The system rejects any mtu larger than 1518. We've had lots of other issues
with it as well, so we've basically got no choice but to change back to
standard.
On Sep 8, 2010, at 7:17 PM, Greg Ercolano wrote:
[posted to rush.general]
Up the MTU using ifconfig(1) to match the other boxes if you can.
I believe mismatched MTUs affects UDP packet assembly.
Daniel Browne wrote:
> We're in the midst of some network upgrades and are having some difficulties
> transitioning to using ethernet Jumbo frames. Several of our older machines
> (PowerMac G5's) do not have hardware support for Jumbo frames. The switch
> they are connected to allows me to configure frame mtu size on a per-port
> basis, but this is not preventing packet drops enough to allow Rush to work
> properly. Jobs are taking inordinately long (which may be due to NFS packet
> loss caused by jumbo frames) and I cannot push updated hosts list files
> to these machines.
>
> If anyone can suggest a solution I'm open to it, though we overall are having
> enough issues that we may need to abandon Jumbo frames altogether until
> such time as the older equipment is decommissioned.
>
> If anyone can suggest a solution I'm open to it, though we overall are having
> enough issues that we may need to abandon Jumbo frames altogether until
> such time as the older equipment is decommissioned.
--
Greg Ercolano, erco@(email surpressed)
Seriss Corporation
Rush Render Queue, http://seriss.com/rush/
Tel: (Tel# suppressed)ext.23
Fax: (Tel# suppressed)
Cel: (Tel# suppressed)
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