Dynamic Arp Inspection - Uplink drops after several hours

[douglas.mckee]

Good Morning,

We have DHCP snooping successfully running but when we try to add "ip arp inspection" as listed below the uplink drops to our 3650 switch after 6-8 hours. Does the "ip arp inspection trust" command need to be on the adjoining switch trunk port as well to get this to work?

Thank you,

Doug

ip arp inspection vlan USER_VLAN

interface GigabitEthernetX/X/XX  [UPLINK INTERFACE-TRUSTED]

 switchport mode trunk

 ip arp inspection trust

[MHM Cisco World · Accepted solution]

I think the limit which make port down, you must increase the ARP limit in trunk port.

ip arp inspection limit {rate pps [burst interval seconds] | none}