[ale] Why is my switch dropping me?

[Rick Davies]

You might want to try hardcoding it to 100Mbps or 10Mbps.  Ive noticed on
other cards such as Intel, AMD, etc. that sometimes the autonegotiation
feature isnt exactly what I would call reliable.  You might also want to
check with your vendor to make sure that your NIC has no known issues with
your switch.  As for your ping getting through when you are disconnected Im
not sure why this would happen.

"Always two there are no more, no less,  a master and an apprentice" -- Yoda
Star Wars Episode 1: The Phantom Menace

----- Original Message -----
 From: Eric Webb <foobar at stargate.totalchaos.org>
To: <ale at ale.org>
Sent: Tuesday, June 08, 1999 12:47 PM
Subject: [ale] Why is my switch dropping me?


>
> I have a RH5.2 box with a 3Com 3C905B-TX plugged into a Cabletron
Smartswitch
> 6000 series.  In short: the switch seems to randomly drop my port for
random
> periods of time.  I seem to lose all outside connectivity during this
time.
> This even seems to happen when I'm in the middle of a telnet session
> actively typing (so it's not a lack-of-traffic issue).
>
> I have had some Windows people here tell me it's a configuration issue
with
> my card's 100Mb autonegotiation, but I'm not sure.  I've even tried
pinging
> myself during this outage from another machine and I think (strangely
enough)
> it worked.
>
> Here's my NIC's module init info on boot-up:
>  3c59x.c:v0.99E 5/12/98 Donald Becker
http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
>  eth0: 3Com 3c905B Cyclone 100baseTx at 0x1000, 00:50:04:0f:c9:13, IRQ 10
>  8K byte-wide RAM 5:3 Rx:Tx split, autoselect/NWay Autonegotiation
interface.
>  Enabling bus-master transmits and whole-frame receives.
>
> What can I try to fix this quite annoying problem?
>