I recently encountered a problem with a 3600 series router whereby a while trying to bring up a BRI onterface with the command "no shutdown" my telnet session froze and I could not re-establish a telnet connection, On further investigation I found that the router had stopped passing traffic through all its interfaces. The solution was to reboot the router.
Does any one know why a simle command as "no shutdown" would cause this
Further info: we had two newly installed ISDN 2's connected to the BRI ports.and prior to to them being installed test calls wrer made from the ISDNs
The freezing has occurred on two seperate occasions and actually only happened when I tried to bring up the BRI1/1 interface the config for the router is quite big so I have attached the additons which were made to add the two new dialers BRI''s etc.
I was unaware the BRI would place call when it is brought up, I thought a ping would initiate traffic and cause the dialer to dial out.
Do you have other dialer interfaces or is this it , just wondering why the dialer interfaces don't tie into the physical BRI interfaces (dialer rotary-group number should match the virtual dialer interface number).
Have you configured the dialer-list 5 for call triggering.
Have you tried shutting the dialer interfaces first and then opening the BRI ports.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
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