ZyXEL Communications 1000 ユーザーズマニュアル

 Chapter 50 System

ZyWALL USG 1000 User’s Guide

• 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.

The ZyWALL supports MIB II that is defined in RFC-1213 and RFC-1215. The 
ZyWALL 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 ZyWALL’s MIBs from 
www.zyxel.com.

The ZyWALL will send traps to the SNMP manager when any one of the following 
events occurs.

To change your ZyWALL’s SNMP settings, click Configuration > System > SNMP 
tab. The screen appears as shown. Use this screen to configure your SNMP 

Table 238   SNMP Traps

Cold Start

1.3.6.1.6.3.1.1.5.1

This trap is sent when the ZyWALL is turned 
on or an agent restarts.

linkDown

1.3.6.1.6.3.1.1.5.3

This trap is sent when the Ethernet link is 
down.

linkUp

1.3.6.1.6.3.1.1.5.4

This trap is sent when the Ethernet link is 
up.

authenticationFailure 1.3.6.1.6.3.1.1.5.5

This trap is sent when an SNMP request 
comes from non-authenticated hosts.