topic Re: Cisco ARP in Network Security https://community.cisco.com/t5/network-security/cisco-arp/m-p/4689417#M1093466 <P>Depends on the device, not the necessary device is offline.</P> <P><SPAN>ARP timeout is 4 hours or 240 minutes (Cisco default value) - if this is not changed, after 240minutes if the device not responding that go in to incomplete.</SPAN></P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 19 Sep 2022 07:24:41 GMT balaji.bandi 2022-09-19T07:24:41Z Cisco ARP https://community.cisco.com/t5/network-security/cisco-arp/m-p/4689292#M1093464 <P>If the AGE of the arp entry increases does this mean the device is offline.</P><P>In this exampe the age of 10.59.33.25 is 194 Minutes and increasing.</P><P>DRWEXTRTR02#sh ip arp vrf OPTUS-SIP<BR />Protocol Address Age (min) Hardware Addr Type Interface<BR />Internet 10.59.33.25 194 3c61.042f.49f0 ARPA GigabitEthernet0/0/0.925<BR />Internet 10.59.33.26 - 00be.75e7.f160 ARPA GigabitEthernet0/0/0.925<BR />Internet 123.102.240.97 - 00be.75e7.f160 ARPA GigabitEthernet0/0/0.927<BR />Internet 123.102.240.98 0 0090.8fa9.e886 ARPA GigabitEthernet0/0/0.927<BR />DRWEXTRTR02#sh ip arp vrf OPTUS-SIP<BR />Protocol Address Age (min) Hardware Addr Type Interface<BR />Internet 10.59.33.25 197 3c61.042f.49f0 ARPA GigabitEthernet0/0/0.925<BR />Internet 10.59.33.26 - 00be.75e7.f160 ARPA GigabitEthernet0/0/0.925<BR />Internet 123.102.240.97 - 00be.75e7.f160 ARPA GigabitEthernet0/0/0.927<BR />Internet 123.102.240.98 0 0090.8fa9.e886 ARPA GigabitEthernet0/0/0.927</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 19 Sep 2022 05:00:48 GMT https://community.cisco.com/t5/network-security/cisco-arp/m-p/4689292#M1093464 darren mcleish 2022-09-19T05:00:48Z Re: Cisco ARP https://community.cisco.com/t5/network-security/cisco-arp/m-p/4689417#M1093466 <P>Depends on the device, not the necessary device is offline.</P> <P><SPAN>ARP timeout is 4 hours or 240 minutes (Cisco default value) - if this is not changed, after 240minutes if the device not responding that go in to incomplete.</SPAN></P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 19 Sep 2022 07:24:41 GMT https://community.cisco.com/t5/network-security/cisco-arp/m-p/4689417#M1093466 balaji.bandi 2022-09-19T07:24:41Z