Interface name txt Interface name Authentication MD5 key id u32:1-255 OSPF key id Authentication password txt MD5 Key (16 characters or less) ^[^[:space:]]{1,16}$ Password must be 16 characters or less Plain text password txt Plain text password (16 characters or less) ^[^[:space:]]{1,16}$ Password must be 16 characters or less Split horizon parameters Disable split horizon on specified interface Disable split horizon on specified interface