ZyXEL Communications 2304R-P1 - Manual (Page 45)

Prestige 2304 Support Notes
All contents copyright (c) 2005 ZyXEL Communications Corporation.
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• Variable-bindings Associates particular object with their value.
3. ZyXEL SNMP Implementation
ZyXEL currently includes SNMP support in some Prestige routers. It is implemented based on the SNMPv1, so
it will be able to communicate with SNMPv1 NMSs. For SNMPv1 operation, ZyXEL permits one community
string so that the router can belong to only one community and allows trap messages to be sent to only one
NMS manager.
Some traps are sent to the SNMP manager when anyone of the following events happens:
• coldStart (defined in RFC-1215) :
If the machine coldstarts, the trap will be sent after booting.
• warmStart (defined in RFC-1215) :
If the machine warmstarts, the trap will be sent after booting.
• linkDown (defined in RFC-1215) :
If any link of IDSL or WAN is down, the trap will be sent with the port number . The port number is its
interface index under the interface group.
• linkUp (defined in RFC-1215) :
If any link of IDSL or WAN is up, the trap will be sent with the port number . The port number is its
interface index under the interface group.
• authenticationFailure (defined in RFC-1215) :
When receiving any SNMP get or set requirement with wrong community, this trap is sent to the manager.
1. whyReboot (defined in ZYXEL-MIB) :
When the system is going to restart (warmstart), the trap will be sent with the reason of restart before rebooting.
(i) For intentional reboot :
In some cases (download new files, CI command "sys reboot", ...), reboot is done intentionally. And traps with
the message "System reboot by user !" will be sent.