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DHCP Status / IP's available

Tim Bright

Yesterday we had a problem where a couple of computers were not receiving an IP address from our DHCP server which lives on our XG330.  I disabled the pool for a couple seconds and then re-enabled it and those systems were able to get an IP.  My assumption is that we are running out of IP's in our pool but I am trying to verify that.  On a Windows DHCP Server you can quickly see a status of how many IPs are currently used and how many are available to be issued.  I have looked around in the GUI of the firewall and did some searching on the form but can't seem to find anything. 

Any assistance with this would be greatly appreciated.



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    cat /tmp/dhcpd.leases should do it , its not going to give you the total number of leases but it will render it on the cli which can help you figure out the ip addressing. 

    Alternatively if you have issues with DHCP, check in dhcpd.log and applog.log and also take a tcpdump on port 67 and 68, which should get you an idea where the problem is

  • 0 in reply to kranthi yadlapudi

    Thanks for the command to list all the current leases.  It's not exactly what I was looking for but could help.  My hope was to find something that said the pool is 150 IP's and there are 145 issued.  But it doesn't seem like that is something the engineers built into the system.

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