>>> On 5/5/2011 at 12:49 PM, Christian Paro <[email protected]> wrote: 
-snip-
> Putting the ipv6 kernel module in the initrd should solve the problem of the
> module not being loaded on time. But I'm not sure it would solve the issue
> of the sysctls not having the corresponding sysfs nodes to configure (since
> these, I gather, are created as the network is being brought up). And,

To my knowledge, the sysctl command doesn't even look at /sys, only /proc.

> unless there's an easier and "safer" way to modify the initrd for SLES than
> unpacking it to a temporary location, adding/modifying files, and repacking
> it with gzip and cpio, I'm not sure this is an approach I would advocate for
> administrators who aren't used to building kernels/ramdisks (or are nervous
> about breaking support agreements and assumptions). I know I'm used to doing
> these kinds of modifications on personal systems, but personally would
> prefer to stick with the distro-provided kernel and initial ramdisk for
> anything being used in a production environment.

This I can help with.  Add "ipv6" to the INITRD_MODULES string in 
/etc/sysconfig/kernel and re-run mkinitrd.  That's why it's there.

-snip-
> Also, using a layer-3 vswitch prevents autoconfiguration. But it also
> prevents the use of IPv6 altogether for interfaces backed by that switch,

Oh?  That's news to me.  If correct, that sounds like a bug in CP.


Mark Post

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