[OpenSER-Users] IPv6 Destination unreachable

[Andhika Gannesha Gemilang]

Trace from cilent:
=============================================================================================================
10:26:36.424197 IP6 2004::90:82.sip > 2004::90:81.sip: SIP, length: 354
`....j.@ ............... ....................jx.REGISTER
sip:[2004::90:81] SIP/2.0
Via: SIP/2.0/UDP [2004::90:82]:5060;branch=z9hG4bK1206866792
From: <sip:2002@[2004::90]:81>;tag=1806361594
To: <sip:2002@[2004::90]:81>
Call-ID: 1308861798 at 2004::90:82
CSeq: 1 REGISTER
Contact: <sip:2002@[2004::90:82]:5060>
Max-Forwards: 70
User-Agent: Linphone-1.7.1/eXosip
Expires: 200
Content-Length: 0


10:26:36.424605 IP6 2004::90:81.sip > 2004::90:82.sip: SIP, length: 451
`......@ ............... .....................v.SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP
[2004::90:82]:5060;branch=z9hG4bK1206866792;received=2004:0:0:0:0:0:90:82
From: <sip:2002@[2004::90]:81>;tag=1806361594
To: <sip:2002@[2004::90]:81>;tag=9bf42f041e5ea2673c94775a0faadb8b.8e04
Call-ID: 1308861798 at 2004::90:82
CSeq: 1 REGISTER
WWW-Authenticate: Digest realm="[2004::90:81]",
nonce="4886a61885ddea6cfa1c3e538e26b3ceffab04bf"
Server: OpenSER (1.3.2-notls (i386/linux))
Content-Length: 0

17:26:52.618229 IP6 2004::90:82 > 2004::90:81: ICMP6, destination
unreachable, unreachable address 2004::90:82, length 507
`.....:@ ............... .................Im....`......@
............... .......................SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP
[2004::90:82]:5060;branch=z9hG4bK1206866792;received=2004:0:0:0:0:0:90:82
From: <sip:2002@[2004::90]:81>;tag=1806361594
To: <sip:2002@[2004::90]:81>;tag=9bf42f041e5ea2673c94775a0faadb8b.8e04
Call-ID: 1308861798 at 2004::90:82
CSeq: 1 REGISTER
WWW-Authenticate: Digest realm="[2004::90:81]",
nonce="4886a60c2e9e478a8c8591a61c5ca117814ea990"
Server: OpenSER (1.3.2-notls (i386/linux))
Content-Length: 0
========================================================================================================
after receiving "401" challenge, the client just can't find the
server. why would this happen?
it works very well on the ipv4.

please help me...