Date: Sat, 8 Jun 2013 16:35:05 GMT From: Tiago Daniel Jacobs <os@tdj.cc> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/179429: STP enabled tap bridge Message-ID: <201306081635.r58GZ5Xs074492@oldred.freebsd.org> Resent-Message-ID: <201306081640.r58Ge0Ti068794@freefall.freebsd.org>
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>Number: 179429
>Category: misc
>Synopsis: STP enabled tap bridge
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Jun 08 16:40:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Tiago Daniel Jacobs
>Release: 8.1-RELEASE-p13
>Organization:
iMDT.com.br
>Environment:
FreeBSD ht2p7-router.ht2p.local 8.1-RELEASE-p13 FreeBSD 8.1-RELEASE-p13 #1: Fri Apr 12 10:58:43 EDT 2013 root@snapshots-8_1-amd64.builders.pfsense.org:/usr/obj.pfSense/usr/pfSensesrc/src/sys/pfSense_SMP.8 amd64
>Description:
Create two tap interfaces and include in a bridge.
Enable STP on the interfaces.
The TAP interfaces will be "role disabled state discarding".
It avoid us to create redundant layer2 VPN using openvpn.
>How-To-Repeat:
ifconfig tap10 create
ifconfig tap11 create
ifconfig bridge1 create
ifconfig bridge1 addm tap10
bridge1 addm tap11
ifconfig bridge1
bridge1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 02:3e:35:58:14:01
id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
root id 00:00:00:00:00:00 priority 0 ifcost 0 port 0
member: tap11 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 15 priority 128 path cost 2000000
member: tap10 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 14 priority 128 path cost 2000000
ifconfig tap10 up
ifconfig tap11 up
ifconfig bridge1 stp tap10
ifconfig bridge1 stp tap11
ifconfig bridge1
bridge1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 02:3e:35:58:14:01
id 00:bd:12:22:00:01 priority 32768 hellotime 2 fwddelay 15
maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
root id 00:bd:12:22:00:01 priority 32768 ifcost 0 port 0
member: tap11 flags=147<LEARNING,DISCOVER,STP,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 15 priority 128 path cost 2000000 proto rstp
role disabled state discarding
member: tap10 flags=147<LEARNING,DISCOVER,STP,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 14 priority 128 path cost 2000000 proto rstp
role disabled state discarding
>Fix:
Not sure, but i found a discussion on the following link.
http://unix.derkeiler.com/Mailing-Lists/FreeBSD/net/2008-09/msg00207.html
>Release-Note:
>Audit-Trail:
>Unformatted:
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