16 Feb
2012
16 Feb
'12
5:26 p.m.
2) I tried to set mhomed=1, but it has become even worse - No out socket.
So I tried to disable it again and force kamailio to listen on physical
address as well (so simultaneously on virtual and physical). The error
disappeared, but the BYE message is not forwarded, it is processed and
onsend event-route is triggered as usually , but the packet is not sent
anywhere. I used tcpdump -i any. I will investigate if it is some network
issue, however, is there any way how to debug it further ?
On Mon, Feb 13, 2012 at 4:28 PM, Daniel-Constantin Mierla <miconda(a)gmail.com
wrote:
Hello,
for 1) Is the device behind nat? Do you have tcp connection lifetime
parameter value long enough?
for 2) is the physical IP a public space IP? Do you have mhomed parameter
set? It is a warning saying that the interface returned by OS for
connecting to the destination is not in the listen list.
for 3) yes it is expected behaviour, you just need to do record routing as
usual, nothing special.
Cheers,
Daniel
On 2/13/12 11:43 AM, Mino Haluz wrote:
Hi,
our customers are using mostly UDP but some of them want to use TCP. The
problem is, I get various TCP errors in kamailio log and I do not
understand what they mean
1) ERROR: <core> [tcp_main.c:4130]: connect <customerIP:port> failed
This means kamailio is trying to connect with TCP to the customer ??
2) WARNING: tcp_do_connect <customerIP:port> : could not find
corresponding listening socket for IPaddress , using default... ( where
IPaddress is kamailio physical IP address)
Kamailio has one virtual IP address (heartbeat IP address) and one
physical. It listens on the virtual IP address but I do not understand why
it is trying to use the physical IP address ?
I was investigating this thing because the BYE message is not being
relayed if the TCP is used (everytime the 2. error message is printed), so
that's why I have to understand what it really means...
And the last question,
3) If kamailio is relaying the traffic to the PSTN gateway, and the
customer is using TCP, kamailio uses TCP as well for connecting to the PSTN
gw. Is this behaviour normal ? I would expect that
customer -- TCP --> kamailio --- UDP --> GW,
and not
customer -- TCP --> kamailio --- TCP --> GW,
Thanks,
Mino
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