On Tue, 2015-07-28 at 23:41 -0700, David Miller wrote: > Applied, thanks Eric. Thanks David
Note that IPv6 is completely broken after 'arp off' sequence. ND destination MAC are a copy of eth0 MAC address, instead of the required multicast. lpaa23:~# ip link set dev eth0 arp off lpaa23:~# ping6 4444::555:0027 PING 4444::555:0027(4444::555:27) 56 data bytes 02:05:13.742684 00:1a:11:c3:0d:7f > 00:1a:11:c3:0d:7f, ethertype IPv6 (0x86dd), length 118: 4444::555:23 > 4444::555:27: ICMP6, echo request, seq 1, length 64 02:05:14.742200 00:1a:11:c3:0d:7f > 00:1a:11:c3:0d:7f, ethertype IPv6 (0x86dd), length 118: 4444::555:23 > 4444::555:27: ICMP6, echo request, seq 2, length 64 ^C --- 4444::555:0027 ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 999ms lpaa23:~# ip link set dev eth0 arp on lpaa23:~# ip -6 neigh sh dev eth0 fe80::21a:11ff:fec3:d45 lladdr 00:1a:11:c3:0d:45 STALE 4444::555:26 FAILED 4444::555:25 FAILED lpaa23:~# ping6 4444::555:0027 PING 4444::555:0027(4444::555:27) 56 data bytes 02:12:15.698654 00:1a:11:c3:0d:7f > 00:1a:11:c3:0d:7f, ethertype IPv6 (0x86dd), length 118: 4444::555:23 > 4444::555:27: ICMP6, echo request, seq 1, length 64 02:12:16.698249 00:1a:11:c3:0d:7f > 00:1a:11:c3:0d:7f, ethertype IPv6 (0x86dd), length 118: 4444::555:23 > 4444::555:27: ICMP6, echo request, seq 2, length 64 02:12:17.698224 00:1a:11:c3:0d:7f > 00:1a:11:c3:0d:7f, ethertype IPv6 (0x86dd), length 118: 4444::555:23 > 4444::555:27: ICMP6, echo request, seq 3, length 64 ^C --- 4444::555:0027 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 1999ms lpaa23:~# ip -6 neigh flush dev eth0 lpaa23:~# ip -6 neigh sh dev eth0 4444::555:24 FAILED 4444::555:28 FAILED fe80::21a:11ff:fec3:d45 FAILED 4444::555:26 FAILED 4444::555:25 FAILED Oh well... -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
