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New Member

Cisco 801 unaspected idle timeout reset

I've this problem:

I've some Cisco 801 router with N.1 ethernet interface adn N.1 ISDN interface.

I've setting up n.1 dialer interface with an idle timeout,i.e., of 150 sec.

But I've noted that even if no any packet leave the the NIC interface of the internal network who is directly connected the router and arrive to the ethernet card of the router (and i'm shure of this because i've used Network Monitor to display any kind of traffic from and to the ethernet interface of the router) the dialer interface is always connected and the idle timeout is continuosly resetted and restart from 150 sec and never reach the 0 value at wich the BRI interface change his state to down (and the internet connection is disconnected).

Is there any one that can help me?

Thanks you.


  • Other Network Infrastructure Subjects
New Member

Re: Cisco 801 unaspected idle timeout reset

Any update on this ? I am facing a similar problem now

New Member

Re: Cisco 801 unaspected idle timeout reset

Put an access-list on the outgoing ISDN-interface with "permit ip any any log" see if you get any hits for the acl. If so, there might be your problem.

Do you have any services in the box configured that needs info from the other side of the isdn-link like ntp, tacacs, radius etc?

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