Re: build over eth1

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Hello Michael,


The system was added to cobbler using the following command:

cobbler system add --profile=CentOS-5.1-x86_64 --interface=0 -- ip=x..x.x.1 --mac=00:x:x:x:9A:F8 --gateway=x.x.x.254 --interface=1 --name=00:x:x:x:9A:F9

This is fine, in fact, interface=0 is the default, so you don't need to specify it. You can have any number of interfaces listed here (well, up to 8 currently), and you do not need to enter all of them into Cobbler, just the ones that you need to show up in the PXE Linux tree and possibly for DHCP reservations.

I assume the "x's" are just to not share the full details here and aren't literal.

Correct, I just removed the real life IP's from habit. The build network (eth1) are from private IP address space, and the eth0 interface IP's are public IP space.



where the IP x.x.x.1 is on the public interface (ethernet addr 00:x:x:x:9A:F8)
and ethernet 00:x:x:x:9A:F9 is on the build network interface


Is this the "right" way to go about this, or should I instead be modifying profiles/ks files?

You need to do both. If you have two network interfaces, your kickstart needs two network lines.

Basically you can use variables like $ip_address_intf0 and so forth in there to automate filling those in if you like, or just putting in two lines to tell both interfaces to dhcp. You might also be able to indicate the other interface should not be used there also.

I'd also recommend looking into ksdevice=link for kernel options.


Ah, that's the hint I think I needed - and have now found the section in the wiki. I was not understanding the use of the $ip_address_intf0 variable. Obviously I wanted to keep the ks files as generic as possible (all the systems are pretty much built the same), with just the IP's changing. using the 'cobbler system add' seemed the best way to do this.


thanks for your help,

Matt

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