[dba-Tech] New router network puzzle

Tina Norris Fields tinanfields at torchlake.com
Sun Apr 17 06:19:15 CDT 2011


Hi Jim,

Thanks for the response.  I completely understand the "crazy" business.  
I, too, have been dealing with colliding deadlines.

I'll start with the layout.  My home is an ancestral home, a rambling 
house that started out small and got built onto by my grandfather.  It 
is now L shaped, with the old part of the house in the short side of the 
L and the new part in the long side.  The long side of the L is about 
50' long, two stories tall, and made of concrete blocks.  The short side 
is about 30' long, one story tall with an attic, mostly wood frame, 
except for where the old porch got turned into an extra room - that part 
is concrete block construction.  There is also an apartment above the 
garage (also concrete block construction). My grandfather did not want 
anything he built to ever fall down! :-)  That is about 75' away from 
the far end of the long side of the L.  The property is heavily wooded.  
The antenna is on a tower at the far end of the long side of the L  The 
POE is inside the window of the bedroom nearest the tower.  My office is 
in the concrete block room at the far end of the short side of the L, 
with lots of walls for the signal to go through.  That is why there is a 
cabled router in my office, which acts as just a wireless access point 
for the computers in my office.  There is a cabled router in the garage 
apartment, which also acts as just a wireless access point for the 
computers up there.

So, the router 0, connected to the POE, acts as a hub.  Routers 1 and 2 
are connected by cable to router 0 because of the distances and 
obstacles involved, and they both act as wireless access points for 
their respective areas.  In some places on the property, a wireless 
laptop computer can reach all three routers, but in most places, only 
one of the routers offers a strong enough signal.

I have set up the new router 0 so that it has the correct gateway IP 
address, and now both routers 1 and 2 recognize that gateway and provide 
internet access to the computers in their area.  However, I still have 
the matter of two SSID names.  Maybe it doesn't matter, but I'd like to 
have everybody on the same network with the same name.  And at least I'd 
like to understand what it takes to replace one piece of equipment with 
another and have the new equipment join the existing network.

Thanks again for taking the time to look at my situation.  I really 
appreciate your help.

T



Jim Lawrence wrote:
> Hi Tina:
>
> Sorry for not getting back to you sooner but it has been crazy here...a
> client network crash, coding is well behind and the grass just keeps growing
> and the gardens are not finished yet... |-P
>
> It seems like a fairly complex configuration. Was router 0 connected to a
> PoE switch? Are all the routers Broadband? 
>
> It does seem that your little network is maybe a little rich on routers. At
> quick glance I can not see why Router 0 is needed. A switch (or hubs) should
> be more the adequate. As you have a number of Routers all except one must
> have the DNS turned off; each will have a different IP address, within a
> single range (192.168.111.1, 192.168.111.2 etc.), but the same subnet mask
> and can not conflict with any connecting computers, which are also in the
> same IP range.
>
> This is all the basics... 
>
> To eliminate all conflict issues, your new router 0 will have to be setup by
> itself, directly connected to a PC and directly to the internet so the base
> configuration can be set as any active/connected component in the network
> could conflict until the new router's setting are complete.
>
> When you finally get the configurations set, save a print page of the
> setting and save those setting to computer/thumb drive or DVD. It will make
> it a quicker to rebuild the router is any thing goes wrong within the
> warranty period.
>
> A lot of the above is just a guess as I am having a bit of a problem
> understanding your network but those are the basics and if there is any
> other questions feel free to ask.
>
> HTH
> Jim
>
>
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Tina Norris
> Fields
> Sent: Friday, April 15, 2011 8:24 PM
> To: DBA-Tech
> Subject: [dba-Tech] New router network puzzle
>
> Hi All,
>
> I have a broadband internet network consisting of the antenna, POE, 
> router0, cabled router1, cabled router2, two computers wireless 
> connected to router1, and 3 computers wireless connected to router2.
>
> Router0 is at the POE, router1 and router2 actually serve as wireless 
> access points.  All was fine until router0 crapped out today.  (I'd been 
> having performance issues for weeks, but thought it was with the ISP.)  
> All three routers were D-Link DL 514.  I bought a new NetGear WNDR3400 
> to replace router0.  Now, comes the issue.  It wants to establish its 
> own network - which for the nonce I have allowed, because that got me 
> back online.  I want it to join the existing network - using the SSID I 
> already have established.  How do I do that?  I tried just changing its 
> SSID name and feeding it my WEP key.  It said that SSID already existed 
> and refused.  How do I coax the new router to join the old network and 
> take over for the old router that crapped out?
>
> Thanks,
> T
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