CentOS 7 - How to set ipv6 ?
by ddenial from LinuxQuestions.org on (#4SFHD)
Hello
OS: CentOS 7.7
How to setup ipv6? I'm not able to ping with ipv6. Following is my connection details:
Code:$ ip address show dev enp3s0
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether d0:50:99:6a:22:12 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.7/24 brd 192.168.1.255 scope global noprefixroute enp3s0
valid_lft forever preferred_lft forever
inet6 fe80::6e72:e5ae:d9b4:a5c5/64 scope link noprefixroute
valid_lft forever preferred_lft forever
$ ip route
default via 192.168.1.1 dev enp3s0 proto static metric 100
192.168.1.0/24 dev enp3s0 proto kernel scope link src 192.168.1.7 metric 100
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
$ ip -6 route
unreachable ::/96 dev lo metric 1024 error -113 pref medium
unreachable ::ffff:0.0.0.0/96 dev lo metric 1024 error -113 pref medium
unreachable 2002:a00::/24 dev lo metric 1024 error -113 pref medium
unreachable 2002:7f00::/24 dev lo metric 1024 error -113 pref medium
unreachable 2002:a9fe::/32 dev lo metric 1024 error -113 pref medium
unreachable 2002:ac10::/28 dev lo metric 1024 error -113 pref medium
unreachable 2002:c0a8::/32 dev lo metric 1024 error -113 pref medium
unreachable 2002:e000::/19 dev lo metric 1024 error -113 pref medium
unreachable 3ffe:ffff::/32 dev lo metric 1024 error -113 pref medium
fe80::/64 dev enp3s0 proto kernel metric 100 pref medium
default via fe80::1 dev enp3s0 proto ra metric 100 pref low
$ ping -c2 google.com
PING google.com (216.58.197.78) 56(84) bytes of data.
64 bytes from maa03s21-in-f14.1e100.net (216.58.197.78): icmp_seq=1 ttl=54 time=50.2 ms
64 bytes from maa03s21-in-f14.1e100.net (216.58.197.78): icmp_seq=2 ttl=54 time=49.8 ms
--- google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 49.858/50.063/50.269/0.303 ms
$ ping6 -c2 google.com
PING google.com(maa03s31-in-x0e.1e100.net (2404:6800:4007:812::200e)) 56 data bytes
From gateway (fe80::1%enp3s0) icmp_seq=1 Destination unreachable: No route
From gateway (fe80::1%enp3s0) icmp_seq=2 Destination unreachable: No route
--- google.com ping statistics ---
2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 1001ms
$ cat /etc/sysconfig/network-scripts/ifcfg-enp3s0
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp3s0
UUID=2f58512e-0c88-4740-a044-161fca218634
DEVICE=enp3s0
ONBOOT=yes
IPADDR=192.168.1.7
PREFIX=24
GATEWAY=192.168.1.1
DNS1=192.168.1.7
DOMAIN="xxxxxx.xxx kvm.lab"
IPV6_PRIVACY=no
Appreciate any help. Thanks
OS: CentOS 7.7
How to setup ipv6? I'm not able to ping with ipv6. Following is my connection details:
Code:$ ip address show dev enp3s0
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether d0:50:99:6a:22:12 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.7/24 brd 192.168.1.255 scope global noprefixroute enp3s0
valid_lft forever preferred_lft forever
inet6 fe80::6e72:e5ae:d9b4:a5c5/64 scope link noprefixroute
valid_lft forever preferred_lft forever
$ ip route
default via 192.168.1.1 dev enp3s0 proto static metric 100
192.168.1.0/24 dev enp3s0 proto kernel scope link src 192.168.1.7 metric 100
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
$ ip -6 route
unreachable ::/96 dev lo metric 1024 error -113 pref medium
unreachable ::ffff:0.0.0.0/96 dev lo metric 1024 error -113 pref medium
unreachable 2002:a00::/24 dev lo metric 1024 error -113 pref medium
unreachable 2002:7f00::/24 dev lo metric 1024 error -113 pref medium
unreachable 2002:a9fe::/32 dev lo metric 1024 error -113 pref medium
unreachable 2002:ac10::/28 dev lo metric 1024 error -113 pref medium
unreachable 2002:c0a8::/32 dev lo metric 1024 error -113 pref medium
unreachable 2002:e000::/19 dev lo metric 1024 error -113 pref medium
unreachable 3ffe:ffff::/32 dev lo metric 1024 error -113 pref medium
fe80::/64 dev enp3s0 proto kernel metric 100 pref medium
default via fe80::1 dev enp3s0 proto ra metric 100 pref low
$ ping -c2 google.com
PING google.com (216.58.197.78) 56(84) bytes of data.
64 bytes from maa03s21-in-f14.1e100.net (216.58.197.78): icmp_seq=1 ttl=54 time=50.2 ms
64 bytes from maa03s21-in-f14.1e100.net (216.58.197.78): icmp_seq=2 ttl=54 time=49.8 ms
--- google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 49.858/50.063/50.269/0.303 ms
$ ping6 -c2 google.com
PING google.com(maa03s31-in-x0e.1e100.net (2404:6800:4007:812::200e)) 56 data bytes
From gateway (fe80::1%enp3s0) icmp_seq=1 Destination unreachable: No route
From gateway (fe80::1%enp3s0) icmp_seq=2 Destination unreachable: No route
--- google.com ping statistics ---
2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 1001ms
$ cat /etc/sysconfig/network-scripts/ifcfg-enp3s0
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp3s0
UUID=2f58512e-0c88-4740-a044-161fca218634
DEVICE=enp3s0
ONBOOT=yes
IPADDR=192.168.1.7
PREFIX=24
GATEWAY=192.168.1.1
DNS1=192.168.1.7
DOMAIN="xxxxxx.xxx kvm.lab"
IPV6_PRIVACY=no
Appreciate any help. Thanks