SUMMARY EWA at 100Mb

From: Malcolm Condie <malcolm.condie_at_bsbs.co.nz>
Date: Thu, 05 Nov 1998 08:11:53 +1200

Dear all DU folk,
        Original query:

>I have a number of Du Alpha 800s with DE500-AA network controllers.
>These appear to boot up to with autonegotiation off and thus start running
>at 10Mb half duplex.
> I have added "speed 100" to the:
>
> IFCONFIG_0="10.20.63.102 netmask 255.255.240.0"
>
>line in /etc/rc.config but this met with unfortunate results in that IP
>could not talk outside the NIC. Localhost and hostname were reachable.
>
>I understand I need to turn on "autonegotiation" to enable my card to speak
>to the world.
>
>Where and how do I do this.

ANSWERS:
        Came aplenty and promptly.
The way to change speed of the EWA NIC is, at >>> prompt type "set
ewa0_mode" with no arguments to get options.
To set at 100Mb full duplex use "set ewa0_mode Fast-FD",
To set at 100Mb half duplex use "set ewa0_mode Fast",
Added advice was NEVER use auto-negotiation. This turned out to be good
advice.
Auto-negotiation DOES NOT WORK.
In addition some advice was to add some lines to /etc/inet.local to ensure
interface was 'ifconfig(ed)' correctly.

Eric Merlmelstein provided his example in/etc/.inet.conf
######
echo "Setting DE500 to 100Megabit Full-duplex"
/sbin/ifconfig tu0 down
/usr/sbin/lan_config -i tu0 -a 1 -m utp -s 100 -x 1
/sbin/ifconfig tu0 up
######

In addition there are some issues regarding setting on the switch. From this
exercise I found it best to disable auto-negotiation on the port on the
switch/hub this NIC is attached to, and hard set the 10/100 half/full duplex
characteristics. In our example a 3Com Super Stack II 3300. As well, 3Com
would not provide support until switch was upgraded to latest agent release
(2.0).

So, thanks all to the user group and in particular
Thanks to:
alphaosf_at_ini.dec.com
Oisin McGuinness
Landkammer Jiri
Daniel Clar
Eric Mermelstein
Gene Heater
Andrew Bush
Larry Clegg
Rodrigo Poblete
Bryan Lavelle
Christopher Knorr
Gary Gladney
David Warren
Mark Allen
Received on Wed Nov 04 1998 - 20:18:04 NZDT

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