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Pix Firewall Setup DHCP DNS

Posted on 2004-03-29
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Last Modified: 2013-11-16
I came into a network blind.  It has a Pix 501 installed.  I *think after first looking at the setup, that this is the device that is giving out DHCP.  However, i added a win2k3 SBS to the list and i need for the DHCP DNS servers to point to the internal new domain server.  For example, the DNS Serves the clients are receieving now are external IPs for our ISP, however, for the domain to work, i need the DNS IPs the server gives to point to 192.168.5.3 (internal server ip).  I have limited knowledge in dealing with pix, i set my 506E up but it was a basic config, i didn't do any DHCP things.  Please help.

Thanks,
Nick
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Question by:NickUA
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by:NickUA
ID: 10704463
Or better yet, how do i turn off DHCP on the pix?  I'll just have the server do it and use the Pix as the gateway or just as what it's meant to be, a firewall.

1) How do i backup the current config
2) Turn off the DHCP
3) if it bothces everything - re-instate the pix config.
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lrmoore earned 2000 total points
ID: 10705261
Easy way to backup the config is using the PDM GUI, file, sho running config in new window, save as... anything.txt

Else, use the capture mode of Hyperterm to capture output to file and use "show config"
Then stop the capture. You might have to space-bar through

2) From command line:
no dhcpd enable

3) from command line:
dhcpd enable

http://www.cisco.com/en/US/products/sw/secursw/ps2120/products_command_reference_chapter09186a00801049b7.html#1025497
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by:lrmoore
ID: 12353612
The answers provided were direct and explicit - and correct.

Don't leave me hanging, Nick!
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