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ATM Carrrier transitions

I have a router linked to an ATM switch. I take a look at ATM interface I noticed that there were a lot of carrier transitions (about 6500 in a week). Is it normal?

Is there any Hardware Failure? In my router or in a ATM switch?

Thank you.

Regards, Paolo


Re: ATM Carrrier transitions

carrier transitions are bad but all it means is the circuit went down.

If your ATM switch and the router are in the same room it is very unlikely that it is the cable between them. If it really does turn out to be in this connection you have bad hardware most likely.

The more common thing is the atm switch is configured to take the connection down between the router and the switch when it detects another incoming line to the atm switch go down. You will need to look at the logs in the ATM switch to determine if something is going down that would have a affect on the connection to the router.

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