From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f173.google.com ([209.85.192.173]:46935 "EHLO mail-pf0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751461AbeBUTlK (ORCPT ); Wed, 21 Feb 2018 14:41:10 -0500 Received: by mail-pf0-f173.google.com with SMTP id z24so1077424pfh.13 for ; Wed, 21 Feb 2018 11:41:10 -0800 (PST) Subject: Re: [patch net-next] mlxsw: spectrum_switchdev: Allow port enslavement to a VLAN-unaware bridge To: Ido Schimmel Cc: Jiri Pirko , netdev@vger.kernel.org, davem@davemloft.net, idosch@mellanox.com, mlxsw@mellanox.com References: <20180220074512.4307-1-jiri@resnulli.us> <20180221192535.GA15987@splinter.mtl.com> From: David Ahern Message-ID: <0d76d387-ff27-eb8e-c37f-9a77f2b276b0@gmail.com> Date: Wed, 21 Feb 2018 12:41:39 -0700 MIME-Version: 1.0 In-Reply-To: <20180221192535.GA15987@splinter.mtl.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org List-ID: 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.