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Questions about traffic and a small network
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Forum:
The Lobby
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#1 By
81627 (81.178.113.62)
at
Saturday, July 07, 2007 06:37:02 AM
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Hi,
I’m looking for some advice about a small, but not simple network
I look after a few PC’s for a charity and the interconnection has grown more complicated over the years.
By way of background there are:
7 PC’ connected via Ethernet
2 PCs connected wirelessly
2 Printers connected to the network
There is an 8 port router, and four port router/modem (broadband), and a wireless router with 4 ethernet connections. Most of the wired PC’s connect to the 8 port router. The router connects to the router/modem as does the wireless router.
One PC acts as a central database and so it will be busy.
This PC also connects to the internet, as do a couple of others.
My query is about how best to connect these for best throughput.
1. Am I likely to get slowdown with this no. of PCs & printer connections (am I worrying needlessly) ?
2. Does it really matter if some PCs connect through a couple of hops?
3. Would the PC that is the central database benefit from 2 LAN adapters, one connection to the 8 port router and the other to the router/modem to handle the internet connection separately.
I know this is a bit of how long is a piece of string but any comments about traffic on this would be a help.
Thanks
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#2 By
81717 (76.168.245.44)
at
Sunday, July 08, 2007 04:21:55 PM
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First of all what are the port speeds on the NIC's of these devices. You should have them all match on the local network for best thruput. Id make sure all my computers had GIGbit speed NICs and that 8 port router that it seems liek you are basically using as a switch proabably is 10/100 wo Id invest in a GIG switch and then connect that to your broadband modem and use the firewall in the modem/router as your main gateway and do all your port forwarding configs from that point. The printers i wouldnt worry about. they can be 10/100 they arent really a traffic area Id say. In answer to Question 2: hops create more lag you can encounter especailly if the port speeds are not consistent. Thats why Id ditch the 8 port router and get a gig switch proabably a Layr2 type somthing simple like a netgears gsm7224 which gives you room for growth and supposedly supports Link Aggregation (Port Trunking) which solves question 3. In case youre unfamiliar LAG (Link Aggregation) is where you take two ports on a switch and configure the switch so that the two (usually and highly recommended) adjacent ports act as 1 big connection thus combining the thruput of both ports, likewise whatever youre connecting to must have two ports to connect to usually the same speed and make of NIC is recommended and the NIC must support LAG. I hope this helps some.
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