10 jul 2012 kl. 20:50 skrev Kevin P. Fleming: > On 07/10/2012 03:24 AM, Olle E. Johansson wrote: > >> The Asterisk SIP channel has no knowledge about interfaces and can't >> bind to a specific interface for communication. In fact, it's a well known >> bug that if you have multiple interfaces with different IP networks, >> Asterisk will send from the wrong IP on some of the interfaces. > > Are you sure about that? The only problem area that I'm aware of is when > there are multiple *overlapping* interfaces (on the same subnet, or providing > the same route(s)). In that case, Asterisk can receive messages on one IP > address out of the overlapping set, but reply using a different one from the > set, because it doesn't specify the source IP address and instead lets the > UDP/IP stack select one. > > If the interfaces don't overlap in any way, I don't see how it would be > possible for Asterisk to send messages with the wrong source IP address, > since it does not specify the source IP address at all. If this is occurring, > it must involve the operating system's IP stack in some fashion.
Yes, I still use quite a lot of IPtables tricks to overcome this issue. /O -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users