Network interface restart
Bram Schoenmakers
bramschoenmakers at xs4all.nl
Wed May 9 10:31:22 UTC 2007
Hi,
I tried to reduce the MTU of a network interface on a remote FreeBSD 6.2
machine.
So that means changing this line in rc.conf:
ifconfig_bge0="inet xxx.xxx.xxx.xxx netmask 255.255.255.128"
to
ifconfig_bge0="inet xxx.xxx.xxx.xxx netmask 255.255.255.128 mtu 1472"
Of course, there's a real IP address set.
Then, I tried to restart the network interface:
/etc/rc.d/netif restart
which went horribly wrong. I lost connection and wasn't able to reconnect. I
tried to run this in some 'fallback' script, which automatically should
restore the old configuration and restarting the network interface again
after 5 minutes. Even if that failed, it should reboot the machine. But
somehow the script was aborted, although I ran it in a 'screen' session over
SSH. So the last resort was a manual reboot, which started the interface
with MTU 1472 just fine.
Could someone please point out where I made the mistake?
Thanks in advance,
--
Bram Schoenmakers
What is mind? No matter. What is matter? Never mind.
(Punch, 1855)
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