Hello, According to Document 40367 I'm trying to get the MAC address connected to a specified port. The first stage was: snmpwalk 192.168.0.254 -Os -c public -v 2c .1.3.6.1.2.1.17.4.3.1.1 But the response was: mib-2.17.4.3.1.1 = No Such Instance curr...