[OLUG] Network Collisions

[John Williams]

Actually when you look at your ifconfig it shows that no packets were
dropped.  As far as collisions go, it is normal for this to happen.  Your
network card is designed to deal with collisions and back off from sending
packets for a random period of time before trying again.  Collisions do
effect network performance when the network gets large enough.  A switch
would be a better alternative to a hub as far as that goes.

John
----- Original Message -----
From: <brian at cbiowa.com>
To: <Olug at bstc.net>
Sent: Friday, January 28, 2000 12:40 AM
Subject: [OLUG] Network Collisions


>         Is there any network gurus on this list that would be kind
> enough to take a look at my problem?  I have a pretty simple network
> consisting of:
> 1) (Server) dual pII 233 with Slackware 4.0 Kernel 2.2.13 and DFE-530TX
> PCI NIC Card
> 2) (Client) Toshiba Laptop Pentium 233 w/Win95 and 3COM PCMCIA NIC Card
> 3) (Client) Toshiba Laptop Pentium 166 w/Win95 and 3COM PCMCIA NIC Card
>
>         These are all connected with a 24 port D-Link hub.  My question
> is how to I fix or stop collisions.  Here is the output from an
> "ifconfig eth0"
>
> myhome:/home/bweber# ifconfig eth0
> eth0      Link encap:Ethernet  HWaddr 00:00:00:00:00:00
>           inet addr:192.168.2.1  Bcast:192.168.2.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:161816 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:360283 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:48602 txqueuelen:100
>           Interrupt:19 Base address:0xe480
>
>         Is there something that I can do with my network configuration
> that would stop collisions?  My assumption is that collisions impede on
> network performance?  Any ideas or previous experiences would be greatly
> appreciated.
>
> Thanks in advance!
> --
>              Brian Weber
>          Computer Consultant
>              Cap Gemini
>       brian at mail.cbiowa.com
>
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