[gentoo-user] multiple ethernets

[gentoo-user] multiple ethernets

[James]

Hello,

I've set up multiple ethernet cards before, where I use the cards
MAC address to ensure that the correct ethernet card is assigned
which ip address  in a mulit nic environment server.

I symlinked net.lo as usual to all of the cards and the conf.d/net
file looks like this:

mac_eth0="00:4F:49:01:6F:7A"
mac_eth1="00:4F:49:01:8A:BF"
mac_eth2="00:40:05:63:3D:3E"
mac_eth3="52:54:00:DC:C8:E7"
config_eth0=( "192.168.2.33/24" )
config_eth1=( "192.168.3.33/24" )
config_eth2=( "192.168.4.33/24" )
config_eth3=( "192.168.5.33/24" )


The problem is another card was removed and now
eth1 is skipped over and get after reboot:
<heavily snipped>
eth0      Link encap:Ethernet  HWaddr 00:4F:49:01:6F:7A
          inet addr:192.168.2.33  Bcast:192.168.2.255  Mask:255.255.255.0
eth2      Link encap:Ethernet  HWaddr 00:40:05:63:3D:3E
          inet addr:192.168.4.33  Bcast:192.168.4.255  Mask:255.255.255.0

eth3      Link encap:Ethernet  HWaddr 52:54:00:DC:C8:E7
          inet addr:192.168.5.33  Bcast:192.168.5.255  Mask:255.255.255.0
eth4      Link encap:Ethernet  HWaddr 52:54:00:DC:C8:E7
          BROADCAST MULTICAST  MTU:1500  Metric:1

I assume that the eth1 problem is a vestige of removing an old card
and replacing it with a newer one. I just cannot find what to remove
or re-initiate to get the sequence of nic assignments to be
eth0, eth1, eth2, eth3.

I looked at net.examples but somehow I've missed something else.

any ideas are most welcome.



James


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Re: [gentoo-user] multiple ethernets

[Elias Probst]

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On Tuesday 11 September 2007 20:51:44 James wrote:
> I assume that the eth1 problem is a vestige of removing an old card
> and replacing it with a newer one. I just cannot find what to remove
> or re-initiate to get the sequence of nic assignments to be
> eth0, eth1, eth2, eth3.
>
> I looked at net.examples but somehow I've missed something else.

Take a look at /etc/udev/rules.d/70-persistent-net.rules

Regards, Elias P.


-- 
A really nice number:
"09:F9:11:02:9D:74:E3:5B:D8:41:56:C5:63:56:88:C0"

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[gentoo-user] Re: multiple ethernets

[James]

Elias Probst <mail <at> eliasprobst.eu> writes:

> > I just cannot find what to remove
> > or re-initiate to get the sequence of nic assignments to be
> > eth0, eth1, eth2, eth3.

> > I looked at net.examples but somehow I've missed something else.

> Take a look at /etc/udev/rules.d/70-persistent-net.rules


Yep, Never even thought about udev files......
I need a vacation.

thx,

James

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Re: [gentoo-user] Re: multiple ethernets

[Mick]

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On Tuesday 11 September 2007, James wrote:
> Elias Probst <mail <at> eliasprobst.eu> writes:
> > > I just cannot find what to remove
> > > or re-initiate to get the sequence of nic assignments to be
> > > eth0, eth1, eth2, eth3.
> > >
> > > I looked at net.examples but somehow I've missed something else.
> >
> > Take a look at /etc/udev/rules.d/70-persistent-net.rules
>
> Yep, Never even thought about udev files......
> I need a vacation.

You could run udevstart first and see how (what order) it picks them up in.  
You may not need to set up permanent rules.
-- 
Regards,
Mick

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