Hello. Since Nov 19, 2009 there is no tunnel connection between client end-point [2001:808:100:1b::2] and plpoz01 PoP end-point [2001:808:100:1b::1]. The traceroute investigations suggest some problems with plpoz01 node. * One cannot IPv6 traceroute from plpoz01 to external site like SixXS NOC: [ bookmarkable link: https://www.sixxs.net/tools/traceroute/?pop=plpoz01-4&dpop=noc&dest=noc.sixxs.net ] IPv4 traceroute IPv4 traceroute from plpoz01.sixxs.net @ Poznan Supercomputing and Networking Center, AS9112 to noc.sixxs.net / SixXS NOC, AS12871 : Hop Node Loss% Sent Last Avg Best Worst StDev * Neither over IPv4: [ bookmarkable link: https://www.sixxs.net/tools/traceroute/?pop=plpoz01-6&dpop=noc&dest=noc.sixxs.net ] IPv6 traceroute IPv6 traceroute from plpoz01.sixxs.net @ Poznan Supercomputing and Networking Center, AS9112 to noc.sixxs.net / SixXS NOC, AS12871 : Hop Node Loss% Sent Last Avg Best Worst StDev ASN Organisation When the ASN of a prefix is blank then the prefix doesn't have an route6 entry in the registries. * although, test from noc to plpoz01 works: [ bookmarkable link: https://www.sixxs.net/tools/traceroute/?pop=noc-6&dpop=plpoz01&dest=plpoz01.sixxs.net ] IPv6 traceroute IPv6 traceroute from noc.sixxs.net @ SixXS NOC, AS12871 to plpoz01.sixxs.net / Poznan Supercomputing and Networking Center, AS9112 : Hop Node Loss% Sent Last Avg Best Worst StDev ASN Organisation 1. 2001:838:1:1::1 0.0% 5 0.4 0.4 0.4 0.4 0.0 [.nl] Netherlands, The 12871 Concepts ICT ge-1-3-0.breda.ipv6.concepts-ict.net. 2. 2001:838:5:a::1 0.0% 5 1.8 1.9 1.8 1.9 0.0 [.nl] Netherlands, The 12871 Concepts ICT gi2-11.nikhef.ipv6.concepts-ict.net. 3. 2001:7f8:1::a500:3549:2 0.0% 5 79.4 79.6 79.4 80.1 0.3 [.nl] Netherlands, The AMS-IX-IPV6 loop0.ar2.ams1.gblx.net. 4. 2001:450:2002:70::2 0.0% 5 86.4 87.0 86.4 89.2 1.2 [.us] United States Global Crossing 5. 2001:798:cc:1401:2301::2 0.0% 5 99.0 99.1 99.0 99.2 0.1 [.eu] Europe 20965 Dante so-7-0-0.rt1.poz.pl.geant2.net. 6. 2001:798:23:10aa::6 0.0% 5 99.1 100.6 99.1 106.0 3.1 [.eu] Europe 20965 Dante pionier-bckp-gw.rt1.poz.pl.geant2.net. 7. 2001:b10:c000:2::2 0.0% 5 99.1 99.2 99.1 99.3 0.1 [.pl] Poland Lodman z-poznan-gw1.pozman.10gb.pol34.pl. 8. 2001:808::66 0.0% 5 99.2 99.2 99.1 99.2 0.1 [.pl] Poland Poznan Supercomputing And Networking Center plpoz01.sixxs.net. * The test to plpoz01 tunnel end-point looks OK ... [ bookmarkable link: https://www.sixxs.net/tools/traceroute/?pop=noc-6&dpop=other&dest=2001:808:100:1b::1 ] IPv6 traceroute IPv6 traceroute from noc.sixxs.net @ SixXS NOC, AS12871 to 2001:808:100:1b::1 : Hop Node Loss% Sent Last Avg Best Worst StDev ASN Organisation 1. 2001:838:1:1::1 0.0% 5 0.4 0.4 0.4 0.4 0.0 [.nl] Netherlands, The 12871 Concepts ICT ge-1-3-0.breda.ipv6.concepts-ict.net. 2. 2001:838:5:a::1 0.0% 5 1.8 1.9 1.8 1.9 0.0 [.nl] Netherlands, The 12871 Concepts ICT gi2-11.nikhef.ipv6.concepts-ict.net. 3. 2001:7f8:1::a500:3549:2 0.0% 5 79.5 79.5 79.5 79.6 0.0 [.nl] Netherlands, The AMS-IX-IPV6 loop0.ar2.ams1.gblx.net. 4. 2001:450:2002:70::2 0.0% 5 86.6 91.6 86.4 107.0 8.9 [.us] United States Global Crossing 5. 2001:798:cc:1401:2301::2 0.0% 5 99.4 99.2 99.1 99.4 0.1 [.eu] Europe 20965 Dante so-7-0-0.rt1.poz.pl.geant2.net. 6. 2001:798:23:10aa::6 0.0% 5 99.3 99.3 99.2 99.3 0.0 [.eu] Europe 20965 Dante pionier-bckp-gw.rt1.poz.pl.geant2.net. 7. 2001:b10:c000:2::2 0.0% 5 99.3 99.3 99.3 99.4 0.1 [.pl] Poland Lodman z-poznan-gw1.pozman.10gb.pol34.pl. 8. 2001:808:100:1b::1 0.0% 5 99.4 99.3 99.2 99.4 0.1 [.pl] Poland 9112 Poznan Supercomputing and Networking Center gw-28.poz-01.pl.sixxs.net. * Yet, the test to client end-point ends nowhere (notice 80% loss on penultimate node): [ bookmarkable link: https://www.sixxs.net/tools/traceroute/?pop=noc-6&dpop=other&dest=2001:808:100:1b::2 ] IPv6 traceroute IPv6 traceroute from noc.sixxs.net @ SixXS NOC, AS12871 to 2001:808:100:1b::2 : Hop Node Loss% Sent Last Avg Best Worst StDev ASN Organisation 1. 2001:838:1:1::1 0.0% 5 0.4 0.4 0.4 0.4 0.0 [.nl] Netherlands, The 12871 Concepts ICT ge-1-3-0.breda.ipv6.concepts-ict.net. 2. 2001:838:5:a::1 0.0% 5 1.9 5.8 1.8 21.8 8.9 [.nl] Netherlands, The 12871 Concepts ICT gi2-11.nikhef.ipv6.concepts-ict.net. 3. 2001:7f8:1::a500:3549:2 0.0% 5 79.4 126.4 79.4 241.0 71.5 [.nl] Netherlands, The AMS-IX-IPV6 loop0.ar2.ams1.gblx.net. 4. 2001:450:2002:70::2 0.0% 5 86.2 97.2 86.2 137.2 22.4 [.us] United States Global Crossing 5. 2001:798:cc:1401:2301::2 0.0% 5 98.9 98.9 98.9 99.0 0.0 [.eu] Europe 20965 Dante so-7-0-0.rt1.poz.pl.geant2.net. 6. 2001:798:23:10aa::6 0.0% 5 99.1 99.0 98.9 99.1 0.1 [.eu] Europe 20965 Dante pionier-bckp-gw.rt1.poz.pl.geant2.net. 7. 2001:b10:c000:2::2 0.0% 5 99.0 99.0 98.9 99.1 0.1 [.pl] Poland Lodman z-poznan-gw1.pozman.10gb.pol34.pl. 8. 2001:808::207:e9ff:fed4:1a1b 80.0% 5 99.2 99.2 99.2 99.2 0.0 [.pl] Poland Poznan Supercomputing And Networking Center 9. ??? 100.0 5 0.0 0.0 0.0 0.0 0.0 Would anybody check, if plpoz01 is OK, please? Piotr Gronek Username:PGT1-SIXXS Full name:Piotr Gronek Organisation:AGH-UST Faculty of Physics and Applied Computer Science Email:gronek@ftj.agh.edu.pl Address:al. Mickiewicza 30 30-059 Krakow POLAND Phone:+48126172318 Website:http://www.ftj.agh.edu.pl/