| 1 | # ip addr
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| 2 | 3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
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| 3 | link/ether 08:00:27:2b:19:68 brd ff:ff:ff:ff:ff:ff
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| 4 | inet6 fe80::a00:27ff:fe2b:1968/64 scope link
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| 5 | valid_lft forever preferred_lft forever
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| 6 |
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| 7 | # ping fe80::6924:e5b0:7c18:8897%enp0s8
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| 8 | PING fe80::6924:e5b0:7c18:8897%enp0s8(fe80::6924:e5b0:7c18:8897%enp0s8) 56 data bytes
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| 9 | From fe80::a00:27ff:fe2b:1968%enp0s8: icmp_seq=1 Destination unreachable: Address unreachable
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| 10 | From fe80::a00:27ff:fe2b:1968%enp0s8: icmp_seq=2 Destination unreachable: Address unreachable
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| 11 | From fe80::a00:27ff:fe2b:1968%enp0s8: icmp_seq=3 Destination unreachable: Address unreachable
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| 12 | ^C
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| 13 |
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| 14 | # ip -6 neigh
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| 15 | fe80::6924:e5b0:7c18:8897 dev enp0s8 FAILED
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| 16 |
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| 17 | # ndisc6 fe80::6924:e5b0:7c18:8897 enp0s8
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| 18 | Soliciting fe80::6924:e5b0:7c18:8897 (fe80::6924:e5b0:7c18:8897) on enp0s8...
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| 19 | Timed out.
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| 20 | Timed out.
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| 21 | Timed out.
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| 22 | No response.
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| 23 |
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| 24 | # ip6tables -L -v
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| 25 | Chain INPUT (policy DROP 0 packets, 0 bytes)
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| 26 | pkts bytes target prot opt in out source destination
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| 27 | 8 1192 ACCEPT all lo any anywhere anywhere
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| 28 | 3 240 ACCEPT all any any anywhere anywhere ctstate RELATED,ESTABLISHED
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| 29 | 2 152 ACCEPT ipv6-icmp any any anywhere anywhere
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| 30 |
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| 31 | Chain OUTPUT (policy ACCEPT 66 packets, 5360 bytes)
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| 32 | pkts bytes target prot opt in out source destination
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