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Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds

  • johnlil
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27 Oct 2009 19:18 #1 by johnlil
Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds was created by johnlil
VM 50Mb installed and direct connection to modem gives speeds c. 50Mbs all good.

Plugged into WAN2 on 2820n, using 3.3.2.1 firmware and WAN2 set to either auto negotiate, 100M full duplex or 100M half duplex then speed via LAN drops to c. 7~8Mbps. WiFi even slower, increased overhead I guess

WAN 1 is disabled

Reset to factory settings exactly the same, any ideas, I read a post from other users indicating all works seamlessly, well not for me!

Help needed

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28 Oct 2009 18:37 #2 by the pit
Replied by the pit on topic Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds
Well I've got twenty meg and no such problems. Will be going too 50 meg in November so if you've still got problems I'll let you know what happens.

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29 Oct 2009 10:19 #3 by spudster
Replied by spudster on topic Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds
I run the same router on my VM 50Mb connection. Get full 50Mb over gigabit LAN, but WiFi (n) struggles to surpass 30Mb online. Wierd as I can transfer files over wifi lan at around 70Mb. I think theres probably an processing power issue for WAN-WIFI over 30Mb.

I have mine set to auto negotiate.

Log into your modems status page (whilst behind your router)

modem-router-pc

http://192.168.100.1/

ensure it's showing 100 Full Duplex. (as mine does)

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29 Oct 2009 18:24 #4 by gordondack
Replied by gordondack on topic Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds

Spudster wrote: I run the same router on my VM 50Mb connection. Get full 50Mb over gigabit LAN, but WiFi (n) struggles to surpass 30Mb online. Wierd as I can transfer files over wifi lan at around 70Mb. I think theres probably an processing power issue for WAN-WIFI over 30Mb.

I have mine set to auto negotiate.

Log into your modems status page (whilst behind your router)

modem-router-pc

http://192.168.100.1/

ensure it's showing 100 Full Duplex. (as mine does)



Mine only shows half duplex, with no way of amending this.

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29 Oct 2009 18:27 #5 by spudster
Replied by spudster on topic Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds

gordondack wrote:

Spudster wrote: I run the same router on my VM 50Mb connection. Get full 50Mb over gigabit LAN, but WiFi (n) struggles to surpass 30Mb online. Wierd as I can transfer files over wifi lan at around 70Mb. I think theres probably an processing power issue for WAN-WIFI over 30Mb.

I have mine set to auto negotiate.

Log into your modems status page (whilst behind your router)

modem-router-pc

http://192.168.100.1/

ensure it's showing 100 Full Duplex. (as mine does)



Mine only shows half duplex, with no way of amending this.



Which modem did they give you?

I had my 50Mb installed 2 days ago and got the VMNG300 modem.

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29 Oct 2009 18:29 #6 by gordondack
Replied by gordondack on topic Virgin Media 50Mb and 2820n - Help Needed Slow LAN speeds

Spudster wrote:

gordondack wrote:

Spudster wrote: I run the same router on my VM 50Mb connection. Get full 50Mb over gigabit LAN, but WiFi (n) struggles to surpass 30Mb online. Wierd as I can transfer files over wifi lan at around 70Mb. I think theres probably an processing power issue for WAN-WIFI over 30Mb.

I have mine set to auto negotiate.

Log into your modems status page (whilst behind your router)

modem-router-pc

http://192.168.100.1/

ensure it's showing 100 Full Duplex. (as mine does)



Mine only shows half duplex, with no way of amending this.



Which modem did they give you?

I had my 50Mb installed 2 days ago and got the VMNG300 modem.



Same type, I think they only use 1 type for 50mb

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