100 Mb LAN , very slow

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  #1 (permalink)  
Old 09-10-2003
max4
 
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Default 100 Mb LAN , very slow

I have a linux router on a 586 120Mhz
with 2 realtek 10/100 network cards
but my lan transfert is only 800KB/s
i checked they are in 100TX full duplex mode

anyone an idea ?
thanks
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  #2 (permalink)  
Old 09-10-2003
Ian Northeast
 
Posts: n/a
Default Re: 100 Mb LAN , very slow

max4 wrote:
>
> I have a linux router on a 586 120Mhz
> with 2 realtek 10/100 network cards
> but my lan transfert is only 800KB/s
> i checked they are in 100TX full duplex mode


Is whatever they are connected to also running at 100/full?

Having said that I would expect a duplex mismatch to cause it to go a
lot slower than that.

You need to give more details of how your LAN is set up and what is on
it.

Regards, Ian
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  #3 (permalink)  
Old 09-11-2003
Ethan Trewhitt
 
Posts: n/a
Default Re: 100 Mb LAN , very slow

According to max4 <max@nowhere.com>:
> I have a linux router on a 586 120Mhz
> with 2 realtek 10/100 network cards
> but my lan transfert is only 800KB/s
> i checked they are in 100TX full duplex mode


Look up mii-tool. I know RH comes with it; just run the command.

--
eth'nT
http://www.hydrous.net
aim: courtarro


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  #4 (permalink)  
Old 09-11-2003
max4
 
Posts: n/a
Default Re: 100 Mb LAN , very slow

Ian Northeast <ian@house-from-hell.demon.co.uk> wrote in
news:3F5F937C.DE4B7829@house-from-hell.demon.co.uk:

> max4 wrote:
>>
>> I have a linux router on a 586 120Mhz
>> with 2 realtek 10/100 network cards
>> but my lan transfert is only 800KB/s
>> i checked they are in 100TX full duplex mode

>
> Is whatever they are connected to also running at 100/full?
>

yes it s connected to another pc at 100/full
they are connected by a switch
the swtich leds reports 100Mb
and the mii-tool reports 100Mb full duplex
i tried to change to half duplex but that dont change anything to the
ftp or samba transfer speed

but it change the results of iperf tests
[ 15Mb instead of 11Mb ]
i tried with 2 computer under other OS and i got a better result [ 2000
KB/S ]


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  #5 (permalink)  
Old 09-11-2003
max4
 
Posts: n/a
Default Re: 100 Mb LAN , very slow

"Ethan Trewhitt" <gtg782a.spamremove@mail.gatech.edu> wrote in
news:bjotpf$qp4$1@news-int.gatech.edu:

> According to max4 <max@nowhere.com>:
>> I have a linux router on a 586 120Mhz
>> with 2 realtek 10/100 network cards
>> but my lan transfert is only 800KB/s
>> i checked they are in 100TX full duplex mode

>
> Look up mii-tool. I know RH comes with it; just run the command.
>


mii-tool out

eth1: 100 Mbit, full duplex, link ok
[root@max root]#


ifconfing out

eth1 Lien encap:Ethernet
inet adr:192.168.120.10 Bcast:192.168.120.255
Masque:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1200116 errors:32 dropped:0 overruns:0 frame:0
TX packets:1205600 errors:0 dropped:0 overruns:0 carrier:0
collisions:5451 lg file transmission:100
RX bytes:553846568 (528.1 Mb) TX bytes:1052612838 (1003.8 Mb)
Interruption:10

realy strange :(
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