Hi,
Can anybody help me to design and implement my
network.
following are the basic required functioning:
I have four different groups: Admin, Developement,
Works(Mail), Works(Chat).
Access rights for these are as follows:
Admin : Can access to Internet and
also access Internal Net(LAN).
Developement : Can not access Internet and
Internel net but some time require to access internal
net.
Works(Mail) : Can not access internet but
can access internal net(LAN).
Works(Chat) : Can access to Internet only for
browsing and chat no other task like ftp,telnet etc,
and also access
Internal Net(LAN).
Hardware Description:
Servers: Sun 5s, Sun10s.
Router: Cisco 2621 (2Wan port and
2Lan port)
Switches: Cisco Enterprise Switch 2912
XL EN
Cisco 2924
Cisco 1924
Nodes: About 200 (PIII m/c)
INternet: International Private
Leased Circuit(IPLC) between NY to Jaipur.
proposed Net Layout:
Router-> SUN 5S -> EP 2912 XL EN Switch -> SUN10S
|-> 1924Switch-> Admin
|-> 1924Switch->Developement
|-> 2924Switch->Works(M,c)
|-> 2924Switch->Works(M,c)
|-> 2924Switch->Works(M,c)
On Sun 5S We are running Web and Mail server
On Sun 10S We are running Our internal Database
server, 10S is accessed by only our software no
external user can't access this.
Queries:
What will be the best Network address(IP) scheme with
netmask or without netmask.
Does we require any router to switch the traffic
between different groups of internal net(LAN).
How I can restrict outside world user to access my
internal net.
Can I stop internal user to change his own IP address.
Is Firewall is required, if yes then which one and
where I put that, just next to router.
Which is the best protection from Virus atteck.
Is there any software which can help me to check my
network traffic internal as well as External.
Thanks in advance.
Gunjan Mathur
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