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Date:      Fri, 10 Aug 2012 15:38:54 +0200
From:      Cos <rosettas@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   How to refresh network card buffer?
Message-ID:  <CAKV%2BxLBfHAmzjQeB%2BEE_rGA12vWwMvFok%2B1YS-K2eY2SYeXpEg@mail.gmail.com>

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Hi all

The background is I have around 100pcs router-like products. they all
have a fixed IP address 192.168.1.100 and of course different MAC
address.

I need to connect them one by one to configure.

The trouble is while I disconnect one unit and change to another unit,
the FreeBSD can not recognize the unit immediately. It need around
more than 10 minutes to ping 192.168.1.200 successfully.

I can refresh it by "ifconfig ue0 down" and "ifconfig ue0 up", it
works but I think the way is not smart.

I guess there is something like buffer to record IP and MAC pair has
to be cleaned. Could anybody advise?

-- 
with kind regards



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