>Number: 175236
>Category: kern
>Synopsis: epair and gif Devices On 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 Jan 12 16:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Shawn Webb
>Release: FreeBSD 9-STABLE
>Organization:
>Environment:
FreeBSD pwnie 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #2 r244139+c915ff4: Wed Dec
12 10:06:12 EST 2012 shawn@pwnie:/usr/obj/usr/src/sys/SEC amd64
>Description:
After adding a gif device to a bridge device, I cannot add epair devices to the
same bridge. The error I get is:
ifconfig: BRDGADD epair0a: Invalid argument
I'm using gif to give me tunneled IPv6 through Hurricane Electric. I'd like to
give my jails IPv6 addresses via epair devices. Adding both gif and epair
devices onto the bridge would give me that ability.
Here's my relevant networking config:
root@pwnie:/root # ifconfig bridge1
bridge1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1280
ether 02:fe:21:34:d3:01
inet6 2001:470:8142::2 prefixlen 48
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: gif0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 17 priority 128 path cost 55
root@pwnie:/root # ifconfig gif0
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
tunnel inet 192.168.3.10 --> 72.52.104.74
inet6 2001:470:1f04:1a28::2 --> 2001:470:1f04:1a28::1 prefixlen 128
inet6 fe80::be30:5bff:fea5:5dd%gif0 prefixlen 64 scopeid 0x11
inet6 2001:470:8142::1 prefixlen 48
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
options=1<ACCEPT_REV_ETHIP_VER>
>How-To-Repeat:
1) Create gif device: ifconfig gif0 create
2) Create epair device: ifconfig epair0 create
3) Create bridge device: ifconfig bridge0 create
4) Add gif0 to bridge0: ifconfig bridge0 addm gif0
5) Add epair0a to bridge0: ifconfig bridge0 addm epair0a
At this point, you will get the error I pasted above
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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