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Putting a new server behind a firewall that has no NIC's spare

Posted on 2004-04-27
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Last Modified: 2013-11-16
hi,
I'm wanting to put in a new file server behind the already existing firewall (Cisco PIX 515e) which has already used up all its NIC's with a terminal server, sql server, Nortel contivity switch, linux proxy and mail server, and a win 2k server that hosts extranet web pages. my network layout looks like this:
                                                     Internal LAN
                                                           |
                                        |-------------Hub
                                        |
                                        |--------rest of the other servers
                                        |
                                        |
FOBOT----switch-----PIX firewall-----|--Contivity Switch
                                                     |        |
                                                     |-----hub-----Cisco 801 router------64k IDSN----------

This new file server going in is going to be accessed remotely via the fibre optic over the other side of the site, i want this server to be on like a VLAN so users connecting to it cant see the rest of the equipment on the network, how would i go about doing this?

thanks anthony
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Question by:Anthony_E
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6 Comments
 
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Expert Comment

by:lrmoore
ID: 10935212
How many interfaces do you have on the PIX? 3 or 6? If only 3, then you can swap out the single NIC for a quad port (if you have unrestricted license).
Does your internal switch do VLANS? If so, your PIX inside interface does too...
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LVL 5

Author Comment

by:Anthony_E
ID: 10935632
yeah my switch does do VLANS, so does that mean all i have to do is setup a VLAN for 1 port and setup the PIX for that IP?
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LVL 5

Author Comment

by:Anthony_E
ID: 10935645
and by the looks of it it has 5 interfaces, i cant see behind the actuall PIX cos its mounted and from diagrams i have from ppl who documented it it seems to have 5 interfaces all being used.
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Author Comment

by:Anthony_E
ID: 10935648
sorry its 6 not 5 must have typoed twice
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LVL 79

Accepted Solution

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lrmoore earned 125 total points
ID: 10938011
Are all interfaces already in use? If you have 4 different DMZ's why can't you just add this server to one of those DMZ's already set up?
It's not quite that simple, you have to setup your trunking and the switchport connecting to the pix must be a trunk port, setup sub-interfaces on the pix and assign the sub-interfaces the appropriate IP addresses.
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Author Comment

by:Anthony_E
ID: 10943744
thanks for your help you certainly pointed me into the right direction
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