October 12, 2008 06:18am pdt

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	[x] Attachment Details

mixed 100/1000 lan design

[x]

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8.5

Zones: Network Design & Methodology, Computer Servers, AppleShare IP

Tags: Lan design, mixed 100 1000mb clients, server, router numbering

I need to figure out how to design and number a mixed 100/1000 MB client environment.
The mix:
"      28 G3 PPC clients only have 100 MB capable nics.
"      15 G4 PPC clients or so have 1000mb nics
Resources:
"      Server G5 tower, 8gb ecc ram, Highpoint RocketRaid 2320 card
"       enclosure with the share points in Raid 5
"      Two independent nic ports
"      One wireless nic

Current design:
"      Eth 1 feeds all the g3 100 mb capable clients all of which have fixed ip/s
"      The server is the router numbered 192.168.1.1 255.255.0.0
"      Clients are 192.168.1.2 255.255.0.0 and so on.
"      All clients are wired through cascaded (stupid) switches that terminate with machine 27.
"      Currently there is no common switch between the 1000 cascade and the 100 cascade.
Needs:
"      All clients 100 and 1000 will need access to the same shares I host.
"      All clients must have fixed IP/s
"      I would like to be able to save my EN 0 for my own high bandwidth Internet connection.

Main question flow:
"      If I plug in the eth 1 feed into the first of my 1000gb switches (which are new
auto negotiate types) instead of directly into the eth 1 port in the tower:
1. Will that create a loop back?
2. If not, will it slow down my 1000 mb branch
3. If not, should I just pick up numbering the 1000 MB clients 192.168.1.28 and so on.

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