Chapter 12 Remote Management
12.8.3 SNMP Traps
SNMP traps are messages sent by the agents of each managed device to the SNMP manager. These messages inform the administrator of events in data networks handled by the device. The NWA can send the following traps to the SNMP manager.
Table 41 SNMP Traps
TRAP NAME | OBJECT IDENTIFIER # | DESCRIPTION | |
(OID) | |||
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Generic Traps |
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coldStart | 1.3.6.1.6.3.1.1.5.1 | This trap is sent after booting (power on). | |
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| This trap is defined in | |
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warmStart | 1.3.6.1.6.3.1.1.5.2 | This trap is sent after booting (software | |
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| reboot). This trap is defined in | |
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linkDown | 1.3.6.1.6.3.1.1.5.3 | This trap is sent when the Ethernet link is | |
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| down. | |
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linkUp | 1.3.6.1.6.3.1.1.5.4 | This trap is sent when the Ethernet link is up. | |
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authenticationFailure | 1.3.6.1.6.3.1.1.5.5 | The device sends this trap when it receives | |
(defined in |
| any SNMP get or set requirements with the | |
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| wrong community (password). | |
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| Note: snmpEnableAuthenTraps, OID | |
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| 1.3.6.1.2.1.11.30 (defined in RFC 1214 and | |
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| RFC 1907) must be enabled on in order for | |
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| the device to send authenticationFailure | |
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| traps. Use a MIB browser to enable or disable | |
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| snmpEnableAuthenTraps. | |
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Traps defined in the |
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ZyXEL Private MIB. |
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whyReboot | 1.3.6.1.4.1.890.1.5.13.0. | This trap is sent with the reason for restarting | |
| 1 | before the system reboots (warm start). | |
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| "System reboot by user!" is added for an | |
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| intentional reboot (for example, download | |
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| new files, CI command "sys reboot"). | |
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| If the system reboots because of fatal errors, | |
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| a code for the error is listed. | |
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pwTFTPStatus | 1.3.6.1.4.1.890.1.9.2.3.3 | This trap is sent to indicate the status and | |
| .1 | result of a TFTP client session that has ended. | |
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Some traps include an SNMP interface index. The following table maps the SNMP interface indexes to the NWA’s physical and virtual ports.
Table 42 SNMP Interface Index to Physical and Virtual Port Mapping
TYPE | INTERFACE | PORT |
Physical | enet0 | Wireless LAN adaptor WLAN1 |
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| enet1 | Ethernet port (LAN) |
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| enet2 | Wireless LAN adaptor WLAN2 |
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Virtual | enet3 ~ enet9 | WLAN1 in MBSSID mode |
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| enet10 ~ enet16 | WLAN2 in MBSSID mode |
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| enet17 ~ enet21 | WLAN1 in WDS mode |
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| enet22 ~ enet26 | WLAN2 in WDS mode |
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| 117 |
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