hwArpLinkDetectMode 1.3.6.1.4.1.2011.5.25.123.1.15.1.14

The detecting mode for ARP linking interface. If the mode is loose and its status is down, current interface just wait to receive the ARP packet, when received peer's arp packet, current interface status is up. If mode is strict, current interface sends ARP detecting packet to peer actively, and shutdown itself, if these is no response from peer after the retry times. If status of current interface is up, it will send ARP packet to detect the status of peer actively, whenever the mode is loose or strict.