Answer for:

Cisco 851W FE4 not getting IP from dhcp

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You have interface FastEthernet4 configured with "ip inspect fw out" but no access-list is applied to that interface. Also, you are only inspecting TCP traffic with that firewall config: "ip inspect name fw tcp".

First, remove the firewall from the interface ("no ip inspect fw out") and see if that helps.

If you still don't get an IP try this:
"terminal monitor"
"debug dhcp detail"
then shut interface fastethernet4 and reopen:
"conf t"
"int fa4"
"no shut"
Press CTRL + Z
If you get any output from the debug post it back here.
Turn off debugging:
"undebug all"