Re: [SR-Users] Problem with selection Transport Protocol - MultiHomed Problem

Hello, I removed SRV and NAPTR and no change. Kamailio tried to send over UDP:IPV6

In addition i realized that Register works well but it failed on INVITE.

I tried below and Middle Kamailio try to send over UDP:IPv6.

UAC IPV6:TCP----> Kamailio ---> (TCP:IPV6) Kamailio

I think i can set it with rewritehostporttrans function but i dont know address family. Because if i route it over IPv6 it should be TCP , on the other hand, , it should be UDP over IPv4 . If i can know address family of sending , i can do rewritehostporttrans.

i think again , i can solve it that appending to R-URI ";transport=tcp" . i will try.

Thanks.

________________________________ From: Daniel-Constantin Mierla miconda@gmail.com Sent: Friday, December 14, 2018 5:08 PM To: Kamailio (SER) - Users Mailing List; YAS0 CANER Subject: Re: [SR-Users] Problem with selection Transport Protocol - MultiHomed Problem

Hello,

is there any naptr or srv dns record behind test1.test domain? Or just A/CNAME record?

Cheers, Daniel

On 14.12.18 14:35, YAS0 CANER wrote: Hello;

i want to force message to send over TCP and IPv6 . so it should be R/W variable. When i set $fs or force_send_socket() it gives error about mismatch protocol !

Thanks.

Yasin CANER ________________________________ From: sr-users sr-users-bounces@lists.kamailio.orgmailto:sr-users-bounces@lists.kamailio.org on behalf of YAS0 CANER caner_yaso@hotmail.commailto:caner_yaso@hotmail.com Sent: Friday, December 14, 2018 4:27 PM To: Kamailio (SER) - Users Mailing List Subject: [SR-Users] Problem with selection Transport Protocol - MultiHomed Problem

Hello , i have trouble about selection transport protocol. i have tried so many thing but couldnt find TM selected which IPv? and protocol type (TCP or UDP)

For example; i have 2 interface ipv6 and ipv4. i will route my message (INVITE-Register etc.) another node that use TCP and IPV6 , domain name is test1.test. TM module or some module resolve this domain to IPV6:UDP but i want to sent it over IPV6:TCP socket. so i cannot know which protocol is resolved and cannot route the right socket.

$du variable show only sip:ali@test1.test

Conclusion : There isn't any pseudo value about which destination of IP version will use.

Thanks

Flow:

UAC (IPv4:UDP) ----------> Kamailio (MultiHomed) ----> (TCP:IPv6)Kamailio

---- Kamailo (multiHomed ) cfg ------ auto_bind_ipv6=1 dns_try_ipv6=yes dns_retr_time=1 dns_retr_no=1 dns_cache_flags=4 mhomed=1 fork=yes tcp_source_ipv6 = [fd61:c23c:b3b6::5] listen=tcp:[fd61:c23c:b3b2::5]:5060 listen=udp:[fd61:c23c:b3b2::5]:5060 listen=udp:192.168.1.107:5060 listen=tcp:192.168.1.107:5060

route []{

if($dP=="TCP"){ xlog("L_INFO","[route] [TCP] 1\n"); if (!t_relay_to_tcp()) { xlog("L_ERR", "Error t_relay [route] \n"); t_reply("500","Server - ERROR "); exit; } } else if($dP=="TCP"){ xlog("L_INFO","[route] [TCP] 2\n"); if (!t_relay_to_tcp()) { xlog("L_ERR", "Error t_relay [route] \n"); t_reply("500","Server - ERROR "); exit; } }else if($dP=="UDP"){ xlog("L_INFO","[route] [UDP] 1\n"); if (!t_relay_to_udp()) { xlog("L_ERR", "Error t_relay [route] \n"); t_reply("500","Server - ERROR "); exit; } }else{ xlog("L_INFO","[route] [??] 1\n"); if (!t_relay()) { xlog("L_ERR", "Error t_relay [route] \n"); t_reply("500","Server - ERROR "); exit; } } }

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