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VIC-2BRI-S/T-TE on a 2620

I am using this module in a cisco 2620 ios 12.1

and I'm have a problem getting the 2nd bchan up. The switch tells me they don't see the 2 number program in our equipment but I do have it program exactl as I do the first. The ISDN line is a U interface so I'm using a adtran nt1 ace box to break out to the vic card I just swap out the adtran box and the same thing is happening. Telco did mention that I should run debugs remove tacacs authentication but I'm not using that . Please I become any and all suggestions. We're talking deparado here!!


Re: VIC-2BRI-S/T-TE on a 2620

Can you communicate using the single BRI channel, what is the bandwidth available if so, both channel together you will be getting 128kbps, means both are working . You can also mention the SPID in the channels but not required for all kind of switches.