ARP on Firewall interface default 1800 sec
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ARP on Firewall interface default 1800 sec

L4 Transporter

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

L3 Networker

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


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



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