Symptom
The switch responds to ARP requests destined to the client.
The client's IP address corresponds to AppGigabitEthernet's MAC address minus one.
ESS-3300#show arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 10.1.1.100 0 70ea.1a12.3455 ARPA Vlan1
ESS-3300#show interfaces AppGigabitEthernet1/1
AppGigabitEthernet1/1 is up, line protocol is up (connected)
Hardware is App-hosting Gigabit Ethernet, address is 70ea.1a12.3456 (bia 70ea.1a12.3456)
Conditions
Cisco IOS-XE version is higher than 17.8.1.
ESS-3300 switch.
Workaround
You can shutdown application-hosting interface.
enable
configure terminal
interface AppGigabitEthernet1/1
shutdown
end
