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Get me out of THIS trap.. SWITCH,HUB,ROUTER

H

healtheworld

Member
Get me out of THIS trap.. SWITCH,HUB,ROUTER
Hello friends,

Considering myself a fool , i m asking this (THESE) questions from u masters out here. Please do not laugh at me .. And help me to understand it..

Although i now know a bit about networks and TCP/IP

How to connect ..
(a) HUB to HUB
(b) HUB to SWITCH
(c)SWITCH to SWITCH
(d)SWITCH to ROUTER
(f)ROUTER to ROUTER




And a term VLAN .. AND how to create it...
and What is an uplink port .


Is connecting procedures also depend on types of cablee (Straight or crossoverl ) devices

PLZ gimme info about it.
======================================

 
uplink port is a port with the TX and RX pins swapped....it basically does the crossing over when used with a straight cable.

your connections will depend on whether the dvices have an uplink port or not.

if you go from hub to hub that have uplink, take a straight cable from one port (not uplink) on hub A and plug it into hub B. If neither has a uplink, then use a X-over cable.

the same applies to switxhes, etc
 
First off there is a slight difference between a switch and a hub. A switch is basically intelligent in transferring whereas a hub is not. A switch will send the data over only the port it is intended for, where a hub will send the data to all ports. In a home network situation this does not cause significant lag
to be worried about, unless you are a perfectionist.

Now in my home I have my 4 non-wireless computers hooked up to a 5 port hub. Then the hub is connected to the Wireless/4-port router via the uplink port
on the hub. ON the router the hub is hooked in as if it was just one simple device. The cable modem is hooked into the WAN port on the router. The
advantage in my mind is that I can disconnect either the Cable Modem or the Router and still have a functioning network.

The uplink port on a hub/switch is a special port that allows you to daisy-chain hubs/switches with each other or other networking devices.
You do not need any cross-over cables if you have the uplink port, otherwise you would need one.
If there is any additional information please let me know.


Lets tackle you scenarios: (In general)
(a) Hub to Hub : Hub 1 has cable going from one of the regular ports to the uplink port of hub 2, (unless your hubs do not have uplink port, then use cross over cable to connect) they are now linked.

(b) Hub to Switch : Refer to (a)

(c) Switch to Switch: Refer to (a)

(d) Switch to Router: Uplink port on switch goes to one of the ports on the router.

(e) Router to Router: Can be difficult to setup properly. In some cases can not be at all. The basic idea is to turn one of the routers into a switch/hub.
You must configure one to disable DHCP and the other has DHCP enabled. Reassign the base address of the Router(switch) as an eligible IP address
within the range of allowed IP's for the Router. That should be the basics for that.


Disclaimer: If anything is technically wrong, please correct with me. Flames are not necessary though.
 
A simple rule:

To connect 2 like devices(switch2hub, hub2hub, hub2router): Crossover cable
To connect 2 different devices(pc2hub): Straight Through cable.

Is this homework? 😀

 
as i can understand it goes like this
1.Uplink to uplink uses a crossover - uplink to straight uses straight cable, straight to straight uses a crossover.


normal/crossover/normal
uplink/crossover/uplink
normal/straight/uplink




Am i right...
Plz tell me..
 
hello
wanafly...


I want a bit more explanation of concepts.

Questions : If one hub has uplink and other not
Question : if both hv uplink (in case of hub)
Question : if one is switch and other is hub (with uplink)
Question : if one is switch and other is hub (without uplink)

plz help me to understand it...


Thanks..
 
IT doesnt matter weather its a switch or a hub.

if you use uplink port = opposite normal cable
i.e
port2port=x-over
uplink2port=straight
uplink2uplink=straight - this isnt a common practice though
port2uplink=straight.

 
The switches I've bought from netgear have this convenient auto-uplink feature so you don't have to use crossover cables. Any of the ports could be used as your uplink port using a regular cable. Some other devices I have have other means of avoiding a crossover cable, e.g. they have two ports or they have a button you can push. So, for my own purposes, I've never had to keep all this stuff straight!

I do have a couple of crossover cables, which I suppose I would use if I wanted to connect 2 pcs directly. But if I was at home, I'd be more likely to plug both pcs into my home network.

My experience is limited to my own home network, but I wonder if a lot of this discussion is largely irrelevant if you are using newer equipment that handles the crossover stuff for you. My home network has 9 pcs, a couple of WAPs, a router and 2 or 3 switches, and some phoneline devices, and I've never once needed to use a crossover cable.
 
Originally posted by: rw120555
The switches I've bought from netgear have this convenient auto-uplink feature so you don't have to use crossover cables. Any of the ports could be used as your uplink port using a regular cable. Some other devices I have have other means of avoiding a crossover cable, e.g. they have two ports or they have a button you can push. So, for my own purposes, I've never had to keep all this stuff straight!

I do have a couple of crossover cables, which I suppose I would use if I wanted to connect 2 pcs directly. But if I was at home, I'd be more likely to plug both pcs into my home network.

My experience is limited to my own home network, but I wonder if a lot of this discussion is largely irrelevant if you are using newer equipment that handles the crossover stuff for you. My home network has 9 pcs, a couple of WAPs, a router and 2 or 3 switches, and some phoneline devices, and I've never once needed to use a crossover cable.
Click to expand...

I have something very similar on my switches, they are D-Links and I believe it's a feature called Auto MDI. (I might be wrong). Works great. I use both crossover and straght cables and never have to worry about it. I highly recommend getting a switch with this feature if you are buying a new switch.
 
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