On 03/08/2011 10:42 AM, ann kok wrote: > Hi > > Thank you for your help > > I type the ifconfig -a > > there is ipv6 address > > inet6 fe80::20c:29ff:fe3c:92a1/64 scope link tentative > > i also add one > > inet6 2001:db8:cafe:1111::12/64 scope global tentative > > but both are not pingable by ping6 > > > Here are commands you suggested me to run > > route -n -A inet6 > Kernel IPv6 routing table > Destination Next Hop Flags Metric Ref Use Iface > 2001:db8:cafe:1111::/64 :: U 256 0 0 eth0 > fe80::/64 :: U 256 0 0 eth0 > ::1/128 :: U 0 2 1 lo > ff00::/8 :: U 256 0 0 eth0 > > > ip -6 route > 2001:db8:cafe:1111::/64 dev eth0 metric 256 expires 21334307sec mtu 1500 advmss 1440 hoplimit 4294967295 > fe80::/64 dev eth0 metric 256 expires 21330690sec mtu 1500 advmss 1440 hoplimit 4294967295 > > > I can't ping ipv6.google.com but I should ping the eth0 ipv6 as it is host ip address. Right? > > Thank you for your help. > > > > > --- On Tue, 3/8/11, Jakub Jedelsky<jakub.jedelsky at gmail.com> wrote: > > >> From: Jakub Jedelsky<jakub.jedelsky at gmail.com> >> Subject: Re: [CentOS] what wrong about my ipv6 address >> To: "CentOS mailing list"<centos at centos.org> >> Received: Tuesday, March 8, 2011, 3:36 AM >> Dne 7.3.2011 20:56, ann kok >> napsal(a): >> >>> Hi >>> >>> I used the command "ip -6 addr add >>> >> 2001:DB8:CAFE:1111::12/64 dev eth0" >> >>> to add ipv6 address and can see it in ifconfig >>> >>> but can't ping it >>> >>> Why? >>> >>> Thank you >>> >>> # ping6 2001:db8:cafe:1111::12 >>> PING 2001:db8:cafe:1111::12(2001:db8:cafe:1111::12) 56 >>> >> data bytes >> >>> > From ::1 icmp_seq=1 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=2 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=3 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=5 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=6 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=7 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=9 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=10 Destination unreachable: >>> >> Address unreachable >> >>> > From ::1 icmp_seq=11 Destination unreachable: >>> >> Address unreachable >> >>> >>> >> hi, >> >> have you correctly set gateway? Send `ip -6 route` and >> `route -n -A >> inet6` to us. What about to ping ipv6.google.com from this >> pc? >> Where did you run ping command? Have you IPv6 enabled >> there? "From ::1" >> looks like something is misconfigured.. >> >> JJ >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> >> > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > can you ping6 ::1 ? what does ip6tables -L -n show? Have you looked at http://tldp.org/HOWTO/Linux+IPv6-HOWTO/ ??? -- Stephen Clark *NetWolves* Sr. Software Engineer III Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com http://www.netwolves.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110308/517d7257/attachment-0005.html>