Date: Wed, 03 Sep 2014 00:34:14 +0200 From: Marek Salwerowicz <marek_sal@wp.pl> To: "Dustin J. Mitchell" <dustin@v.igoro.us>, Marek Salwerowicz <marek_sal@wp.pl> Cc: freebsd-net@freebsd.org, Peter Jeremy <peter@rulingia.com> Subject: Re: bridging VLAN interfaces and STP Message-ID: <540645E6.2050809@wp.pl> In-Reply-To: <CAJtE5vQxeaufx2LPYxOHcixhm5QiV49Y7Ab2DkpKhSdbE0_YUA@mail.gmail.com> References: <CAJtE5vRq8oJz1f8ujsTSjGJjoEMp_J-n6Nqj0YCUd_nrScnPqA@mail.gmail.com> <CAJtE5vQLdtXtyejKUHkX1DKfVS-SaVF4n3=nfA%2BecH4Jhn3VXQ@mail.gmail.com> <20120827094956.GA93853@server.rulingia.com> <CAJtE5vSQ2W_H_jsr=BA7e0pcU1wJ_qiKHTSc3W2AuWbWgAjvpA@mail.gmail.com> <20120901215514.GA84970@server.rulingia.com> <CAJtE5vQn-ToGhMqPw3By8M4Mi_ycpkR33qxQRwT=ezKv5PTmhg@mail.gmail.com> <540625B4.6040907@wp.pl> <CAJtE5vQxeaufx2LPYxOHcixhm5QiV49Y7Ab2DkpKhSdbE0_YUA@mail.gmail.com>
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W dniu 2014-09-02 o 22:27, Dustin J. Mitchell pisze: > No, I never figured it out. I never really even got Peter to > understand the problem - he was still asking about whether STP packets > were on the wire when I left the issue, yet the problem is interface > configuration, not traffic. > > FreeBSD doesn't support configuring STP on VLAN interfaces - whether > that's a bug or a feature is for someone else to decide. I can > confirm it is still the case: Does the bridge without STP work for you ? What do you actually bridge? As I see, there are 2 physical interfaces and 1 vlan I am wondering if the STP is really necessary for bridging vlan with wlan0 interface, but so far I can't figure out the answer Marek > > hilbert ~ # sysctl -n kern.osrelease kern.ostype > 9.2-RELEASE-p10 > FreeBSD > hilbert ~ # ifconfig bridge10 > bridge10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > ether 02:f4:a1:63:5a:0a > inet6 fe80::f4:a1ff:fe63:5a0a%bridge10 prefixlen 64 scopeid 0xd > inet 172.16.1.21 netmask 0xffffff00 broadcast 172.16.1.255 > inet 172.16.1.1 netmask 0xffffffff broadcast 172.16.1.1 > inet6 2001:470:1f11:826::1:15 prefixlen 64 > inet6 2001:470:1f11:826::1:1 prefixlen 128 > nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15 > maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 > root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0 > member: vr3 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 4 priority 128 path cost 55 > member: vr2 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 3 priority 128 path cost 200000 > member: vr1.10 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 9 priority 128 path cost 200000 > hilbert ~ # ifconfig vr1.10 > vr1.10: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> > metric 0 mtu 1500 > ether 00:00:24:ce:ec:95 > inet6 fe80::200:24ff:fece:ec95%vr1.10 prefixlen 64 scopeid 0x9 > nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > vlan: 10 parent interface: vr1 > hilbert ~ # ifconfig bridge10 stp vr1.10 > ifconfig: unable to set bridge flags: Invalid argument > > Dustin > > On Tue, Sep 2, 2014 at 4:16 PM, Marek Salwerowicz <marek_sal@wp.pl> wrote: >> Hello Dustin, >> >> W dniu 2012-09-02 o 01:13, Dustin J. Mitchell pisze: >>> On Sat, Sep 1, 2012 at 5:55 PM, Peter Jeremy<peter@rulingia.com> wrote: >>>>> That looks like RSTP is enabled on both bridge10 and bridge20 but is >>>>> not seeing incoming [R]STP packets. Are you sure the switch connected >>>>> to vr1 is configured with per-VLAN STP (this is probably not the >>>>> switch default). >>>>> >>>>> Have you tried running tcpdump on vr1 and checked that you are seeing >>>>> STP packets within the VLANs. >>> Actually, if you compare with my original ifconfig, you'll see that >>> this particular arrangement shows STP as enabled on the bridge, but >>> not on any of the members (no STP in their options. In the OP, you >>> can see that the vr{2,3} get STP in their flags >>> (<LEARNING,DISCOVER,STP,AUTOEDGE,AUTOPTP>) while vr1.10 does not. >>> That, and the error message from the 'ifconfig bridge10 stp vr1.10' >>> command.. >> >> >> I'd like to ask if have you managed to figure out this issue? I am facing >> more or less the same problem >> >> I have set up multiple VLANs on my FreeBSD box and now would like to bridge >> WiFi adapter (wlan0) with only one vlan: >> >> When I try to configure bridge: >> >> % sudo ifconfig bridge create >> % sudo ifconfig bridge addm wlan0 >> % sudo ifconfig bridge addm vlan1200 >> bridge0: error setting interface capabilities on vlan1200 >> % sudo ifconfig bridge stp wlan0 >> % sudo ifconfig bridge0 stp vlan1200 >> ifconfig: unable to set bridge flags: Invalid argument >> >> % ifconfig bridge0 >> bridge0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 >> ether 02:8e:2e:18:3e:00 >> nd6 options=9<PERFORMNUD,IFDISABLED> >> id 04:f0:21:0f:77:d7 priority 32768 hellotime 2 fwddelay 15 >> maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 >> root id 04:f0:21:0f:77:d7 priority 32768 ifcost 0 port 0 >> member: vlan1200 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> >> ifmaxaddr 0 port 6 priority 128 path cost 20000 >> member: wlan0 flags=147<LEARNING,DISCOVER,STP,AUTOEDGE,AUTOPTP> >> ifmaxaddr 0 port 11 priority 128 path cost 33333 proto rstp >> role designated state discarding >> >> >> If I change vlan1200 to physical interface, everything works without any >> problems.. >> >> Do you have any idea? >> >> Cheers, >> >> Marek >> >> >>
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