Digi TransPort User Manual page 416

SNMP parameters
Enable SNMPv1
Ticking this checkbox enables support for version 1 of the protocol.
Enable SNMPv2c
Ticking this checkbox enables support for version 2c of the protocol.
Enable SNMPv3
Ticking this checkbox enables support for version 3 of the protocol.
Use UDP Port n
This is the UDP port number to use. The default is UDP port 161.
SNMPv3 Engine ID
This is required as part of the SNMP v3 protocol. This is a 24 hexadecimal character string; any
trailing zeroes in this string making the value up to 24 characters can be omitted. A remote
engine ID is required when a SNMP v3 Inform is configured. The remote engine ID is used to
compute the security digest for authenticating and encrypting packets sent to a user on the
remote host.
Digi TransPort User Guide 416