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LAN is slow, could it be the WAN setting?

F

FrustratedUser

Lifer
I've had the D-Link DI-524 wireless router for some time now and I just recently checked the speed on the LAN (not wireless) between 2 computers. It turns out that the max transfer is 8Mbit/s. I was hoping it was faster. 🙁

Now, the thing is that I had to set the WAN speed to 10Mbit/s in order to make the router work with the Cable modem. Could this affect the speed of my network in the house?
 
Originally posted by: FrustratedUser
I've had the D-Link DI-524 wireless router for some time now and I just recently checked the speed on the LAN (not wireless) between 2 computers. It turns out that the max transfer is 8Mbit/s. I was hoping it was faster. 🙁

Now, the thing is that I had to set the WAN speed to 10Mbit/s in order to make the router work with the Cable modem. Could this affect the speed of my network in the house?
Click to expand...

That setting should not matter, however many of those devices don't have enough horsepower to pump data at full wire speed. Can someone else with a 524 post their internal speeds for comparison?
 
are you sure it is 8 megabits? Because 8 megabytes would be right for 100 Base-T.

Check the LEDs on the switch and network card to confirm they are both 100/full.

I can't imagine a WAN setting affecting all the other ports, but I guess it could happen.
 
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. Going the other way from desktop to laptop was the same speed. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer. Netgear router.
 
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
 
Originally posted by: spidey07
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
Click to expand...

That is a setting in the router I guess?
 
Originally posted by: FrustratedUser
Originally posted by: spidey07
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
Click to expand...

That is a setting in the router I guess?
Click to expand...
I didn't find any setting for my Netgear for this. I did force Full Duplex on both cards (device manager --> properties) and they are still maxing at 1.15MBps (8Mbps). 😕 Need to find the switch's settings...

Cables are not homemade either.
 
Netgear WGR614 v4: Autosensing Ethernet Connections with Auto Uplink

With its internal 8-port 10/100 switch, the WGR614 v4 can connect to either a 10 Mbps standard Ethernet network or a 100 Mbps Fast Ethernet network. Both the LAN and WAN interfaces are autosensing and capable of full-duplex or half-duplex operation.

The router incorporates Auto UplinkTM technology. Each Ethernet port will automatically sense whether the Ethernet cable plugged into the port should have a `normal' connection such as to a computer or an `uplink' connection such as to a switch or hub. That port will then configure itself to the correct configuration. This feature also eliminates the need to worry about crossover cables, as Auto Uplink will accommodate either type of cable to make the right connection.
Click to expand...
That means I don't get to force it myself on my Netgear...

When I had my wired-only Linksys BEFSR4 router/switch, I could've sworn my LAN transfers were much faster. It had a 100Mbps LED right on the thing too...
 
Originally posted by: FrustratedUser
Originally posted by: spidey07
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
Click to expand...

That is a setting in the router I guess?
Click to expand...

Yes. however autonegotiation works so well these days it best to leave the NIC and Switch port set to auto unless there are problems.

The big thing to avoid is setting one side of the link and leaving the other to auto - almost always leads to a duplex mismatch.
 
Originally posted by: rh71
Originally posted by: FrustratedUser
Originally posted by: spidey07
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
Click to expand...

That is a setting in the router I guess?
Click to expand...
I didn't find any setting for my Netgear for this. I did force Full Duplex on both cards (device manager --> properties) and they are still maxing at 1.15MBps (8Mbps). 😕 Need to find the switch's settings...

Cables are not homemade either.
Click to expand...

Sounds like you do have a duplex mis match (one side forced, the other on auto). Leave the cards at auto on speed/duplex.

 
On a side note I transferred a file over the wireless and got 5000kbit/s :Q Never had it that fast before.
Signal strength was normal. I tried to do it again and now it has dropped to 600kbits 🙁

Damn this is weird.
 
Originally posted by: spidey07
Originally posted by: rh71
Originally posted by: FrustratedUser
Originally posted by: spidey07
Originally posted by: rh71
I'll tell you this... as a test, I just did it from my laptop to my desktop (wired) and a file transfer went at a sustained 1.04MBps which is equivalent to about 8Mbps. My LAN is set to run at 100Mbps so I don't know why this is either. Used RAdmin to do the transfer.
Click to expand...

The most common cause of slow LAN transfers are a "duplex mismatch" where one side of the link is operating at half-duplex and the other at full. The most common cause of this is where the switch is set to autonegotiate speed/duplex and the network card is forced to 100/full. The switch will run at half-duplex and the NIC at full. = slow speeds.

Second most common is some kind of a cabling problem (using home made cables)
Click to expand...

That is a setting in the router I guess?
Click to expand...
I didn't find any setting for my Netgear for this. I did force Full Duplex on both cards (device manager --> properties) and they are still maxing at 1.15MBps (8Mbps). 😕 Need to find the switch's settings...

Cables are not homemade either.
Click to expand...

Sounds like you do have a duplex mis match (one side forced, the other on auto). Leave the cards at auto on speed/duplex.
Click to expand...
all were forced, same problem. Originally, all were auto... same problem. 😕
 
I have a netgear router. The 814v2.

It is very fast wired transfers from pc to laptop and vice versa.

Koing
 
Originally posted by: spidey07
That is strange. So during a large transfer windows shows network utilization at like 8%?
Click to expand...
I used DUMeter on my desktop to measure transfer speed...
 
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