Which LAN feature enables a default gateway to inform its end devices when a better path to a destination is available?
A. HSRP
B. ICMP unreachable messages
C. ICMP redirects
D. Proxy ARP
Which LAN feature enables a default gateway to inform its end devices when a better path to a destination is available?
C
https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/nx-os-software/213841-understanding-icmp-redirect-messages.html#anc4
ICMP Redirect Messages
ICMP redirect functionality is explained in RFC 792 “Internet Control Message Protocol” with the following example