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IMA using NM-8T1-IMA

I'm having a problem getting the interfaces on the NM-8T1-IMA card to come up. The modules are installed in (2) 3725's with IOS ver. 12.2(8)T5. The first four ATM int's (0-3) are grouped in ima-group 0. As far as I can tell by the config documents I've read, I've configured the grouping and interfaces correctly. My carrier is showing connection, as well as the interfaces themselves (no alarms, loops, etc.). The interfaces and line protocols remain down however and the atmx/imay.z interface keeps telling me that the new config. is not yet active. Anyone have any ideas??

Thanks,

Matt

1 REPLY
Silver

Re: IMA using NM-8T1-IMA

I think that your problem is the carrier has cell scrambling disabled and you have it enabled or visa versa

try this config on all the T1's

atm1/0

no atm ilmi-keepalive

ima-group 1

no scrambling-payload

on the ima group

interface ATM1/IMA1

atm uni-version 3.1

no atm auto-configuration

no atm ilmi-keepalive

no atm address-registration

no atm ilmi-enable

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