Linksys WRT310N Full Duplex

I recently purchased a Linksys WRT310N to replace an old existing router in a small office. But it seems it doesn't support full duplex on the WAN port, or I'm missing the setting to change from 10/half (half duplex) to 10/full (full duplex). Has anyone had expereince with this router and know if it can run at full duplex on its WAN port?

And by WAN I just mean the uplink to the internet.
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thursdasyAsked:
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arixsinCommented:
That port is always an autosensing port.  If it is showing 10/half, then that is because the device it is going to is set to that.
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mikebernhardtCommented:
I looked at the manual and there is no way to set it manually.
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thursdasyAuthor Commented:
So this router cannot run at full duplex on the WAN port? I know the LAN switch ports support full duplex...

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arixsinCommented:
No, it can. It supports full and half 10 or 100.  What are you plugging into that port?
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arixsinCommented:
OK, I did some reading up.  It appears that there are many cable modems out there that are configured to run at 10 half.  If you have a modem that is on the older side, I would either talk to your ISP about getting a new one or go buy a new one. Many services offer speeds greater than 10mb/s.  You definately should get rid of it.
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mikebernhardtCommented:
What is your toplogy exactly? Is one of your ports on the Linksys going directly to your ISP via a provided ethernet connection? Or is it connecting via some other device, i.e. a cable modem or something else? The Linksys supports Gig ethernet and will probably do anything. But what is in between it and your ISP?

My previous statement on your other question still applies though. If the ISP forces their link to full duplex, then your device WILL stay at half duplex and you will have a ton of collisions, effectively bringing your internet connection to its knees.
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liguruCommented:
Do you have a hardware Firewall connected?  And on what menu screen of the router do you see that it's running in 10/half?  
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thursdasyAuthor Commented:
The topology of my network is really easy. There is a modem that plugs into my router. The problem is when the modem is switched to full duplex the router isn't doing the same, its dropping the connection because of high packet lost (collisions most likely). So what my original question was, is can this router support full duplex connection for its internet connection port? There is a switch on the back of this router and then the internet uplink port. Does this port support full duplex?
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arixsinCommented:
YES IT DOES. One of your devices is defective. All devices like that are auto-sensing. Check your cables, that is the only other thing that it could be. If you swap the cable from the router to the modem, i would say that your router is bad.
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thursdasyAuthor Commented:
I plugged my laptop into the cable I have off the modem last night and it ran fine at full-duplex. Ill have to try and restart the linksys router maybe when I tested it the other night I didn't restart it.

Also how do you know the linksys router I have supports full duplex do you have any documentation from linksys? I'm just wondering in-case the router is defective and I have to return it.

Thanks!
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arixsinCommented:
There is no official documentation. It is assumed.  There is no such thing as NEW networking equipment that does not support 10/100/(maybe 1000) full or half duplex. Especially from a name like Linksys (Cisco).  It sounds like a router problem now.  Try going to http://www.linksysbycisco.com/US/en/support/WRT310N/download and getting the most recent firmware.
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flunkadelicCommented:
I would definitely see if it's defective. Like many others have said, there's no reason for vendors to continue only providing 10mb ports anymore. The cost of these ports are almost the same. I know the WRT310N is a fairly new model and I would imaging that it's definitely capable of supporting 100MB full duplex.

Especially when some ISP are providing 30MB WAN services now.
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