SNMP Configuration and Management Manual

Ethernet Subagent
SNMP Configuration and Management Manual—424777-006
14-29
Traps Generated by the Ethernet Subagent
Traps Generated by the Ethernet Subagent
The Ethernet Subagent generates traps to inform SNMP managers of the status of the
Ethernet interfaces to the configured TCP/IP subsystem. The SNMP managers to
which the Ethernet Subagent sends traps are identified by the set of trap destination
definitions configured for the SNMP agent with which the Ethernet Subagent is
communicating. See Section 2, Installing and Configuring the SNMP Agent, for
information on configuring trap destinations.
The Ethernet Subagent monitors the status of the Ethernet interfaces at the time
interval specified in its zesaRefereshTimer object. Whenever the status of an Ethernet
interface changes, the Ethernet Subagent sends a trap. The Ethernet Subagent only
sends traps to broadcast type trap destinations.
Table 14-7 describes traps the Ethernet Subagent generates. The traps are a subset of
the generic SNMP traps prescribed in RFC 1157.
Table 14-7. Traps Generated by Ethernet Subagent
Generic Trap Type Reason for Generating Trap
linkDown Signals that the Ethernet interface has gone from an operational to a
disabled state.
linkUp Signals that the Ethernet interface has gone from a disabled to an
operational state.