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Connection Trunk

I am involved in a voice network where all voice connections are via connection trunks. The network is in a square with links between each site. If the link goes down the connection trunks go over the other link (session target is destination loopback address).

The problem is when the original link comes back up, there are no logs to say what has happened to the trunks, although they are all still up & running. How can I prove which way around the network these connections are going?


Re: Connection Trunk

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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