According to these docs an MTU can be specified in the kickstart script.
It doesn't say much more than that though.
http://www.centos.org/docs/5/html/Installation_Guide-en-US/s1-kickstart2-options.html
The reason for nfs and an mtu of 4500 is complicated and not in my
control. This is being used in a beowulf cluster environment.
The process I'm following is currently working for kickstarting Fedora
Core 4 installs, so I am hopeful it will work in centos.
Adam
On Tue, 29 Jan 2008, nate wrote:
Adam Miller wrote:
Are there any known issues with kickstarting over nfs with jumbo frames?
Is the system your kickstarting configured with jumbo frames? Last I checked
I didn't see an option to enable jumbo frames during kickstart.
If not, are you able to force TCP for NFS? UDP doesn't have MTU
discovery as far as I know, so traffic will likey fail.
Any reason not to use HTTP for kickstart? Faster, simpler, runs
over TCP..
On my networks I only run jumbo frames on dedicated interfaces and
VLANs, not on the main network, causes too many compatibility problems
otherwise. Curious why your using a MTU of 4500? Seems like an unusual
number, common MTU for jumbo is 9000.
nate
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