Network error or Network card error?

Network error or Network card error?

Post by Antony Ma » Thu, 13 Apr 2000 04:00:00



Hi  all,

I have two FreeBSD3.1 box and three SuSE 6.2 box. I get such message from
them when running "netstat -i"?

From FreeBSD 3.1:
network:
Name  Mtu   Network       Address            Ipkts Ierrs    Opkts Oerrs
Coll
ed0   1500  <Link>      00.c0.df.a9.24.ca  4479954     6  7230473     0
67113
ed0   1500  192.168.1     fax              4479954     6  7230473     0
67113

From SuSE box:
Iface   MTU Met    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR
Flg
eth0   1500   0 24425128      3      0      0 21373578      0      0      4
BRU
lo     3924   0     7483      0      0      0     7483      0      0      0
LRU

From FreeBSD, it always show having "Coll". Is there any problem with my
FreeBSD box network card?

Thanks in advance,

Antony.

 
 
 

Network error or Network card error?

Post by Nick Hilliar » Thu, 13 Apr 2000 04:00:00



> From FreeBSD, it always show having "Coll". Is there any problem with my
> FreeBSD box network card?

Collisions are completely normal, and are a part of ethernet's flow control
mechanism.  Unless you're getting as many collisions as input/output packets,
you can safely ignore the figure.

Nick

 
 
 

Network error or Network card error?

Post by Matthew Jenkin » Fri, 14 Apr 2000 04:00:00


When a packet is sent out to the network, it tries to detect if there is a
collision (someone else already sending a packet).  If this is the case,
then both sending machines stop sending and wait for a random length of time
(hopefully both different) and try sending again.

Collision messages are nice - if it didn't know about them, it wouldn't be
able to send packets onto the network.

Matt

--
You can kill the revolutionary
But you can't kill the revolution!


: > From FreeBSD, it always show having "Coll". Is there any problem with my
: > FreeBSD box network card?
:
: Collisions are completely normal, and are a part of ethernet's flow
control
: mechanism.  Unless you're getting as many collisions as input/output
packets,
: you can safely ignore the figure.
:
: Nick

 
 
 

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