X25 traffic from a XOT session routed to another XOT session

Unanswered Question
Jun 13th, 2008

Hi Guys,

We try to configured a x25 routing from one XOT session to another XOT session.

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We do not succeed in making it working.

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- The X25 routing from a X25 interface to a XOT session is workign fine

- the X25 routing from a XOT session to a X25 interface is working fine

- but a x25 routing from a XOT session to another XOT session is not working.

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the usual X25 message is:

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Cause 13, Diag 64 (Not obtainable/Call or Clear problem)

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LGER14#

*Oct 21 20:41:51.126: %SYS-5-CONFIG_I: Configured from console by consolesh x25 route

# Match Substitute Route to match/use

1 dest .* xot 10.1.1.13

13/13

2 dest 15 Sub-dest 25 xot 10.1.1.15

0/0

3 dest 25 xot 10.1.1.15

0/0

4 dest 16 Sub-dest 26 xot 10.1.1.15

0/0

LGER14#

*Oct 21 20:42:00.397: [10.1.1.13,18892/10.1.1.14,1998]: XOT I P/Inactive Call (17) 8 lci 1

*Oct 21 20:42:00.397: From (2): 12 To (2): 16

*Oct 21 20:42:00.397: Facilities: (6)

*Oct 21 20:42:00.397: Packet sizes: 128 128

*Oct 21 20:42:00.397: Window sizes: 2 2

*Oct 21 20:42:00.397: Call User Data (4): 0x01000000 (pad)

*Oct 21 20:42:00.401: [10.1.1.13,18892/10.1.1.14,1998]: XOT O P3 Clear (5) 8 lci 1

*Oct 21 20:42:00.401: Cause 13, Diag 64 (Not obtainable/Call or Clear problem)

*Oct 21 20:42:00.417: [10.1.1.13,18892/10.1.1.14,1998]: XOT I P6 Clear Confirm (3) 8 lci 1

LGER14#sh x25 route

# Match Substitute Route to match/use

1 dest .* xot 10.1.1.13

14/14

2 dest 15 Sub-dest 25 xot 10.1.1.15

0/0

3 dest 25 xot 10.1.1.15

0/0

4 dest 16 Sub-dest 26 xot 10.1.1.15

1/1

LGER14#

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Could anyone confirm if this could work or if this is not supported by the IOS?

Thanks. regards/Ludovic.

I have this problem too.
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Paolo Bevilacqua Fri, 06/13/2008 - 06:44

I think you need to go across a serial connection for XOT to XOT. Or build IP connectivity between the endpoints and skip intermediate router altogether.

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