DHCP Server on Palo Alto

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DHCP Server on Palo Alto

L2 Linker

The DHCP server on Palo Alto does not clear the Expired sessions, its stays and we have to manually go and clear the sessions.

 

Can you please help.

10 REPLIES 10

Cyber Elite
Cyber Elite

@Denis,

Can you elaborate on the model and firmware version you are running. It appears that on older software versions this was/is a semi regular issue.

I have the same issue on 8.0.1

 

Capture.JPG

 

 

 

 

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CCNA Security, PCNSE7

Model is PA-500

 

Software Version is 7.1.7

Did anyone from palo alto support revert back to you on this issue.  I've raised a support ticket and waiting for the to revert back.

I never reported it. I suppose I should, but I just sort of accepted it for what it was. There's a lot about the DHCP server that I don't care for. It seems like an afterthought, but it's really not even the primary function of the firewall, so I cut it some slack in that respect.

 

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CCNA Security, PCNSE7

For us its critical as we've used it as the DHCP for all our WIFI's so its quiete inconvinient after each hour to manually clear ou the expired sessions.

 

hoping to find some solution or workaround to this...

You wouldn't actually need to do so manually as the request can be scripted with relative ease. Not that it fixes the issue but it can clear the expired sessions on a set schedule.

Can you show me how to schedule the clear expired sessions. Powershell or Windows task scheduler

 

I've done the script but need to paste it each time on browser

 

 

[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}
$wc = New-Object System.Net.WebClient
$src=$wc.DownloadString("https://MGMTIP/api/?type=commit&cmd=<commit></commit>&key=APIKEY")

 

Replace the address with whatever you are pasting into your browser currently; make sure that you are utilizing the API key as you won't be authenticated if you don't.

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