On Fri, 13 Nov 2015, 米山陽介 wrote: >> Try >> >> ping6 -I eth1 2000:8000:12:6:192:168:11:8 > > Thanks for the response. > > I tried. > However, It did not resolve.... > > # ping6 -I eth1 2000:8000:12:6:192:168:11:8 > PING 2000:8000:12:6:192:168:11:8(2000:8000:12:6:192:168:11:8) from > fe80::a00:27ff:fe03:5b8a eth1: 56 data bytes First off, I assume you can ping your link-local address: ping6 -I eth1 fe80::a00:27ff:fe03:5b8a Second, you never mentioned how eth1 was assigned its IPv6 address. Given that you've tried to embed an IPv4 address within an IPv6 address (which is normally done with a 0:0:0:0:0: prefix), I'd guess you did it manually. If so, with what tools? > > On 2015/11/13 2:22, Paul Heinlein wrote: >> On Thu, 12 Nov 2015, 米山陽介 wrote: >> >> > Hello >> > >> > Because I did not send , and then retransmitted. >> > >> > I am using the CentOS5.7. >> > In a state where the link down, I did a ping to the IPv4 and IPv6. >> > IPv4 succeeds in ping. but, IPv6 is ping fails. >> > Once confirmed by ifconfig, it did not have a Link-Local Address. >> > At link down, Is the Link-Local Address not set? >> > Leave the link down, Is there a way to avoid this? >> > >> > # ethtool eth1 >> > Settings for eth1: >> > ～ >> > Link detected: no >> > >> > # ifconfig eth1 >> > eth1 Link encap:Ethernet HWaddr 08:00:27:83:74:54 >> > inet addr:192.168.11.8 Bcast:192.168.11.255 >> > Mask:255.255.255.0 >> > inet6 addr: 2000:8000:12:6:192:168:11:8/64 Scope:Global >> > UP BROADCAST MULTICAST MTU:1500 Metric:1 >> > RX packets:786 errors:0 dropped:0 overruns:0 frame:0 >> > TX packets:289 errors:0 dropped:0 overruns:0 carrier:0 >> > collisions:0 txqueuelen:1000 >> > RX bytes:81093 (79.1 KiB) TX bytes:46507 (45.4 KiB) >> > >> > # ping 192.168.11.8 >> > PING 192.168.11.8 (192.168.11.8) 56(84) bytes of data. >> > 64 bytes from 192.168.11.8: icmp_seq=1 ttl=64 time=0.033 ms >> > 64 bytes from 192.168.11.8: icmp_seq=2 ttl=64 time=0.019 ms >> > ～ >> > >> > # ping6 2000:8000:12:6:192:168:11:8 >> > PING 2000:8000:12:6:192:168:11:8(2000:8000:12:6:192:168:11:8) 56 data >> > bytes >> >> Try >> >> ping6 -I eth1 2000:8000:12:6:192:168:11:8 >> >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > > -- Paul Heinlein heinlein at madboa.com 45°38' N, 122°6' W