3Com Switch 4200G Configuration Guide

Configuring Trap 281
Configuring Trap Trap is the information that the managed device initially sends to the NMS without
request. Trap is used to report some urgent and important events (for example, the
managed device is rebooted).
Configuration
Prerequisites
Complete SNMP basic configuration.
Configuration Tasks
Set the size of SNMP packet that the
Agent can send/receive
snmp-agent packet
max-size byte-count
Optional
By default, it is 1,500
bytes.
Set the device engine ID snmp-agent local-engineid
engineid
Optional
By default, the device
engine ID is "Enterprise
Number + device
information".
Create or update the view
information
snmp-agent mib-view
{ included | excluded }
view-name oid-tree
Optional
By default, the view name
is ViewDefault and OID is
1.
Table 250 Configure SNMP basic functions (SNMP V3) (Continued)
Operation Command Description
Table 251 Configure Trap
Operation Command Description
Enter system view system-view —
Enable the device to send
Trap packets
snmp-agent trap enable [ configuration
| flash | standard [ authentication |
coldstart | linkdown | linkup |
warmstart ]* | system |]
Optional
By default, the
port is enabled to
send Trap packets.
Enable the
port to
send Trap
packets
Enter port view interface interface-type interface-number
Enable the port
to send Trap
packets
enable snmp trap updown
Quit to system
view
quit
Set Trap target host address snmp-agent target-host trap address
udp-domain { ip-addr } [ udp-port
port-number ] params securityname
security-string [ v1 | v2c | v3
{authentication | privacy }]
Required
Set the source address to send
Trap packets
snmp-agent trap source interface-type
interface-number
Optional
Set the information queue
length of Trap packet sent to
destination host
snmp-agent trap queue-size size Optional
The default value I
s 100.
Set aging time for Trap
packets
snmp-agent trap life seconds Optional
The default aging
time for Trap
packets is 120
seconds.