On 2015/09/05 13:18, Dimitris Papastamos wrote:
> On Sat, Sep 05, 2015 at 12:39:21PM +0100, Stuart Henderson wrote:
> > On 2015/09/05 12:13, Dimitris Papastamos wrote:
> > > On Sat, Sep 05, 2015 at 12:04:20PM +0100, Dimitris Papastamos wrote:
> > > > Scenario 1 - boot with em0 active
> > > > 1) pinging via em0 works
> > > > 2) switch to iwn0, ping doesn't work <-- problem
> > > > 3) switch to em0, ping works
> > > > 4) sh /etc/netstart
> > > > 5) pinging via em0 works
> > > > 6) switch to iwn0, ping works
> > >
> > > Note that if I tcpdump on trunk0, I do not even see the echo
> > > request in step 2.
> > >
> >
> > Showing output of "ifconfig -A" at various stages might give some clue.
>
> Sorry yes I forgot to mention this. As you can see in the output below
> there is no difference between ifconfig -A in the problematic and working
> case except the signal strength.
>
> I also just realized that I made a mistake in Scenario 1. To get
> iwn0 to work in this trunk setup, I need to unplug the cable and _then_
> run sh /etc/netstart.
>
> 1) pinging via em0 works
> 2) switch to iwn0, ping doesn't work <-- problem
> 3) sh /etc/netstart
> 4) pinging via iwn0 works
>
> From this point on all further transitions work.
>
> The ifconfig -A output for step 1:
>
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
> priority: 0
> groups: lo
> inet6 ::1 prefixlen 128
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
> inet 127.0.0.1 netmask 0xff000000
> em0: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu
> 1500
> lladdr aa:bb:cc:dd:ee:ff
^^^^^^^^^^^^^^^^^
This obfuscation destroys exactly one of the things I was looking out for.
> priority: 0
> trunk: trunkdev trunk0
> media: Ethernet autoselect (100baseTX full-duplex,rxpause,txpause)
> status: active
> iwn0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
> lladdr aa:bb:cc:dd:ee:ff
> priority: 4
> trunk: trunkdev trunk0
> groups: wlan
> media: IEEE802.11 autoselect (DS1 mode 11g)
> status: active
> ieee80211: nwid FOO chan 6 bssid 00:11:22:33:44:55 -66dBm wpakey <not
> displayed> wpaprotos wpa1,wpa2 wpaakms psk wpaciphers tkip,ccmp
> wpagroupcipher tkip
> enc0: flags=0<>
> priority: 0
> groups: enc
> status: active
> trunk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> lladdr aa:bb:cc:dd:ee:ff
> priority: 0
> trunk: trunkproto failover
> trunkport iwn0
> trunkport em0 master,active
> groups: trunk egress
> media: Ethernet autoselect
> status: active
> inet 10.0.0.3 netmask 0xffffff00 broadcast 10.0.0.255
> pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33144
> priority: 0
> groups: pflog
>
> Diff between step 1 and step 2 (problematic case):
>
> --- 1 Sat Sep 5 13:07:55 2015
> +++ 2 Sat Sep 5 13:07:55 2015
> @@ -8,8 +8,8 @@
> lladdr aa:bb:cc:dd:ee:ff
> priority: 0
> trunk: trunkdev trunk0
> - media: Ethernet autoselect (100baseTX full-duplex,rxpause,txpause)
> - status: active
> + media: Ethernet autoselect (none)
> + status: no carrier
> iwn0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
> lladdr aa:bb:cc:dd:ee:ff
> priority: 4
> @@ -26,8 +26,8 @@
> lladdr aa:bb:cc:dd:ee:ff
> priority: 0
> trunk: trunkproto failover
> - trunkport iwn0
> - trunkport em0 master,active
> + trunkport iwn0 active
> + trunkport em0 master
> groups: trunk egress
> media: Ethernet autoselect
> status: active
>
> Diff between step 1 and step 4 (working case):
>
> --- 1 Sat Sep 5 13:07:55 2015
> +++ 5 Sat Sep 5 13:07:55 2015
> @@ -8,8 +8,8 @@
> lladdr aa:bb:cc:dd:ee:ff
> priority: 0
> trunk: trunkdev trunk0
> - media: Ethernet autoselect (100baseTX full-duplex,rxpause,txpause)
> - status: active
> + media: Ethernet autoselect (none)
> + status: no carrier
> iwn0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
> lladdr aa:bb:cc:dd:ee:ff
> priority: 4
> @@ -17,7 +17,7 @@
> groups: wlan
> media: IEEE802.11 autoselect (DS1 mode 11g)
> status: active
> - ieee80211: nwid FOO chan 6 bssid 00:11:22:33:44:55 -66dBm wpakey <not
> displayed> wpaprotos wpa1,wpa2 wpaakms psk wpaciphers tkip,ccmp
> wpagroupcipher tkip
> + ieee80211: nwid FOO chan 6 bssid 00:11:22:33:44:55 -87dBm wpakey <not
> displayed> wpaprotos wpa1,wpa2 wpaakms psk wpaciphers tkip,ccmp
> wpagroupcipher tkip
> enc0: flags=0<>
> priority: 0
> groups: enc
> @@ -26,8 +26,8 @@
> lladdr aa:bb:cc:dd:ee:ff
> priority: 0
> trunk: trunkproto failover
> - trunkport iwn0
> - trunkport em0 master,active
> + trunkport iwn0 active
> + trunkport em0 master
> groups: trunk egress
> media: Ethernet autoselect
> status: active
>
