Filter
Top Products
Appendix A. Understanding SNMP
1200420L1-1 ESU 120e User Manual A-3
MESSAGES
The network device issues two types of messages: GetResponse
and Tra p.
GetResponse
This message is the response to a network manager GetRequest or
GetNextRequest command.
Trap
This is an unsolicited message issued by a network device to report
an operational anomaly or an alarm condition to the network man-
ager.
These messages are typically encased within informational packets
and transported over the LAN or WAN (wide area network).
ESU 120E SNMP ACCESS
By default, SNMP MIB Browser access to the ESU 120e IP address
with the configured community names, accesses the host. The ESU
120e can also act as an SNMP proxy agent for external units. To
access MIB variables on externally chained devices, append a
period and the Unit ID of the device to the Read and Read/Write
community names. For example, if the Read community name
configured in the ESU 120e is public, specifying "public.3" as the
community name in the SNMP MIB Browser allows reading SNMP
MIB variables from externally chained unit 3.
If the external unit's passcode is not the default, an entry must be
added to the Unit Access Table for SNMP MIB access. See the Unit
Access Table section in Chapter 3: Operation for more information.
However, SNMP traps for the unit can be forwarded without the
entry.