[TriLUG] DHCP timeout with 10g hardware on rhel family

[Carl Crider]

Driver, perhaps.

Looks like a new one dropped on 4/11

http://tinyurl.com/3umh6tv*



*
On Wed, Apr 20, 2011 at 7:17 PM, Jimmy Dorff <jdorff at phy.duke.edu> wrote:

> Hi Folks,
>
> I have some hardware on which the ethernet link takes a little while to
> come up(*). I've noticed that DHCP to this hardware works under:
>
> * NetworkManager
> * Anaconda (both newer NM based and older RHEL 5)
>
> But under plain old red hat networking, "/etc/init.d/network" and "ifup",
> it generally times out with the error "failed: no link present. Check
> cable?". I say generally cause sometimes it does work.. it's pretty much a
> race condition.
>
> Clearly, I need to set a delay or change a timeout. I've tried settings
> timeouts in "/etc/dhclient.conf" but they don't seem to have any affect.
> "time ifup eth0" takes 6.1 seconds no matter what I set the timeouts to
> there. I can't seem to find the right place to set this.
>
> * Hardware info:
> /etc/modprobe.conf: alias eth0 ixgbe
> lspci: 03:00.0 Ethernet controller: Intel Corporation 82598EB 10-Gigabit AT
> Network Connection (rev 01)
> I've set spanning tree to "Port Fast: Yes" on the switch (Dell 8024)  as
> well.
>
> Any suggestions ?
>
> Thanks,
> Jimmy Dorff
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