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Features

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.

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