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Dynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) can be used to automatically assign IP
addresses, deliver TCP/IP stack configuration parameters such as the subnet mask and
default router, and provide other configuration information. For further details, see "IP
address assignment alternatives" on page 39.
Auto-IP
Auto-IP is a protocol that will automatically assign an IP address from a reserved pool of
standard Auto-IP addresses to the computer on which it is installed. Digi devices are set to
obtain its IP address automatically from a DHCP server. But if the DHCP server is
unavailable or nonexistent, Auto-IP will assign the device an IP address. For further
details, see "IP address assignment alternatives" on page 39.
Simple Network Management Protocol (SNMP)
Simple Network Management Protocol (SNMP) is a protocol for managing and
monitoring network devices. SNMP architecture enables a network administrator to
manage nodes--servers, workstations, routers, switches, hubs, etc.--on an IP network;
manage network performance, find and solve network problems, and plan for network
growth. Digi devices support SNMP Version 1. For more information on SNMP as a
device-management interface, see "Simple Network Management Protocol (SNMP)" on
page 58.
Supported RFCs and MIBs
Digi devices support these SNMP-related Request for Comments (RFCs) and
Management Information Bases (MIBs):
RFC 1213 - Management Information Base (MIB) II
RFC 1215 - Generic Traps (coldStart, linkUp, authenticationFailure only)
RFC 1316 - Character MIB
RFC 1317 - RS-232 MIB
DIGI-DEVICE-INFO.mib - A Digi enterprise MIB for displaying device
information.
DIGI-SERIAL-ALARM-TRAPS.mib - A Digi enterprise MIB for sending
alarms as SNMP traps.