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Author Topic: Problems using 2 routers. Huh??  (Read 3118 times)

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Offline redrumloaTopic starter

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Problems using 2 routers. Huh??
« on: May 31, 2003, 04:54:17 PM »
I am using 2 routers at home. One in the living room which is the main one that is connected to the dsl modem(Which is actually a router itself so that makes 3), and now one in the bedroom to replace a 10Mbit hub.

The problem is now that I am using this router in the bedroom I can't do some normal every day things. Most things work but for example, I can't log into 'My Ebay' at all, the browser just locks up. Here at AO I cannot I'm not able to do a few things. Why would a router cause this? I'd hate to go back to that slow 10Mbit hub:-(
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Offline odin

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Re: Problems using 2 routers. Huh??
« Reply #1 on: May 31, 2003, 04:59:17 PM »
No idea, but what about a 100mbit standard cheapo switch?

Offline redrumloaTopic starter

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Re: Problems using 2 routers. Huh??
« Reply #2 on: May 31, 2003, 04:59:53 PM »
Quote

odin wrote:
No idea, but what about a 100mbit standard cheapo switch?


If I must, I am trying to use what I have on hand.
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Offline B00tDisk

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Re: Problems using 2 routers. Huh??
« Reply #3 on: May 31, 2003, 05:20:58 PM »
Quote

redrumloa wrote:
I am using 2 routers at home. One in the living room which is the main one that is connected to the dsl modem(Which is actually a router itself so that makes 3), and now one in the bedroom to replace a 10Mbit hub.

The problem is now that I am using this router in the bedroom I can't do some normal every day things. Most things work but for example, I can't log into 'My Ebay' at all, the browser just locks up. Here at AO I cannot I'm not able to do a few things. Why would a router cause this? I'd hate to go back to that slow 10Mbit hub:-(


If you're using the router as a ROUTER, then you need to go into the settings page of the router and disable all functions so it only works like a hub.  No DHCP, no DNS, no IP filtering...NOTHING.

What kind of router is it?
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Offline redrumloaTopic starter

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Re: Problems using 2 routers. Huh??
« Reply #4 on: May 31, 2003, 05:45:26 PM »
Quote
What kind of router is it?


iPaq Connection point CP-2E
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Offline Ilwrath

Re: Problems using 2 routers. Huh??
« Reply #5 on: May 31, 2003, 06:36:40 PM »
I agree.  You'd probably want to configure that 2nd router more as a switch than a router.  The extra DHCP, any address translation, etc, are probably causing you the problems.  

Also, the computers on THAT router should be configured to use the inside IP of THAT router as their default gateway, while the rest of your computers should be using the inside IP of the main router as their default gateway.
 

Offline Ilwrath

Re: Problems using 2 routers. Huh??
« Reply #6 on: May 31, 2003, 06:45:23 PM »
Also, thinking about this, make sure that you don't have two identical IP addresses in your network that could be seen from any point.

ie, your main router is probably

outside IP (assigned from DSL)
inside IP - 192.168.0.1

and then your secondary router should be set to

outside IP - 192.168.0.xxx (assigned from router 1)
inside IP - 192.168.1.1

Then use a subnet mask of 255.255.255.0 on all machines, and for machines on the main router use a default gateway of 192.168.0.1 and for machines on the secondary router, use a default gateway of 192.168.1.1

This SHOULD help clear a lot of things up.  SSL and some encryptions may have some problems, though as they may interpret the two 192.168.x.x routers as a "man in the middle" style attack.  I'm not sure, though.  I've never tried to segment 192.168.x.x network like this.  I'm basically giving theory.
 

Offline kenmo

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Re: Problems using 2 routers. Huh??
« Reply #7 on: June 02, 2003, 08:09:54 AM »
I'm not familiar with your particular router, but if you can, disable DHCP on the second one &  don't use the WAN port; set the router's LAN IP address to something outside your LAN's address space. The idea here is to disable the router facility and just use the switch (hub) portion, and not have the router interfere with your network operation. you only need one router in the mix, and one DHCP server.

To connect the two routers together, you'll need to use the uplink port on one of them, unless they're autosensing (none are that I've seen).  Failing that, you'd need a crossover cable,  the ethernet equivalent of a nullmodem cable :-)   Hope this helps...
 

Offline kenmo

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Re: Problems using 2 routers. Huh??
« Reply #8 on: June 02, 2003, 08:15:03 AM »
Quote

Ilwrath wrote:
I
Also, the computers on THAT router should be configured to use the inside IP of THAT router as their default gateway, while the rest of your computers should be using the inside IP of the main router as their default gateway.


Uh,  no...   you've just told him to disable all router functions. Gateway is one of those...  so all computers on that LAN must use the first (not disabled) router as the gateway.
 

Offline ironfist

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Re: Problems using 2 routers. Huh??
« Reply #9 on: June 02, 2003, 10:09:49 AM »
redrumloa:
I know you want to use what you have on hand
but the very easiest and 99% working way is
to (what some other user here told you) use a
simple 10/100 switch.

I have one router at home and below that I have
one 8 port switch. All internal traffic only uses
the switch and never makes that sad router
crawl on knees :)

I connected them both using a cross-over TP.

It worked like a charm - I did not have to change
any IP settings on any of the machines and they all
kept the same IP assigned from the router's DHCP.

The switches are very cheap; 4 ports for like 30USD
and 8 ports for maybe 50.