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  Can't get wired and wireless to work together 
 Date Written 
David Pantich Feb 05, 2014, 09:27am EST Report Abuse

I'm helping my (absolutely non-technical) friends with their network and I'm stumped. They've had an old Linksys WRT54GL for years for their wireless. Ever since I installed it, they've complained that they had no signal in the farthest point of the house from the router.

The setup prior to any changes was: Ethernet cable from modem into the "Internet" port on the Linksys and then 3 separate Ethernet cords in the 1-3 slots (one to office, one to kids bedroom and one to family room) on the back of the Linksys. This was all in the basement but worked for several years except for the signal complaints I mentioned above.

A couple of weeks ago they bought an Asus N-600 router on my recommendation. Since they weren't using the family room Ethernet connection anymore, I decided to install the Asus router there to maximize signal strength.

The new setup is almost identical except instead of having the wireless router in the basement I have a switch with 4 slots. I plugged the Ethernet cable from the modem into slot #1 and the other 3 cables into slots 2-4. The cable from slot #2 went to the family room where the Asus router is. After setting up the wireless network, it was up and they could use it to connect wirelessly to internet. Fine so far.

Problem is that none of the other cables coming out of the switch were "hot". The wired computers connected to them kept indicating that there was no connection to the internet.

Then I disconnected the cables in slots 2 & 4 and powered down/up the modem and switch. This time, the wired computer in the office became "hot" and I could connect to the internet.

Next I plugged the cable back into slot #2 and powered down/up the Asus router. Now the wireless worked again but the wired computer could no longer connect to internet.

Does this make sense to anyone? I've tried this many, many times and still get same results. It's like I can only have ONE connection to the internet coming out of the switch.

I don't have the name of the switch in front of me but I've tried it with two different ones.

Any help or suggestions would be greatly appreciated.


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john albrich Feb 05, 2014, 11:19am EST Report Abuse
>> Simplest First Diagnostic Is Try A Different Switch
Never mind...I can't believe I didn't see the end of the last "diagnostic/tried-this" line in your post.

removed suggestion

Dr. Peaceful Feb 05, 2014, 12:21pm EST Report Abuse
>> Re: Can't get wired and wireless to work together
My suggestion: put the old Linksys WRT54GL back in there, disable wireless and use it as a "switch". Unless their modem is also a router that gives out IPs, the switch method won't work. In order for all 3 ports in the switch to work, you will need to purchase 3 IPs from the internet provider.

David Pantich Feb 05, 2014, 12:38pm EST Report Abuse
>> Re: wireless repeater recommendations?
Dr Peaceful,

Thanks for the reply. That sounds like a good suggestion. I'll try that and see how it goes.

Gerritt Feb 24, 2014, 09:09pm EST Report Abuse
>> Re: Can't get wired and wireless to work together
By default the wireless routers assume different network segments between the trunking/uplink port and the wireless access/wired ports on the router.
You may want to consider making the L3/IP passthrough or of the same VLAN/network address space vs. 192.168.1.x and 192.168.2.x in nature.

Ad Astra Per Aspera
(A rough road leads to the Stars)
We all know what we know, and everyone else knows we are wrong.
System Specifications in BIO
David Pantich Feb 25, 2014, 09:05am EST Report Abuse
>> Re: Can't get wired and wireless to work together
I forgot to come back and update this...

I was able to get this to work by just using the Asus N-600 as a router. I extended the two Ethernet cables (that were previously plugged into router) from the basement to the family room where the Asus is. Plugged them into that and everything worked like a charm.

Thanks everyone for the help.



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