[NTLUG:Discuss] Ubuntu-8.10 [udev] handling of NICs
terry
trryhend at gmail.com
Sat Feb 28 10:47:54 CST 2009
I've added another NIC to a Ubuntu 8.10 machine because the on-board
NIC died and was wanting to make sure network settings will stay as I
have set them, (in spite of the network-manager and udev etc...).
(Needs to be static IP.)
I see the following lines in /etc/udev/rules.d/70-persistent-net.rules
=================================
# PCI device 0x10de:0x00df (forcedeth)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:30:1b:ba:28:f0", ATTR{type}=="1", KERNEL=="eth*",
NAME="eth0"
# PCI device 0x1186:0x1300 (8139too)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:50:ba:4d:60:d2", ATTR{type}=="1", KERNEL=="eth*",
NAME="eth1"
=================================
Question #1) Does the above config file assure me that the NICs won't
trade places?
Question #2) Since this computer will always use static IP, would it
be a good idea to un-install network-manager? Or, is that not really
necessary?
I edited /etc/network/interfaces and added lines:
============================
auto eth1
iface eth1 inet static
address 192.xxx.xxx.xxx
netmask 255.255.255.0
network 192.xxx.xxx.0
broadcast 192.xxx.xxx.255
gateway 192.xxx.xxx.1
======================
And I now see that when you "Edit connections" in the network manager,
you only see "Auto eth0" That is probably a good thing, [in this
case], (that editing eth1 is no longer an option), but just wondering
if something else should be done to keep it reliable. (This computer
belongs to a friend that is not very computer savvy and I'm trying to
keep it working reliably for her.)
I also added
/sbin/route add default gw 10.182.110.1
to /etc/rc.local so that the default gw will stay correct after
reboot. (Probably not the best way, but... it is all I could think of
in a hurry. ?)
(Things seem to have changed since I last dealt with this sort of issue.)
Thanks in advance for any enlightenment / advice on this issue. (I'm
pretty sure there are better / easier ways to do what I've just done.)
--
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