Supported Mibs; Snmp Traps - ZyXEL Communications NXC5200 User Manual

SNMP itself is a simple request/response protocol based on the manager/agent
model. The manager issues a request and the agent returns responses using the
following protocol operations:
• Get - Allows the manager to retrieve an object variable from the agent.
• GetNext - Allows the manager to retrieve the next object variable from a table
or list within an agent. In SNMPv1, when a manager wants to retrieve all
elements of a table from an agent, it initiates a Get operation, followed by a
series of GetNext operations.
• Set - Allows the manager to set values for object variables within an agent.
• Trap - Used by the agent to inform the manager of some events.

33.10.1 Supported MIBs

The NXC supports MIB II that is defined in RFC-1213 and RFC-1215. The NXC also
supports private MIBs (zywall.mib and zyxel-zywall-ZLD-Common.mib) to collect
information about CPU and memory usage and VPN total throughput. The focus of
the MIBs is to let administrators collect statistical data and monitor status and
performance. You can download the NXC's MIBs from www.zyxel.com.

33.10.2 SNMP Traps

The NXC will send traps to the SNMP manager when any one of the following
events occurs.
Table 189 SNMP Traps
OBJECT LABEL
Cold Start
linkDown
linkUp
authenticationFailure 1.3.6.1.6.3.1.1.5.5
NXC5200 User's Guide
OBJECT ID DESCRIPTION
1.3.6.1.6.3.1.1.5.1 This trap is sent when the NXC is turned on
or an agent restarts.
1.3.6.1.6.3.1.1.5.3 This trap is sent when the Ethernet link is
down.
1.3.6.1.6.3.1.1.5.4 This trap is sent when the Ethernet link is
up.
This trap is sent when an SNMP request
comes from non-authenticated hosts.
Chapter 33 System
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