ping6
root@server1:/home/server1# ifconfig eth0 Link encap:Ethernet HWaddr 00:23:ae:27:b9:ec UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:16 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:41 errors:0 dropped:0 overruns:0 frame:0 TX packets:41 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3589 (3.5 KiB) TX bytes:3589 (3.5 KiB) wlan0 Link encap:Ethernet HWaddr 00:24:2c:49:d1:d8 inet addr:192.168.1.6 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::224:2cff:fe49:d1d8/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:54 errors:0 dropped:0 overruns:0 frame:6492 TX packets:100 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:5617 (5.4 KiB) TX bytes:12808 (12.5 KiB) Interrupt:17 Base address:0xc000 root@server1:/home/server1# ping6 localhost PING localhost(localhost.wmcomputersystems) 56 data bytes ping: sendmsg: Network is unreachable
/etc/hosts
#127.0.0.1 localhost #::ffff:7f00:1 localhost.wmcomputersystems ::1 #::1 localhost.wmcomputersystems localhost #127.0.1.1 server1 2620:7:a000::1 server1.wmcomputersystems.com server1 #127.0.0.1 localhost.localdomain localhost #::1 localhost6.localdomain6 localhost6 ::1 localhost ipv6-localhost ipv6-loopback # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters
