Hello,

does it work when you set the IPv6 address in the listen directly, e.g. without the #!define?

Cheers,

Henning

-----Original Message----- From: vunm.allsign--- via sr-users sr-users@lists.kamailio.org Sent: Dienstag, 8. April 2025 10:45 To: sr-users@lists.kamailio.org Cc: vunm.allsign@gmail.com Subject: [SR-Users] IPv6 bind wrong IP. #4199

Hi guys,

I opened issue on github: https://github.com/kamailio/kamailio/issues/4199

• Description:

Kamailio (5.8.x): SIP proxy FreeSWITCH: Media

• OS: Debian 12

gateway: aaaa:bbb:cccc:20::1 ipv6: aaaa:bbb:cccc:20::41e

• kamailio.cfg:

#!define ADDR_IPV4 xxx.xxx.xxx.xxx #!define ADDR_IPV6 [aaaa:bbb:cccc:20::41e]

listen=ADDR_IPV4 listen=ADDR_IPV6

• I execute netstat -nlutp:

tcp6 0 0 aaaa:bbb:cccc:20:::5060 :::* LISTEN 1691274/kamailio tcp6 0 0 aaaa:bbb:cccc:20:::5061 :::* LISTEN 1691274/kamailio udp6 0 0 aaaa:bbb:cccc:20:::5060 :::* 1691222/kamailio

Why I set listen ip is aaaa:bbb:cccc:20::41e but kamailio stripped the last part of the address aaaa:bbb:cccc:20::

I have tried many ways but it does not work.Is there any additional configuration required regarding the Debian network interface?

• Here is interfaces(of course i can ping from/to ipv6 address):

# Additional interfaces, just in case we're using # multiple networks allow- hotplug eth1 iface eth1 inet6 static address aaaa:bbb:cccc:20::41e netmask 64 gateway aaaa:bbb:cccc:20::1 autoconf 0

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