ARP on Firewall interface default 1800 sec

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L4 Transporter

ARP on Firewall interface default 1800 sec

I have firewalll connected to ISP link , I want to check total number of minutes ARP entry is there from next hop I can see default is 1800 sec.

SD-WAN | Cloud Networking | PCNSE | ICSI CNSS | MCNA | | CCNP | CCSA | SPSP | SPSX | F5-101 | CCIE-SEC-Attempted
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L3 Networker

Re: ARP on Firewall interface default 1800 sec

The default AP entry cache on the PA is 30 mins as you already mentioned:

https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000CldWCAS 

 

If you want to update upstream ARP cache then GARP technique can be used:

https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Clu9CAC 

 

 

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