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Callback - 3Com to Cisco 3640 NAS

Calling from 3Com LAN modem to Cisco 3640 with isdn pri, Cisco ACS and callback enabled. The router and ACS work fine with cisco dial in (2600), callback will not result when using 3com lan modem. Seen bug ID CSCdx81130 and upgraded to 12.2(17) to no affect.

Here is output from debug cbcp, as you can see the response has an additional byte, this causes nas to request callback again, and so on until it gives up. Any ideas?

00:49:45: Se3/0:0 MCB: User test1 Callback Number - Server (DN Removed for security>

00:49:45: Serial3/0:0 PPP: O MCB Request(1) id 31 len 7

00:49:45: Serial3/0:0 MCB: O 1 1F 0 7 3 3 0

00:49:45: Se3/0:0 MCB: O Request Id 31 Callback Type Server-Num delay 0

00:49:45: Serial3/0:0 PPP: I MCB Response(2) id 31 len 8

00:49:45: Serial3/0:0 MCB: I 2 1F 0 8 3 4 5 0

00:49:45: Se3/0:0 MCB: Received response

00:49:45: Se3/0:0 MCB: Response CBK-Server-Num 3 4 5

00:49:45: Se3/0:0 MCB: Response for CBK-Server-Num has extra data 1 bytes 0x0 0x0x0 0x0

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Bronze

Re: Callback - 3Com to Cisco 3640 NAS

The bug CSCdx81130 has been fixed in the below shown version and not in 12.2(17) . You can try in one of the below said version.

12.2(11.4), 12.2(11.4)S, 12.1(15.6), 12.2(2)XB07, 12.2(11.5)T, 12.2(11.4)DA, 12.2(11.5)GLD, 12.2(11)T01, 12.2(11.08b)DA, 12.2(13.3)B, 12.1(18.1)E, 12.2(15)BW, 12.2(15)BZ, 12.2(15)ZN

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