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Date: Thu, 10 Apr 2008 15:02:55 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: freebsd-questions@freebsd.org
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Subject: if_bridge - what i do wrong
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[root@wojtek ~]# ifconfig bridge0 addm tap0
ifconfig: BRDGADD tap0: Invalid argument
     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

why?

[root@wojtek ~]# ifconfig bridge0
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
         inet6 2001:XXXX:XXXX:XXXX::1 prefixlen 64
         inet 10.255.245.1 netmask 0xffffff00 broadcast 10.255.245.255
         ether 5a:81:5a:a6:e6:38
         priority 32768 hellotime 2 fwddelay 15 maxage 20
[root@wojtek ~]# ifconfig tap0
tap0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
         inet6 fe80::2bd:2cff:fe1d:0%tap0 prefixlen 64 scopeid 0x3
         ether 00:bd:2c:1d:00:00