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Old 08-28-2005, 08:08 AM   #1
Registered: May 2005
Location: Brazil
Distribution: Fedore Core 3
Posts: 138

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Improoving net connection inside LAN.

Hello all...

Iīm having a problem within my LAN.

My Lan is composed of 1 Linux Router/Firewall, wich forwards the internet connections. And 2 other regular windows computers (win98, WinXP) that hardly ever are turned on at the same time... At least for now.

The problem:
Recently, before making my home LAN, I used Bittorrent with a download rate up to 24 Kb/s (sometimes lower rates). Right now I am downloading something wich is at a speed of 3-5 Kb/s. So I would like to know what can I do to improve the download/upload speed of my LAN.

By the way, I opened a port to use with bittorrent (changed the default in Bittorrent) and I am DNATting the connection to the computer (x.x.x.x: port) wich has Bittorrent installed.

iptables -A FORWARD -j ACCEPT -i wanic -p tcp --dport (the port I am using within Bittorrent)

iptables -nat -A PREROUTING -i wanic -p tcp --dport (the port I am using within Bittorrent) -DNAT --to-destination x.x.x.x:port <- wich is the port I am using within bittorrent...
Thanks in advance.
Old 08-28-2005, 09:40 AM   #2
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Registered: Jan 2001
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More details about your LAN setup would help. Type of hardware used, type of NIC's, etc. Also, downloading from other sources can get you varying rates of speed, depending on the other end's upload speed, etc.
Old 08-28-2005, 11:59 AM   #3
Registered: May 2005
Location: Brazil
Distribution: Fedore Core 3
Posts: 138

Original Poster
Rep: Reputation: 15
I have an internet connection (adsl) of 256 Kb/s.
The two NICīs installed on my router are:

eth0 - 3COM (Canīt remember the model).
eth1 - Realtek RTL 8139.

The NIC connected to Internet is the 3COM, wich receives IP and everything else via DHCP.
I assign the internal IPīs of my LAN via DHCP two (dhdpd). I know it would be much easier for me to assign IPīs manually, but I built this LAN as a learning procedure for me to put it together as if it was a corporate environment (even thow it isnīt). The assignment of the IPīs are working fine anyway.

Maybe it really isnīt a problem with my connection... As you said, the speed depends on the connection of the other peer... Anyway my http connections work really fine. I can download stuff from the web with about 27 KB/s rate. In thesis, I should be downloading stuff at 32 KB/s (256/8=32) but that never happens... And I am confortable with 27 KB/s...

Iīd just like to know if I can improove Bittorrent Downloads because 3-5 KB/s is tottaly out of range on a 256 Kb/s connection...


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