Effective Speed of 10BaseT

From: Zane H. Healy <healyzh_at_aracnet.com>
Date: Sun Nov 14 19:13:57 1999

>there were no ack's and no error management of any kind over the LAN. IIRC,
>Appletalk sends occasional traffic over an otherwise idle LAN. I don't know
>whether it does this when there really is traffic.

Yes, Appletalk does send a little over the network even when nothing is
going on, but not as bad as DECnet. Since I've got AppleTalk, DECnet,
Samba, and TCP/IP all running on the same network I've probably got a
pretty noisy.

Hmmm, just ran a 'tcpdump' and it looks like I'm taking a hit on the
network just by having a couple Appletalk shares mounted from the VMS box,
about 56-bytes minimum every couple seconds.

>The numbers you quote seem a mite low, but not embarassingly so. You are
>configured as a single segment, are you not?

Not sure how you mean a single segment, there are two hub's attached to the
switch, as well as computers, plus I've got a 10Base2 converter and
localtalk converter (for the HP 5MP Laserjet) plugged into it.

Guess I'll have to turn on FTP on the DEC3000, and see what kind of speeds
I get that way. Besides I want to get FTP and NFS turned on anyway.

| Zane H. Healy | UNIX Systems Adminstrator |
| healyzh_at_aracnet.com (primary) | Linux Enthusiast |
| healyzh_at_holonet.net (alternate) | Classic Computer Collector |
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Received on Sun Nov 14 1999 - 19:13:57 GMT

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