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Ticket ID: SIXXS #1225142 Ticket Status: Resolved PoP: nlams05 - SURFnet (Amsterdam)
T10670 tunnel fails, no traffic.
![[nl]](/s/countries/nl.gif) Shadow Hawkins on Friday, 09 October 2009 15:05:36
Dear SixXS,
Yesterday I converted my tunnel from a AICCU to a plain 6in4 tunnel. My tunnel had been down for a long time. I think I see corretly encapsulated IPv4 traffic leaving my router but no icmp reply is sent back.
Example:
On tunnel T10670 node Surfnet nlams05
ping6 2001:610:600:364::1
IPv4 source: 145.103.250.253
Tcpdump on outgoing ethernet interface:
12:59:25.644994 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto IPv6 (41), length 124) 145.103.250.253 > 192.87.102.107: IP6 (hlim 64, next-header ICMPv6 (58) payload length: 64) 2001:610:600:364::2 > 2001:610:600:364::1: ICMP6, echo request, length 64, seq 400
12:59:26.644992 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto IPv6 (41), length 124) 145.103.250.253 > 192.87.102.107: IP6 (hlim 64, next-header ICMPv6 (58) payload length: 64) 2001:610:600:364::2 > 2001:610:600:364::1: ICMP6, echo request, length 64, seq 401
I am using a Linux Vyatta based router version 3.4.6 which support 6in4 tunnels.
Hope you can help me because I can not debug any further.
With kind regards,
Paul Boot.
State change: resolved
The state of this ticket has been changed to resolved
T10670 tunnel fails, no traffic.
Resynced PoP (tunnel type changes sometimes go wrong), and works now:
64 bytes from 2001:610:600:364::2: icmp_seq=0 ttl=64 time=3.56 ms
T10670 tunnel fails, no traffic.
Shadow Hawkins on Friday, 09 October 2009 15:23:08
Thanks Jeroen,
Happy on IPv6 again;-)
With kind regards,
Paul Boot.
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![[ch]](/s/countries/ch.gif)
on Friday, 09 October 2009 15:21:42
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