From owner-freebsd-net  Fri Oct 20 16:10:49 2000
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Date: Fri, 20 Oct 2000 16:09:52 -0700 (PDT)
From: Rudy <rudy@monkeybrains.net>
To: Udo Erdelhoff <ue@nathan.ruhr.de>
Cc: freebsd-net@freebsd.org
Subject: Re: arp and bridging
In-Reply-To: <20001021001110.B2415@nathan.ruhr.de>
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On Sat, 21 Oct 2000, Udo Erdelhoff wrote:

_Hi,
_what's the output of "ifconfig -a" on bridge and pizza?

Ugly.

Now I'm starting to think that the bridge is mixing and matching MAC
address.  Hmmm.... maybe some code has a little bug.  Also, I now remember
reading about in the freebsd-net archives, but I can't find it.

 00:a0:c9:f2:fc:63 PHANTOOM
 00:d0:b7:1f:fc:63 Real

pizza> ifconfig -a
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 209.21.40.4 netmask 0xffffff00 broadcast 209.21.40.255
        inet 209.21.40.128 netmask 0xffffff00 broadcast 209.21.40.255
        ether 00:d0:b7:a6:34:16 
        media: autoselect (100baseTX) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX
10baseT/UTP <full-duplex> 10baseT/UTP

 
bridge# ifconfig -a
fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        inet 209.21.40.2 netmask 0xffffff00 broadcast 209.21.40.255
        ether 00:a0:c9:f2:72:84 
        media: autoselect (100baseTX <full-duplex>) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX
10baseT/UTP <full-duplex> 10baseT/UTP
xl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        ether 00:50:04:d9:b3:a2 
        media: autoselect (10baseT/UTP) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX
10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
xl1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        ether 00:01:02:3d:63:9a 
        media: autoselect (100baseTX) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX
10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000 

lala> ifconfig -a
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 209.21.40.3 netmask 0xffffff00 broadcast 209.21.40.255
        inet 209.21.40.15 netmask 0xffffff00 broadcast 209.21.40.255
        ether 00:d0:b7:1f:fc:63 


Rudy


---------------------------------------------------
    Join my ISP: http://www.monkeybrains.net/
---------------------------------------------------

_the phantom MAC address is intresting. From the Ethernet Codes page at
_http://www.cavebear.com/CaveBear/Ethernet/vendor.html
_00A0C9  Intel (PRO100B and PRO100+)     [used on Cisco PIX firewall among \
_                                        others]
_
_And what are the IP addresses of the boxes?
_
_/s/Udo
_



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