[Beowulf] tcp error: Need ideas!
Nifty Tom Mitchell
niftyompi at niftyegg.com
Sun Jan 25 12:07:31 PST 2009
On Sun, Jan 25, 2009 at 08:55:41AM -0600, Gerry Creager wrote:
> In other words, it's not the switch. I tend to "think out loud" to
> expose all possible failure modes, a process I learned at NASA/Johnson
> when I worked on Space Station's Medical Operations. In manned
> spaceflight, you have one exercise where you sit around and try to
> determine everything that could possibly go wrong, and how such a
> failure would manifest itself. That tends to be useful in other
> operations, too.
In the spirit of anything could be wacked ....
Double check all the MAC addresss and all the ARP tables (inluding things
like /etc/ethers and HWADDR lines in ifcfg-* and DHCP setup files.
Also Zero Configuration Networking (Zeroconfig) networking....
and IPV6 could be exposing alternate logical paths for data
on the same switches and wires.
T o m M i t c h e l l
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