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Problem BSC -> BSTUN 2911

Tomas M
Level 1
Level 1

Hello, 

I can't get BSTUN to work on 2911 routers and a  HWIC-2T card, but no problem on my 2811 routers and a WIC-2T card

But i can with my routers 2811, i think  i identified the problem, maybe it’s on the HWIC-2T serial card of the 2911 router.

My configuration is identical on the routers 2811 and 2911

 

Routeur: R01: 2811

bstun peer-name 10.10.10.1   

bstun protocol-group 1 bsc
!

interface Serial0/2/0

 description test

 no ip address

 encapsulation bstun

 full-duplex

 no keepalive

 clock rate 19200

 bstun group 1

 bsc generic

 bstun route all tcp 10.10.20.1

!

Routeur R02: 2811

bstun peer-name 10.10.20.1   

bstun protocol-group 1 bsc
!

interface Serial0/1/0

 description test

 no ip address

 encapsulation bstun

 full-duplex

 no keepalive

 clock rate 19200

 bstun group 1

 bsc generic

 bstun route all tcp 10.10.10.1

!

With this configuration, no problem, my link is operationnel.

 

Debug BSTUN on my 2811:

 

R01#debug bstun packet buffer-size 8000
BSTUN packet debugging is on
   BSTUN packet display size for debugging is 8000
R01#
*Feb 12 10:38:04.218: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:04.478: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD202E312FB8B2001DBBFF000
 5A0F79100373FB
*Feb 12 10:38:04.542: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:04.806: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD302E314458C2001DBCFF000
 5A1010C310033951
*Feb 12 10:38:04.878: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:05.138: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD402E3158F8D2001DBDFF000
 5A120D10038226
*Feb 12 10:38:05.206: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:05.466: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD502E316D98E2001DBEFF000
 5A13571003DA9A
*Feb 12 10:38:05.538: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:05.806: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD602E31823772001DBFFF000
 5A02E3147BF0018F2001DBFFFA005A02E3147B0014001410038627
*Feb 12 10:38:05.878: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:06.138: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD702E3196EB10F026609C96A
 C0627162A360470F40802001DC0FF0005A014B10038032
*Feb 12 10:38:06.214: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002300101DD0227022756FF0020005A00
 5A0227022710035F31
*Feb 12 10:38:06.478: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD802E31AB7B10F0B790E356A
 C062716C0B60550F40B10F08DB14606AC062716DAD60400F40B10F0F24159C6AC062716840603A0F
 40812001DC1FF0005A029410036F98
*Feb 12 10:38:06.562: BSTUN bsc: Serial0/2/0 NDI: Data:   0000001002000000000000000010034001
*Feb 12 10:38:06.794: BSTUN bsc: Serial0/2/0 SDI: Data:   000000100230011DD902E31C01B10F11660EA86A
 C062716136603F0F40822001DC2FF0005A03DE100305CB

Debug BSC on my 2811

 

R01#debug bsc packet
BSC packet debugging is on
R01#
*Feb 12 10:03:25.283: BSC: Serial0/2/0: SDI: Data (40 bytes):  10023001052D02C35835B10F1244163D6AC06271
*Feb 12 10:03:25.351: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:25.627: BSC: Serial0/2/0: SDI: Data (72 bytes):  10023001052E02C3597FB10F1F2716296AC06271
*Feb 12 10:03:25.707: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:25.943: BSC: Serial0/2/0: SDI: Data (40 bytes):  10023001052F02C35AC8B10F27A80ECF6AC06271
*Feb 12 10:03:26.015: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:26.291: BSC: Serial0/2/0: SDI: Data (88 bytes):  10023001053002C35C13B10F2D7B14336AC06271
*Feb 12 10:03:26.375: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:26.631: BSC: Serial0/2/0: SDI: Data (104 bytes):  10023001053102C35D5DB10F33001B626AC06271
*Feb 12 10:03:26.731: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:26.939: BSC: Serial0/2/0: SDI: Data (56 bytes):  10023001053202C35EA6B10F39D0146F6AC06271
*Feb 12 10:03:27.023: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:27.255: BSC: Serial0/2/0: SDI: Data (24 bytes):  10023001053302C35FF1882000528FF0005A0B9A
*Feb 12 10:03:27.323: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:27.583: BSC: Serial0/2/0: SDI: Data (24 bytes):  10023001053402C3613B892000529FF0005A0CE4
*Feb 12 10:03:27.651: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:27.923: BSC: Serial0/2/0: SDI: Data (40 bytes):  10023001053502C36284B10F542900836AC06271
*Feb 12 10:03:27.999: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:28.243: BSC: Serial0/2/0: SDI: Data (24 bytes):  10023001053602C363CF8B200052BFF0005A0F78
*Feb 12 10:03:28.311: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:28.575: BSC: Serial0/2/0: SDI: Data (25 bytes):  10023001053702C365198C200052CFF0005A1010
*Feb 12 10:03:28.639: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001
*Feb 12 10:03:28.903: BSC: Serial0/2/0: SDI: Data (24 bytes):  10023001053802C366628D200052DFF0005A120B
*Feb 12 10:03:28.975: BSC: Serial0/2/0: NDI: Data (17 bytes):  0000001002000000000000000010034001

Configuration Routeur: R01: 2911

 

bstun peer-name 10.10.10.1   

bstun protocol-group 1 bsc
!

interface Serial0/3/1

 description test

 no ip address

 encapsulation bstun

 full-duplex

 no keepalive

 clock rate 19200

 bstun group 1

 bsc generic

 bstun route all tcp 10.10.20.1

!

Routeur R02: 2911

 

bstun peer-name 10.10.20.1   

bstun protocol-group 1 bsc
!

interface Serial0/1/0

 description test

 no ip address

 encapsulation bstun

 full-duplex

 no keepalive

 clock rate 19200

 bstun group 1

 bsc generic

 bstun route all tcp 10.10.10.1

Debug BSC on my 2911 R01

Problem is here:

 

R01# debug bsc packet buffer-size 8000
BSC packet debugging is on
   BSC packet display size for debugging is 8000
R01#
*Feb 12 13:20:46.597: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D19EA11003B08E
*Feb 12 13:20:48.793: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1A73510030E43
*Feb 12 13:20:50.989: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1AFC91003CE81
*Feb 12 13:20:53.185: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1B85D10031045
*Feb 12 13:20:55.381: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1C0F11003ED5C
*Feb 12 13:20:57.577: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1C98610031AAE
*Feb 12 13:20:59.773: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1D21A100303A9
*Feb 12 13:21:01.969: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1DAAE1003F56B
*Feb 12 13:21:04.165: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1E342100369A6
*Feb 12 13:21:06.365: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1EBD510038654no
*Feb 12 13:21:08.561: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1F46A1003C7A2 debug
*Feb 12 13:21:10.757: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D1FCFE100328A0
*Feb 12 13:21:12.949: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D205911003D525
*Feb 12 13:21:15.161: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D20E341003DFB7
*Feb 12 13:21:17.341: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D216B
*Feb 12 13:21:19.537: BSC: Serial0/3/1: SDI: Data (14 bytes):  10023001000003D21F4D1003AC22

Why do my packets that fit on the HWIC-2T card never exceed 14 bytes?

How to increase the take into account size?

On the 2811, there is no maximum size apparently.

 

Thank you for help

 

Edit: The problem is level de-encaspsulation BSTUN in BSC, is it possible to put an IOS 12 in router 2911 ? Or only v15 is supported ?

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