Re: ipv6 problem
On 01/02/2011 07:29, pepe wrote: I have 2001:14b8:10:402::/64 ipv6 from my isp and I cant get it working. Ifconfig should be ok: backup# ifconfig rl0 inet6 rl0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500 options=8VLAN_MTU inet6 2001:14b8:10:402:2::1 prefixlen 64 Looks a bit odd - I would expect to see a link-local address too - eg %ifconfig bge0 inet6 bge0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500 options=8009bRXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE inet6 fe80::20b:cdff:fef2:9a57%bge0 prefixlen 64 scopeid 0x1 inet6 2001:8b0:cae3:1:20b:cdff:fef2:9a57 prefixlen 64 autoconf default gateway is set to 2001:14b8:10:402:1::1. That sounds a slightly odd comment, since in general IPv6 routing is done with auto-discovery. Especially given the fact that the default route quoted lies within the same subnet (2001:14b8:10:402:: prefixlen 64) as the host in question. When I try to traceroute irc server for example I get this: traceroute6: Warning: irc.cc.tut.fi has multiple addresses; using 2001:708:310:4952:4320:5365:7276:6572 I get this message too - because the host irc.cc.tut.fi DOES have multiple addresses: %dig irc.cc.tut.fi ; DiG 9.6.2-P2 irc.cc.tut.fi ;; global options: +cmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: 24710 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 0 ;; QUESTION SECTION: ;irc.cc.tut.fi. IN ;; ANSWER SECTION: irc.cc.tut.fi. 3134IN 2001:708:310:4952:4320:5365:7276:6572 irc.cc.tut.fi. 3134IN 2001:708:310:4952:4320:436c:6965:6e74 ;; AUTHORITY SECTION: cc.tut.fi. 172334 IN NS ns-secondary.funet.fi. cc.tut.fi. 172334 IN NS kaustinen.cc.tut.fi. cc.tut.fi. 172334 IN NS ressu.cc.tut.fi. ;; Query time: 0 msec ;; SERVER: 81.187.228.6#53(81.187.228.6) ;; WHEN: Thu Feb 3 15:34:06 2011 ;; MSG SIZE rcvd: 164 traceroute6 to irc.cc.tut.fi (2001:708:310:4952:4320:5365:7276:6572) from 2001:14b8:10:402:2::1, 64 hops max, 12 byte packets 1 2001:14b8:10:402:2::1 2026.908 ms !A 2999.587 ms !A 3000.423 ms !A From the traceroute6 manpage !A Destination Unreachable - Address Unreachable. It also appears that your first hop address is the same as your source address, which does suggest that routing is more than a little bit screwy. On my system I get: %traceroute6 -n irc.cc.tut.fi traceroute6: Warning: irc.cc.tut.fi has multiple addresses; using 2001:708:310:4952:4320:436c:6965:6e74 traceroute6 to irc.cc.tut.fi (2001:708:310:4952:4320:436c:6965:6e74) from 2001:8b0:cae3:1:20b:cdff:fef2:9a57, 64 hops max, 12 byte packets 1 2001:8b0:cae3:1:21a:a2ff:fe34:e50b 1.349 ms 0.969 ms 1.011 ms 2 2001:8b0:0:53:203:97ff:fe05:8000 129.118 ms 143.449 ms 119.622 ms 3 2001:7f8:4::50e8:1 132.075 ms 119.009 ms 117.983 ms 4 2001:7f8:4::1b1b:1 123.832 ms 114.424 ms 119.675 ms 5 2001:7f8:4::a2b:1 114.905 ms 119.009 ms 118.030 ms 6 2001:948:1:8::3 134.205 ms 143.579 ms 130.875 ms 7 2001:948:1:2::3 145.068 ms 145.049 ms 156.321 ms 8 2001:948:3:2::3 165.258 ms 171.228 ms 156.591 ms 9 2001:708:0:f000:0:60:3060:2 233.114 ms 163.319 ms 158.668 ms 10 2001:708:310::2 67.252 ms 58.513 ms 59.656 ms 11 2001:708:310:4952:4320:436c:6965:6e74 58.906 ms 58.310 ms 58.045 ms (I ran it with -n as I think in this case the raw IPv6 addresses are more informative than the rDNS lookups). So. Could this be problem in my configs or is this because of something wrong at the isp side? It does look as though there is something a little odd with your configs. It's difficult to be more specific because you've given very little information. If things at the router (whether yours or at the isp) are set up correctly then the single line in /etc/rc.conf ipv6_enable=YES should be sufficient to autoconfigure BOTH ipv6 address and routing using Router Discovery. This is all that I had to do on the machine I generated the above config dumps traces from. In my case my ISP (AAISP in the UK) have allocated me a /48 2001:8b0:cae3:: Traffic comes to me over a 6to4 tunnel from the ISP terminated on a Cisco router (though I tested it on a FreeBSD host before I got the 6to4 tunnel set up on the router). The LAN side interface of the router has Router Advertisements enabled which means that the above rc.conf line is all that is required for everything to just work. -- Thomas Sandford ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: ipv6 problem
On 3.2.2011 17:53, Thomas Sandford wrote: On 01/02/2011 07:29, pepe wrote: I have 2001:14b8:10:402::/64 ipv6 from my isp and I cant get it working. Ifconfig should be ok: backup# ifconfig rl0 inet6 rl0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500 options=8VLAN_MTU inet6 2001:14b8:10:402:2::1 prefixlen 64 Looks a bit odd - I would expect to see a link-local address too - eg %ifconfig bge0 inet6 bge0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500 options=8009bRXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE inet6 fe80::20b:cdff:fef2:9a57%bge0 prefixlen 64 scopeid 0x1 inet6 2001:8b0:cae3:1:20b:cdff:fef2:9a57 prefixlen 64 autoconf default gateway is set to 2001:14b8:10:402:1::1. That sounds a slightly odd comment, since in general IPv6 routing is done with auto-discovery. Especially given the fact that the default route quoted lies within the same subnet (2001:14b8:10:402:: prefixlen 64) as the host in question. When I try to traceroute irc server for example I get this: traceroute6: Warning: irc.cc.tut.fi has multiple addresses; using 2001:708:310:4952:4320:5365:7276:6572 I get this message too - because the host irc.cc.tut.fi DOES have multiple addresses: %dig irc.cc.tut.fi ; DiG 9.6.2-P2 irc.cc.tut.fi ;; global options: +cmd ;; Got answer: ;; -HEADER- opcode: QUERY, status: NOERROR, id: 24710 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 0 ;; QUESTION SECTION: ;irc.cc.tut.fi. IN ;; ANSWER SECTION: irc.cc.tut.fi. 3134 IN 2001:708:310:4952:4320:5365:7276:6572 irc.cc.tut.fi. 3134 IN 2001:708:310:4952:4320:436c:6965:6e74 ;; AUTHORITY SECTION: cc.tut.fi. 172334 IN NS ns-secondary.funet.fi. cc.tut.fi. 172334 IN NS kaustinen.cc.tut.fi. cc.tut.fi. 172334 IN NS ressu.cc.tut.fi. ;; Query time: 0 msec ;; SERVER: 81.187.228.6#53(81.187.228.6) ;; WHEN: Thu Feb 3 15:34:06 2011 ;; MSG SIZE rcvd: 164 traceroute6 to irc.cc.tut.fi (2001:708:310:4952:4320:5365:7276:6572) from 2001:14b8:10:402:2::1, 64 hops max, 12 byte packets 1 2001:14b8:10:402:2::1 2026.908 ms !A 2999.587 ms !A 3000.423 ms !A From the traceroute6 manpage !A Destination Unreachable - Address Unreachable. It also appears that your first hop address is the same as your source address, which does suggest that routing is more than a little bit screwy. On my system I get: %traceroute6 -n irc.cc.tut.fi traceroute6: Warning: irc.cc.tut.fi has multiple addresses; using 2001:708:310:4952:4320:436c:6965:6e74 traceroute6 to irc.cc.tut.fi (2001:708:310:4952:4320:436c:6965:6e74) from 2001:8b0:cae3:1:20b:cdff:fef2:9a57, 64 hops max, 12 byte packets 1 2001:8b0:cae3:1:21a:a2ff:fe34:e50b 1.349 ms 0.969 ms 1.011 ms 2 2001:8b0:0:53:203:97ff:fe05:8000 129.118 ms 143.449 ms 119.622 ms 3 2001:7f8:4::50e8:1 132.075 ms 119.009 ms 117.983 ms 4 2001:7f8:4::1b1b:1 123.832 ms 114.424 ms 119.675 ms 5 2001:7f8:4::a2b:1 114.905 ms 119.009 ms 118.030 ms 6 2001:948:1:8::3 134.205 ms 143.579 ms 130.875 ms 7 2001:948:1:2::3 145.068 ms 145.049 ms 156.321 ms 8 2001:948:3:2::3 165.258 ms 171.228 ms 156.591 ms 9 2001:708:0:f000:0:60:3060:2 233.114 ms 163.319 ms 158.668 ms 10 2001:708:310::2 67.252 ms 58.513 ms 59.656 ms 11 2001:708:310:4952:4320:436c:6965:6e74 58.906 ms 58.310 ms 58.045 ms (I ran it with -n as I think in this case the raw IPv6 addresses are more informative than the rDNS lookups). So. Could this be problem in my configs or is this because of something wrong at the isp side? It does look as though there is something a little odd with your configs. It's difficult to be more specific because you've given very little information. If things at the router (whether yours or at the isp) are set up correctly then the single line in /etc/rc.conf ipv6_enable=YES should be sufficient to autoconfigure BOTH ipv6 address and routing using Router Discovery. This is all that I had to do on the machine I generated the above config dumps traces from. In my case my ISP (AAISP in the UK) have allocated me a /48 2001:8b0:cae3:: Traffic comes to me over a 6to4 tunnel from the ISP terminated on a Cisco router (though I tested it on a FreeBSD host before I got the 6to4 tunnel set up on the router). The LAN side interface of the router has Router Advertisements enabled which means that the above rc.conf line is all that is required for everything to just work. This one got solved at freebsd-net already with more information about my configs and system... It is problem at isp side instead of my configs... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
ipv6 problem
I have 2001:14b8:10:402::/64 ipv6 from my isp and I cant get it working. Ifconfig should be ok: backup# ifconfig rl0 inet6 rl0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500 options=8VLAN_MTU inet6 2001:14b8:10:402:2::1 prefixlen 64 default gateway is set to 2001:14b8:10:402:1::1. When I try to traceroute irc server for example I get this: traceroute6: Warning: irc.cc.tut.fi has multiple addresses; using 2001:708:310:4952:4320:5365:7276:6572 traceroute6 to irc.cc.tut.fi (2001:708:310:4952:4320:5365:7276:6572) from 2001:14b8:10:402:2::1, 64 hops max, 12 byte packets 1 2001:14b8:10:402:2::1 2026.908 ms !A 2999.587 ms !A 3000.423 ms !A So. Could this be problem in my configs or is this because of something wrong at the isp side? -- pepe ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
