On 2/21/18 12:25 PM, Ido Schimmel wrote: >> >> and can talk to the hosts: >> # ping6 ff02::2%br0 > > Can you try ff02::1 ?
same result. > >> PING ff02::2%br0(ff02::2) 56 data bytes >> 64 bytes from fe80::7efe:90ff:fee8:3a79: icmp_seq=1 ttl=64 time=0.073 ms >> 64 bytes from fe80::202:ff:fe00:2: icmp_seq=1 ttl=64 time=0.661 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:5: icmp_seq=1 ttl=64 time=0.705 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:1: icmp_seq=1 ttl=64 time=0.720 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:3: icmp_seq=1 ttl=64 time=0.729 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:6: icmp_seq=1 ttl=64 time=0.739 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:4: icmp_seq=1 ttl=64 time=0.748 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:7: icmp_seq=1 ttl=64 time=0.757 ms (DUP!) >> 64 bytes from fe80::202:ff:fe00:8: icmp_seq=1 ttl=64 time=0.766 ms (DUP!) >> >> but the hosts can not talk to each other: >> >> cumulus@host3:~$ net show lldp >> >> LocalPort Speed Mode RemoteHost RemotePort >> --------- ----- ------------ ----------- ---------- >> swp1 10G Interface/L3 mlx-2700-05 swp1s2 >> >> cumulus@host3:~$ ping6 3000:1000:1000:1000::2 >> PING 3000:1000:1000:1000::2(3000:1000:1000:1000::2) 56 data bytes >> ^C >> --- 3000:1000:1000:1000::2 ping statistics --- >> 3 packets transmitted, 0 received, 100% packet loss, time 1999ms > > Can you please try > > # brctl showstp br0 > > To make sure STP state is set to forwarding? it is. > > Does it matter if you try IPv4 ping or if vlan_filtering is set 1? > Unfortunately, I can't reproduce on my switch. Bring up the hosts and then reboot the switch. At that point I get no host to host communication. As soon as I flap the port on host1 host3 to host1 starts working. So it seems to be something about the initial boot state.
