https://live.paloaltonetworks.com/t5/general-topics/arp-on-firewall-interface-default-1800-sec/m-p/287582#M76720 <P>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.</P> Tue, 10 Sep 2019 11:55:27 GMT fatboy1607 2019-09-10T11:55:27Z https://live.paloaltonetworks.com/t5/general-topics/arp-on-firewall-interface-default-1800-sec/m-p/287582#M76720 <P>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.</P> Tue, 10 Sep 2019 11:55:27 GMT https://live.paloaltonetworks.com/t5/general-topics/arp-on-firewall-interface-default-1800-sec/m-p/287582#M76720 fatboy1607 2019-09-10T11:55:27Z https://live.paloaltonetworks.com/t5/general-topics/arp-on-firewall-interface-default-1800-sec/m-p/287589#M76721 <P>The default AP entry cache on the PA is 30 mins as you already mentioned:</P><P><A href="https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000CldWCAS" target="_blank" rel="noopener">https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000CldWCAS</A>&nbsp;</P><P>&nbsp;</P><P>If you want to update upstream ARP cache then GARP technique can be used:</P><P><A href="https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Clu9CAC" target="_blank" rel="noopener">https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Clu9CAC</A>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 10 Sep 2019 13:22:35 GMT https://live.paloaltonetworks.com/t5/general-topics/arp-on-firewall-interface-default-1800-sec/m-p/287589#M76721 myky 2019-09-10T13:22:35Z