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My ASA 5505 has stopped giving out DHCP address to my machines.
Everything was working fine and nothing has changed in the network. I've reloaded the firewall and clear all DHCP on the firewall I've even re-entered the cmd on the ASA.
I'm able to staticlly assigned address to the clients and all is way. When I do a DHCP debug on the ASA I don't see any events relating to the DHCP service apart from checking for lease expiry.
I've also tried to plug a machine straight into the ASA and no result. I finally did a packet capture and I am seeing the client machine sending out a DHCP discover packet and nothing else is responding.
My ASA config is:
dhcpd address 192.168.3.10-192.168.3.33 inside
dhcpd dns 18.104.22.168 interface inside
dhcpd option 3 ip 192.168.3.1 interface inside
dhcpd enable inside
Any help would be appreciated.
Check if dhcp daemon is running on the ASA. Use Show process or filter as below....
Show processes | inc dhcp
Show processes | inc DHCPD
If dhcp daemon not running, then as you already retarted the ASA, try different OS.
I've checked the ASA and the dhcp deamon is running:
Router# Show processes | inc dhcp
Mwe 081ca8be d8b09ed4 09e31bac 0 d8b06090 15240/16384 dhcp_daemon
Router# Show processes | inc DHCPD
Mwe 081c8cd1 d81cd3b4 09e31bac 8 d81cb510 7712/8192 DHCPD Timer
Also it was working before and how stopped working, but nothing has changed?
I don't think you see any output for this, but try 'show dhcpd bindigs'. If you see any entries, then clear them and see if that works (the reload rules out any 'clear' though). There should be couple of other processes for 2nd command output when clients get IP addresses. Try changing OS.
Nope there are not DHCP bindings.
The problem is I don't have access to anthor OS for the ASA, therefore changing the OS is not a option. I am accessing it remotly, I am not able to reload the entire router and then reload there startup-config as I will loose connection.
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