[OpenSIPS-Users] Strange errors forwarding requests

[Bogdan-Andrei Iancu]

So, after all, it was a network layer configuration issue... :)

Regards,
Bogdan

Erik Versaevel wrote:
> The destination (in this case) is the 1st server in the loadbalancer list (as there are no other calls).
> I've upgraded this machine to ubuntu 10 (from 8) and started getting Connection Tracking drop messages in my
> syslog. I've disabled connection tracking and the issue hasn't appeared since...
>
>
> Op 5-5-2010 12:24, Bogdan-Andrei Iancu schreef:
>   
>> Hi Erik,
>>
>> have you tried to print the destination of the requests that fail?
>>
>> regards,
>> Bogdan
>>
>> Erik Versaevel wrote:
>>     
>>> Hi All,
>>>
>>> I attempted an migration last night (from our current environment to this new setup) but i ran into this
>>> problem as soon as i tried to make some test calls, funny thing is i can't get it reproduced :/ Any clues
>>> on how to debug this any further?
>>>
>>> Kind regards,
>>>
>>> Erik
>>>
>>> Op 27-4-2010 15:17, Erik Versaevel schreef:
>>>   
>>>       
>>>> Hi all,
>>>>
>>>> I'm building a setup in which opensips is acting as registar for my endpoints and loadbalancing
>>>> calls made by those endpoint over an cluster of asterisk machines. (so that if we need more asterisk
>>>> power, we just have to add another destination to the loadbalancer module)
>>>> Opensips is listening on multiple IP addresses and uses the loadbalancer module to poll my asterisk
>>>> machines and select the destination.
>>>> My problem is that every now and then opensips fails to forward an invite to my asterisk cluster and
>>>> generates
>>>>
>>>> 	"ERROR:core:udp_send: sendto(sock,0x77b81280,1353,0,0x77b81b04,16): Operation not permitted(1)"
>>>>
>>>> there is some iptables filtering on this machine, however it is not showing drops in the logfile (and it keeps
>>>> occuring even without any iptable rules).
>>>> I tried stracing opensips but all i get is:
>>>>
>>>> 	opensipstrace.7423:sendto(6, "INVITE sip:E164_DST_PHONE_NR at OPENSIPS_IP_ADDRESS SIP/2.0
>>>> 	Record-Route: <sip:OPENSIPS_IP_ADDRESS;lr=on;ftag=AI05ED431A05432EB8;nat=yes;did=fd6.e1f16fe3;vsf=AAAAAAMIBgl3AggLFgF5HAAFGhwBHzE3NC44MQ-->
>>>> 	Via: SIP/2.0/UDP OPENSIPS_IP_ADDRESS;branch=z9hG4bK3177.1e0e38b7.0
>>>> 	Via: SIP/2.0/UDP 192.168.178.44:5060;received=CPE_IP_ADDRESS;rport=61008;branch=z9hG4bK2010Apr222938466E164_DST_PHONE_NR
>>>> 	To: <sip:E164_DST_PHONE_NR at OPENSIPS_IP_ADDRESS>
>>>> 	From: \"3961\" <sip:3961 at OPENSIPS_IP_ADDRESS>;tag=AI05ED431A05432EB8
>>>> 	Call-ID: AIF001C45E85F7921C at 192.168.178.44
>>>> 	CSeq: 2 INVITE
>>>> 	Max-Forwards: 69
>>>> 	Contact: <sip:E164PHONE_NR at CPE_IP_ADDRESS:61008;line=AIF8F01E8DF866D7CB>
>>>> 	Accept: application/sdp
>>>> 	Allow: ACK,BYE,CANCEL,INVITE,NOTIFY,OPTIONS,REFER
>>>> 	Allow-Events: dialog,message-summary
>>>> 	P-Preferred-Identity: <sip:E164PHONE_NR at OPENSIPS_IP_ADDRESS>
>>>> 	Privacy: none
>>>> 	User-Agent: SomeStrangeDude
>>>> 	Content-Type: application/sdp
>>>> 	Content-Length: 324
>>>> 	I-FromDisp: <null>
>>>> 	I-FromUri: E164PHONE_NR
>>>> 	I-CustId: 3961
>>>> 	
>>>> 	v=0
>>>> 	o=intelligate 1133701155 1133701155 IN IP4 192.168.178.44
>>>> 	s=call
>>>> 	c=IN IP4 CPE_IP_ADDRESS
>>>> 	t=0 0
>>>> 	m=audio 5004 RTP/AVP 18 8 101
>>>> 	a=rtpmap:18 G729/8000
>>>> 	a=fmtp:18 annexb=no
>>>> 	a=rtpmap:8 PCMA/8000
>>>> 	a=rtpmap:101 telephone-event/8000
>>>> 	a=fmtp:101 0-15
>>>> 	a=sendrecv
>>>> 	a=ptime:20
>>>> 	a=direction:active
>>>> 	a=oldmediaip:192.168.178.44
>>>> 	", 1253, 0, {sa_family=AF_INET, sin_port=htons(5060), sin_addr=inet_addr("ASTERISK_IP_ADDRESS")}, 16) = -1 EPERM (Operation not permitted)
>>>>
>>>> I also use the uac_replace_from() to mangle the from header so asterisk uses the correct user/peer/client to connect the call (codec/dialplan etc).
>>>> I'm having trouble reproducing the error as it's not allways occuring, the errors i straced where mainly the initial invite towards my asterisk
>>>> cluster and a few 200 OK's which didn't get processed correctly.
>>>>
>>>> Any clues on how to debug this further?
>>>>
>>>> Kind regards,
>>>>
>>>> Erik Versaevel
>>>>
>>>>
>>>>     
>>>>         
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>
>>>   
>>>       
>>     
>
>
>
> Erik Versaevel
>
>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro