ADSL Router connected to another router problem

ADSL Router connected to another router problem
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Subject Author Date
ADSL Router connected to another router problem tommylux 09-28-2006
Posted by tommylux on September 28, 2006, 3:34 am
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I have brought a new ADSL ethernet router which has 4 ethernet ports.
When computers are connected directly to one of these ports, it works
without any problems.

When I use one of these ports to connect to another router (to host 5
computers), the computers on this router cannot connect to the
Internet, but can access the ADSL Router at 192.168.1.1

When you access 192.168.1.1, you can see all the computers from the
router under LAN settings

Any Ideas?

Thanks


Posted by tommylux on September 28, 2006, 11:19 am
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any ideas guys?

tommylux wrote:
> I have brought a new ADSL ethernet router which has 4 ethernet ports.
> When computers are connected directly to one of these ports, it works
> without any problems.
>
> When I use one of these ports to connect to another router (to host 5
> computers), the computers on this router cannot connect to the
> Internet, but can access the ADSL Router at 192.168.1.1
>
> When you access 192.168.1.1, you can see all the computers from the
> router under LAN settings
>
> Any Ideas?
>
> Thanks


Posted by DLR on September 28, 2006, 1:33 pm
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tommylux wrote:
> any ideas guys?
>
> tommylux wrote:
>> I have brought a new ADSL ethernet router which has 4 ethernet ports.
>> When computers are connected directly to one of these ports, it works
>> without any problems.
>>
>> When I use one of these ports to connect to another router (to host 5
>> computers), the computers on this router cannot connect to the
>> Internet, but can access the ADSL Router at 192.168.1.1
>>
>> When you access 192.168.1.1, you can see all the computers from the
>> router under LAN settings
>>
>> Any Ideas?
>>
>> Thanks
>
Unless you understand what you're doing you should really only have 1
router and put a switch on one of the LAN ports to allow extra computers
/ devices to connect.

Stacking routers requires some special understanding and a router that
doesn't assume that 192.168.x.x will never need to get to the WAN port.

Posted by glen herrmannsfeldt on September 28, 2006, 1:53 pm
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(snip)

> Unless you understand what you're doing you should really only have 1
> router and put a switch on one of the LAN ports to allow extra computers
> / devices to connect.

> Stacking routers requires some special understanding and a router that
> doesn't assume that 192.168.x.x will never need to get to the WAN port.

Well, it shouldn't be that hard, but the usual instructions assume
192.168.1.x, which you can't use for both of them.

I do know that the Linksys WRT54G will run 10.x.y.z out its WAN
port. I have one between my home wireless net and home wired net.

Probably for the OP, though, stacking routers isn't needed.
Unless you really want separate subnets, you probably don't
want to do it.

-- glen

Posted by John Gray on September 28, 2006, 8:14 pm
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> (snip)
>
>> Unless you understand what you're doing you should really only have
>> 1 router and put a switch on one of the LAN ports to allow extra
>> computers / devices to connect.
>
>> Stacking routers requires some special understanding and a router
>> that doesn't assume that 192.168.x.x will never need to get to the
>> WAN port.
>
> Well, it shouldn't be that hard, but the usual instructions assume
> 192.168.1.x, which you can't use for both of them.
>
> I do know that the Linksys WRT54G will run 10.x.y.z out its WAN
> port. I have one between my home wireless net and home wired net.
>
> Probably for the OP, though, stacking routers isn't needed.
> Unless you really want separate subnets, you probably don't
> want to do it.
>
> -- glen

The WRT54G also has a setting on the Advanced Routing of Setup that may
help. Operating Mode is set to Gateway if it is attached to the
Internet(WAN) directly. If it is behind another router, set it to
Router Mode. I believe that way it will be on the same subnet, no
double NAT and everything on the LAN is available as well as access to
the Internet. I have no means to test this, but I do remember something
vaguely that it would work that way, and the help implies that. HTH


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