Network Switches chained together

jjohnston

New Member
I have 2 network closets. 1 has 3 switches (all 10/100) and 1 is the main server room which has 2 switches (both are 10/100 but have a couple 1000 ports on them). Right now the closet with the 3 switches has 1 network cable going to the main closet, the 3 switches are linked together.

I was curious if I would see any benefit to the end user If I put a simple dumb gigabit switch in the closet, plugged the 3 10/100 switches and the main line back to the main closet into that, then plugged that line into one of the gigabit ports on the switches in the main closet. or would it be negligible?

My theory was the 3 10/100 switches in there would then be able to transfer 300 megs at a time back to the main room (100 meg ports x3 using the gig switch), instead of just 100 megs (all 3 switches utilizing 1 100 meg line)
 
So what you are saying is basically use three 100mbps ports in the switch that go to the same place so that it will send 100mbps data down each cable? It may work, I will be interested to know whether this works also.
 
Exactally.

100mb port in SW1 goes to port 1 on gig switch (would force that to run at 100mb)

100mb port in SW2 goes to Port 2 on gig switch

100mb port in SW3 goes to port 3 on gig switch

Gbit Port 4 on gig switch runs back to main room to Gbit port on main switch...


My theory would say 300mb would then transfer across that main line, instead of 100mb... But that's just my theory...
 
If I understood your idea correctly, it won't work. The speed of the switch applies to connections between nodes, not to all traffic going through the switch combined.
 
Ok, Yeah, I thought since the 3 switches were tied together in that room, it would be 3 switches trying to all transmit over one 100mb port, but if I had each one plugged into a gig switch, sure they would all run at 100mb, but the main line back would be up to a gig instead of 100mb. so I would get full 100mb per switch instead of them trying to share the 100mb line (100 divided by 3 so to speak) But I understand what you are saying, so I guess I wouldn't really get a bump in speed.
 
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