Michael A. Peters schrieb:
I'm looking through the ifup script and I don't see a way to ensure
that a specific configuration is applied to a specific MAC address.
The issue I'm having is that I have two nics - one configured at boot
and the other not - but it seems random which one is actually seen at
eth0 and which is seen as eth1.
Is there a way (IE setting variable in ipv4 file) to make sure it
brings up eth0 by hardware address? Because if so, I don't seem to be
seeing it.
In RHEL you just set HWADDR in the nic config which is then used by
the script /etc/sysconfig/network-functions
Browsing that script it looks like there is way via /sbin/ip to set
the interface to a specific mac address before calling
ip link set ${NET_IF} up
but before I try and hack something myself in I want to know if I'm
just missing something simple that's already there.
It's curious to me that sometimes at boot it wants eth0 to be onboard
nvidia nic (which I have found to be problematic with my hub - but it
works well if I bypass the hub and go straight to router
interestingly) and sometimes it wants eth0 to be the tulip nic (which
works well and is what the cat5 is plugged into)
Thanks for any suggestions
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hi,
you must use udev for handling your nic's. somthing like this:
/etc/udev/rules.d/90-user.rules
# Networkdevice handling
KERNEL=="eth*", SYSFS{address}=="00:13:d4:85:11:da", NAME="lan"
KERNEL=="eth*", SYSFS{address}=="00:c0:26:00:be:9f", NAME="gateway"
or so:
/etc/udev/rules.d/70-persistent-net.rules
# net device
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:0b:cd:26:83:66", ATTR{type}=="1", KERNEL=="eth*",
NAME="eth1"
# net device
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:04:75:af:82:97", ATTR{type}=="1", KERNEL=="eth*",
NAME="eth0"
theoretically you have a script /lib/udev/write_net_rules which will
handle the nic's. this script should add this 'persistent-net.rules'
file. after creating this rule, you can leave it as is or modify to your
choice. udev will rename the nic's after every reboot after this rule.
mike / germany
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