https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856941#M1101733 <P>I Check and as I mention before if the traffic is life (show conn show the status of traffic) then asa when arp timeout send new arp and add new entry to arp table.</P> <P>But if the traffic is terminated by idle timeout or by clear local-host the asa after arp timeout will remove this entry and not add it again.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot (807).png" style="width: 999px;"><img src="https://community.cisco.com/t5/image/serverpage/image-id/187853i3E826F7C15948B9B/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot (807).png" alt="Screenshot (807).png" /></span></P> Sun, 18 Jun 2023 09:46:45 GMT MHM Cisco World 2023-06-18T09:46:45Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856899#M1101728 <P>hi,</P><P>what is the last number in sh arp command output ?</P><P>interface IP MAC NUMBER</P> Sun, 18 Jun 2023 06:24:45 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856899#M1101728 DraganSkundric87318 2023-06-18T06:24:45Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856903#M1101729 <P>looks like counter to arp timeout I guess. Does live traffic resets counter or new arp request is generated after arp timeout regerdless the traffic?</P> Sun, 18 Jun 2023 06:36:24 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856903#M1101729 DraganSkundric87318 2023-06-18T06:36:24Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856915#M1101730 <P>This is aging of arp'</P> <P>If your traffic is life then it continues add arp with new again to arp table.</P> <P>If traffic not life this arp entry will remove&nbsp;</P> Sun, 18 Jun 2023 06:51:53 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856915#M1101730 MHM Cisco World 2023-06-18T06:51:53Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856925#M1101731 <P>after some monitoring an traffic capture .... this number shows how log is entry in cache. When it reaches 14400 (few seconds before) new arp req is generated. Live traffic do not reset counter</P> Sun, 18 Jun 2023 08:43:41 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856925#M1101731 DraganSkundric87318 2023-06-18T08:43:41Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856927#M1101732 <P>I will check this point&nbsp;</P> Sun, 18 Jun 2023 08:51:24 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856927#M1101732 MHM Cisco World 2023-06-18T08:51:24Z https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856941#M1101733 <P>I Check and as I mention before if the traffic is life (show conn show the status of traffic) then asa when arp timeout send new arp and add new entry to arp table.</P> <P>But if the traffic is terminated by idle timeout or by clear local-host the asa after arp timeout will remove this entry and not add it again.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot (807).png" style="width: 999px;"><img src="https://community.cisco.com/t5/image/serverpage/image-id/187853i3E826F7C15948B9B/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot (807).png" alt="Screenshot (807).png" /></span></P> Sun, 18 Jun 2023 09:46:45 GMT https://community.cisco.com/t5/network-security/asa-show-arp/m-p/4856941#M1101733 MHM Cisco World 2023-06-18T09:46:45Z