On Mon, 18 Feb 2008, Stephen Davies wrote: > I have a network of offices using Asterisk that are connected via IAX2 >> trunks. The trunks work great for a day or two then for no reason at all one >> end of the trunk will become UNREACHABLE while the other end is still >> connected. The oving nly way to fix the problem is to shutdown Asterisk >> completly then start it backup again. The end that dies is not always the >> same, some times it is server A and some times it is server B. Never have I >> seen that both ends die, just one. The side that is still connected can make >> calls to the end that died but not the other way. If you call from the >> server with the dead IAX2 trunk you here "All circuts are busy now." All >> networks have static IP addresses and their firewalls are setup to allow UDP >> 4569 to come in to the Asterisk systems. >> > > > We've got customers who experience this problem. We believe it is a fault > with their NAT routers - I've traced traffic and our return packets do not > arrive at their Asterisk box. Rebooting their NAT/ADSL routers fixes the > problem. (Restarting their Asterisk does too - I assume the traffic from > the box causes the NAT router to re-open a mapping.
Wouldn't be Drayteks by any chance? I've since gone-off them for ADSL routers due to unexplained NAT issues... Shame as the traffic shaping seems to work! Gordon _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
