Reads mtu_discovery from config.
Reads mtu_discovery from config.

FossilOrigin-Name: 334b4cc1912400e71c9f15a0ec42800c71eb5c9fd6652ff4c2bad03b821d318f
7u83/actube,7u83/actube,7u83/actube,7u83/actube,7u83/actube