Re: cabling problem?

2004-01-17 Thread Dinesh Nair

On Wed, 14 Jan 2004, Marwan Sultan wrote:

  Why the network cable from Modem router to box directly doesnot
  work in the time from Modem router to HUB and from HUB  to BSD
  box works fine?

you need a cross cable to connect the modem router directly to the freebsd
box.

it's a standard CAT5 cable with the following pin outs:

1 -- 2
2 -- 1
3 -- 6
6 -- 3

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Re: cabling problem?

2004-01-14 Thread Andrew Boothman
Marwan Sultan wrote:

 When I plug the network cable From the Modem router directly to my 
 FreeBSD in the first NIC rl0 it doesnot take the internet connection.
 and nor the light in the rl0 lights.!

 So to solve the problem, I have a small HUB i pluged the cable from
 the router to hub (uplink) and from the HUB to rl0 then everything
 works fine, and the NIC light comes on, and NATd works great
 also all clients have the internet access.
 The question is:
 Why the network cable from Modem router to box directly doesnot
 work in the time from Modem router to HUB and from HUB  to BSD 
 box works fine?
In order to directly connect two computers (or your computer and modem 
in this case) together using ethernet, you need a special type of 
ethernet cable called a crossover cable - which is simply a normal 
ethernet cable wired slightly differently.

The cable you are using must not be a crossover cable - and so it works 
between a computer and a hub, but not directly between two computers.

You should be able to find more information on Google if you need it.

Hope that helps.

Andrew

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Re: cabling problem?

2004-01-14 Thread HOLLOW, CHRISTOPHER
It does not work because you are not using the correct cable.  In order 
to directly connect to NICs (or NIC-to-Router) you need a cross-over 
cable.  The pin-through is different than a normal patch cable.  Google 
cross-over cable or just ask the guy behind the counter of your local 
computer store for one.

HTH,

Christopher Hollow
Technical Consultant
Marwan Sultan wrote:
Hello everyone,

 I'm Running FreeBSD 4.8-R, NATd, Firewall enabled.
 This box acting as a gateway.
 Modem Router calling the Internet and connected to rl0 in my FreeBSD
 and rl1 connected to HUB clients.
 When I plug the network cable From the Modem router directly to my 
 FreeBSD in the first NIC rl0 it doesnot take the internet connection.
 and nor the light in the rl0 lights.!

 So to solve the problem, I have a small HUB i pluged the cable from
 the router to hub (uplink) and from the HUB to rl0 then everything
 works fine, and the NIC light comes on, and NATd works great
 also all clients have the internet access.
 The question is:
 Why the network cable from Modem router to box directly doesnot
 work in the time from Modem router to HUB and from HUB  to BSD 
 box works fine?
  
 Thank you all.
--
Marwan Sultan

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