 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124)
>> Mar 16 17:34:52 vulture2 bird: Bad OSPF packet from 93.125.5.141 - authentification failed

> That is strange, could you send me an output of tcpdump on that packets? (tcpdump -s 0 -x)


16:06:51.521476 IP 93.125.5.138 > 224.0.0.5: OSPFv2, Hello, length: 108
        0x0000:  45c0 0090 af0c 0000 0159 c63c 5d7d 058a
        0x0010:  e000 0005 0201 0048 5d7d 058a 0000 0002
        0x0020:  0000 0002 0000 0510 4ba1 5a10 ffff ffe0
        0x0030:  000a 1200 0000 0028 5d7d 0587 0000 0000
        0x0040:  5d7d 0506 5d7d 0507 5d7d 0586 5d7d 0588
        0x0050:  5d7d 058b 5d7d 058c d5b8 e114 6236 9632
        0x0060:  077c dcfa 7ea2 cac8 d7c3 af5c 0000 0009
        0x0070:  0001 0004 0000 0001 0002 0014 4ba1 5a10
        0x0080:  6726 c4b0 26dc 0582 874c 7296 98eb ce77
16:06:53.525031 IP 93.125.5.133 > 224.0.0.5: OSPFv2, Hello, length: 108
        0x0000:  45c0 0090 495f 0000 0159 2bef 5d7d 0585
        0x0010:  e000 0005 0201 0048 5d7d 0506 0000 0002
        0x0020:  0000 0002 0000 0510 4ba2 cd13 ffff ffe0
        0x0030:  000a 1200 0000 0028 5d7d 0587 0000 0000
        0x0040:  5d7d 0507 5d7d 0586 5d7d 0588 5d7d 058a
        0x0050:  5d7d 058b 5d7d 058c d5b8 e114 c33e e87d
        0x0060:  19f8 6dd2 3892 e4b8 bf9b 70d7 0000 0009
        0x0070:  0001 0004 0000 0001 0002 0014 4ba2 cd13
        0x0080:  0f41 ed82 0ae3 c693 6428 af08 8a47 3648
16:06:53.896032 IP 93.125.5.139 > 224.0.0.5: OSPFv2, Hello, length: 108
        0x0000:  45c0 0090 3e6e 0000 0159 36da 5d7d 058b
        0x0010:  e000 0005 0201 0048 5d7d 058b 0000 0002
        0x0020:  0000 0002 0000 0510 4ba2 61c8 ffff ffe0
        0x0030:  000a 1200 0000 0028 5d7d 0587 0000 0000
        0x0040:  5d7d 0506 5d7d 0507 5d7d 0586 5d7d 0588
        0x0050:  5d7d 058a 5d7d 058c d5b8 e114 0c7d 0dac
        0x0060:  b3fd fd3d 9916 d949 8efd a327 0000 0009
        0x0070:  0001 0004 0000 0001 0002 0014 4ba2 61c8
        0x0080:  b599 46e0 d304 2213 c442 5821 8e1b c562
16:06:54.470461 IP 93.125.5.135 > 224.0.0.5: OSPFv2, LS-Update, length: 64
        0x0000:  45c0 0064 f0b1 0000 0159 84c6 5d7d 0587
        0x0010:  e000 0005 0204 0040 d5b8 e114 0000 0002
        0x0020:  0000 0002 0000 0510 4bac fa49 0000 0001
        0x0030:  0e10 2005 0a80 0284 5d7d 0588 8000 0002
        0x0040:  4377 0024 ffff ffff 00ff ffff 0000 0000
        0x0050:  0000 0000 27a9 7d32 4b03 1f70 625c b1ab
        0x0060:  1311 6dc0
16:06:54.471771 IP 93.125.5.134 > 224.0.0.6: OSPFv2, LS-Ack, length: 44
        0x0000:  45c0 0050 ba4c 0000 0159 bb3f 5d7d 0586
        0x0010:  e000 0006 0205 002c 5d7d 0586 0000 0002
        0x0020:  0000 0002 0000 0510 0005 5084 0e10 2005
        0x0030:  0a80 0284 5d7d 0588 8000 0002 4377 0024
        0x0040:  fe2a f44a a621 7612 cb02 dfb0 764c 7c4b
16:06:54.543948 IP 93.125.5.135 > 224.0.0.5: OSPFv2, LS-Update, length: 64
        0x0000:  45c0 0064 f0b2 0000 0159 84c5 5d7d 0587
        0x0010:  e000 0005 0204 0040 d5b8 e114 0000 0002
        0x0020:  0000 0002 0000 0510 4bac fa4a 0000 0001
        0x0030:  0e10 2005 0a80 013b 5d7d 0588 8000 0002
        0x0040:  2bd9 0024 ffff ffff 00ff ffff 0000 0000
        0x0050:  0000 0000 bfcf ad0e ec4a 8105 a36a c4b4
        0x0060:  8e0d 1c1c
16:06:54.712154 IP 93.125.5.141 > 224.0.0.5: OSPFv2, Hello, length: 108
        0x0000:  45c0 0090 9e27 0000 0159 d71e 5d7d 058d
        0x0010:  e000 0005 0201 0048 5d7d 0507 0000 0002
        0x0020:  0000 0002 0000 0510 4ba3 661a ffff ffe0
        0x0030:  000a 1200 0000 0028 5d7d 0587 0000 0000
        0x0040:  5d7d 0506 5d7d 0586 5d7d 0588 5d7d 058a
        0x0050:  5d7d 058b 5d7d 058c d5b8 e114 df1f 8fc6
        0x0060:  07e8 35a1 7edb 9ec7 6346 7041 0000 0009
        0x0070:  0001 0004 0000 0001 0002 0014 4ba3 661a
        0x0080:  2514 486c c8c7 7831 b6db bfa6 5196 833a

Mar 19 16:06:51 vulture2 bird: MyOSPF: Running ospf_age cleanup
Mar 19 16:06:51 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124)
Mar 19 16:06:51 vulture2 bird: Bad OSPF packet from 93.125.5.138 - authentification failed
Mar 19 16:06:53 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124)
Mar 19 16:06:53 vulture2 bird: Bad OSPF packet from 93.125.5.133 - authentification failed
Mar 19 16:06:53 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124)
Mar 19 16:06:53 vulture2 bird: Bad OSPF packet from 93.125.5.139 - authentification failed
Mar 19 16:06:54 vulture2 bird: MyOSPF: LSUPD packet received from 93.125.5.135 via vlan200
Mar 19 16:06:54 vulture2 bird: MyOSPF:     length   64
Mar 19 16:06:54 vulture2 bird: MyOSPF:     router   213.184.225.20
Mar 19 16:06:54 vulture2 bird: MyOSPF:     LSA      Type: 0005, Id: 10.128.2.132, Rt: 93.125.5.136, Age: 3600, Seq: 80000002, Sum: 4377
Mar 19 16:06:54 vulture2 bird: MyOSPF: Scheduling routing table calculation
Mar 19 16:06:54 vulture2 bird: MyOSPF: Going to remove LSA Type: 0005, Id: 10.128.2.132, Rt: 93.125.5.136, Age: 3600, Seqno: 0x80000002
Mar 19 16:06:54 vulture2 bird: MyOSPF: Starting routing table calculation
Mar 19 16:06:54 vulture2 bird: MyOSPF: Starting routing table calculation for area 0.0.0.2
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.6, Rt: 93.125.5.6)
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.136, Rt: 93.125.5.136)
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.138, Rt: 93.125.5.138)
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.139, Rt: 93.125.5.139)
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.140, Rt: 93.125.5.140)
Mar 19 16:06:54 vulture2 bird: Cannot find next hop for LSA (Type: 0001, Id: 93.125.5.7, Rt: 93.125.5.7)
Mar 19 16:06:54 vulture2 bird: MyOSPF: Starting routing table calculation for inter-area (area 0.0.0.2)
Mar 19 16:06:54 vulture2 bird: MyOSPF: Starting routing table calculation for ext routes
Mar 19 16:06:54 vulture2 bird: MyOSPF: Starting routing table synchronisation
Mar 19 16:06:54 vulture2 bird: MyOSPF > ignored 93.125.5.128/27 dev vlan200
Mar 19 16:06:54 vulture2 bird: MyOSPF: LSACK packet sent via vlan200
Mar 19 16:06:54 vulture2 bird: MyOSPF:     length   44
Mar 19 16:06:54 vulture2 bird: MyOSPF:     router   93.125.5.134
Mar 19 16:06:54 vulture2 bird: MyOSPF:     LSA      Type: 0005, Id: 10.128.2.132, Rt: 93.125.5.136, Age: 3600, Seq: 80000002, Sum: 4377
Mar 19 16:06:54 vulture2 bird: MyOSPF: LSUPD packet received from 93.125.5.135 via vlan200
Mar 19 16:06:54 vulture2 bird: MyOSPF:     length   64
Mar 19 16:06:54 vulture2 bird: MyOSPF:     router   213.184.225.20
Mar 19 16:06:54 vulture2 bird: MyOSPF:     LSA      Type: 0005, Id: 10.128.1.59, Rt: 93.125.5.136, Age: 3600, Seq: 80000002, Sum: 2bd9
Mar 19 16:06:54 vulture2 bird: MyOSPF: Scheduling routing table calculation
Mar 19 16:06:54 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124)
Mar 19 16:06:54 vulture2 bird: Bad OSPF packet from 93.125.5.141 - authentification failed




--

Best regards,
Vitaliy
Kolodinsky
BYVK-RIPE
ISP Atlant Telecom
kolodinsky at telecom.by

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