CME serial configurations

Unanswered Question
Oct 7th, 2008
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We are upgrading our circuit from 16 channels to a full E1 with 30 channels. I am able to change the pri-group timeslots to 1-31. When I sh ip interface brief I see all the channels displayed. My question is does the int S0/0/0:15 need to be modified to s0/0/0:31 to reflect the other channels or will all the channels still be available under the S0/0/0:15?

Any help would be greatly appreciated. Thank you!

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Marwan ALshawi Tue, 10/07/2008 - 17:23
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u dont need to change it


S0/0/0:15 is the one u need

basicly the channel 16 is the D channel for E1 if u use all chaneels or 4 channells


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roseeng69 Tue, 10/07/2008 - 19:06
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Hi Marwan,


Thanks so much for replying. I am changing from 16 channels to 31 channels. Doesn't the serial interface have to reflect the 31 channels instead of the 16? How would I make that change?

Thank you!

Marwan ALshawi Tue, 10/07/2008 - 19:26
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the channel 16 will remain the D channel regardless howmany channels u are running


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Marwan ALshawi Tue, 10/07/2008 - 23:35
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for your information


pri-group timeslots (1-31) for E1. This command associates the specified timeslots as ISDN channels. If you do not specify timeslots, all B-channels are associated to the PRI group. It is important to understand that the D-channel is always added to the pri-group, even if it is not explicitly specified, because it is required for signaling


hope this helpful

roseeng69 Wed, 10/08/2008 - 04:48
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Hi Marwan,


Thank you so much for your quick response. I appreciate all your help!

Marwan ALshawi Wed, 10/08/2008 - 04:49
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u welcome

please, rate the helpful post


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