ZyXEL Communications ES-2108 User Manual

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ES-2108 Series User’s Guide
Chapter 22 Access Control
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22.3.1  Supported MIBs  
MIBs let administrators collect statistics and monitor status and performance.
The switch supports the following MIBs:
• SNMP MIB II (RFC 1213)
• RFC 1157 SNMP v1
• RFC 1493 Bridge MIBs
• RFC 1643 Ethernet MIBs
• RFC 1155 SMI
• RFC 2674 SNMPv2, SNMPv2c
• RFC 1757 RMON
• Private  MIBs
22.3.2  SNMP Traps  
The switch sends traps to an SNMP manager when an event occurs. SNMP traps supported are 
outlined in the following table. 
22.3.3  Configuring SNMP 
From the Access Control screen, display the SNMP screen.  You can click Access Control to 
go back to the Access Control screen. 
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.
Table 43   SNMP Commands
COMMAND
DESCRIPTION
Table 44   SNMP Traps 
GENERIC TRAP
SPECIFIC TRAP
DESCRIPTION
0 (Cold Start)
0
This trap is sent when the switch is turned on.
1 (Warm Start)
0
This trap is sent when the switch restarts.
2 (linkDown)
0
This trap is sent when the Ethernet link is down.
3 (linkUp)
0
This trap is sent when the Ethernet link is up.
4 (Authentication 
Failure)
0
This trap is sent when an SNMP request comes from 
non-authenticated hosts.