I have a Linksys 4 port router for my home network which has become full
after the addition of a device. I now find myself needing to add a couple
more devices. So, I purchased a 5 port hub to add to my network. How do I
connect it to the router? Do I go from a data port on the router to the
uplink on the hub? Do I go from uplink to uplink? Or, do I go from a data
port on the hub to the uplink on the router? And, finally, which cable do
I need; A straight through or a crossover?

Thanks.

i'm_tired wrote:

"i'm_tired" <it_isnt_valid@emailaddy.edu> wrote:

Some "rules of thumb":
Uplink port to normal port = straight through cable
Uplink port to uplink port = crossover cable
Normal port to normal port = crossover cable

To remember that just think of an uplink as internally crossed and a
normal port as internally straight through.
You will always have to connect sender pins with recieving pins,
because connecting a sender with a sender or a reciever with a
reciever wouldn't make much sense, would it? You see: It is no rocket
science at all.

regards
André

CJT wrote:
Nope. So, I bought a networking book at my local college and read it. Then
I bought the next book and I'll finish it by noon today. The prof over
there says most fellows get their CCNA before finishing the second book, so
I guesse it is cool that you were a useless bastard Funny that cisco
garbage doesn't explain that an uplink can be done either way (from either
device), but I learned that after getting a good search term to feed google
from the next fellow kind enough to give me a smidgon of his knowledge in
the next post down (thanks to André Franke - Cheers! -). So, now my WAP is
happily on the same hub with my jetdirect plus a couple of workstations I
had to add, and my *nix box fed them all DHCP etc just perfectly. The only
problem is that my network has spilled out of my den and into my family room
for the next few weeks and my wife is quite frustrated with my hobbies <wg>

André Franke wrote:
I got the difference between cables and purposes for them (and just as you
say in the first few chapters of the Cisco 1 book). What I was confused
about from the beginning is which device to uplink from. I didn't know (and
I still don't see anything in the Cisco books that says) that one could
uplink from either device. That came through trying it and reading a
webpage that suggested I should only uplink from my router.

When I read that I should only uplink from my router, I had to scratch my
head a little. I thought "What if I want to add 2 hubs?" And, "What if
those two hubs are in different physical directions from my router?". I
discovered that I can uplink from any device to any other device, really.
In fact, right now I have my router uplinked to a data port on the 5 port
hub and also my WAP is in effect uplinked to that 5 port hub. Also I have
an 8 port hub uplinked to a data port on my router. All machines (except
the static IP for my jet direct which I told not to accept DHCP) are being
fed DHCP from my router properly, so my best guesse is that it is supposed
to work this way. I've done some load simulations and a handful of other
tests and everything seems to be up to par, so it seems that it is indeed
supposed to work this way. (?)

"i'm_tired" <it_isnt_valid@emailaddy.edu> wrote:


it you will agree that you can't recieve data on a sender or vice
versa. Of course you need to know how electricity or dataflow on a
twisted pair cable works. And that is, what cisco explained. You still
need to think about the logical consequences of it.

You got it!
Once you realized how to link sending and recieving, wire it is quite
simple as long as you know if a port is internally crossed or not,
isn't it?

Have fun!

regards
André