3Com Switch 4800G 24-Port Configuration Manual page 1069

SNMP Test
Configuration Example
Min negative SD: 1
Max negative SD: 15
Negative SD number: 3
Negative SD sum: 17
Negative SD average: 6
Negative SD square sum: 227
SD lost packet(s): 0
Lost packet(s) for unknown reason: 0
Network requirements
Use the NQA SNMP query function to test the time it takes Device A to send an
SNMP query packet to the SNMP agent and receive a response packet.
Network diagram
Figure 314 Network diagram for SNMP test
NQA Client
10.1.1.1/8
Switch A
Configuration procedure
1 Configurations on SNMP agent.
# Enable the SNMP agent service and set the SNMP version to all, the read
community to public, and the write community to private.
<DeviceB> system-view
[DeviceB] snmp-agent sys-info version all
[DeviceB] snmp-agent community read public
[DeviceB] snmp-agent community write private
2 Configurations on Device A.
# Create an SNMP query test group and configure related test parameters.
<DeviceA> system-view
[DeviceA] nqa entry admin test
[DeviceA-nqa-admin-test] type snmp
[DeviceA-nqa-admin-test-snmp] destination ip 10.2.2.2
[DeviceA-nqa-admin-test-snmp] quit
# Enable the SNMP query test.
[DeviceA] nqa schedule admin test start-time now lifetime forever
# Display results of an SNMP test.
[DeviceA] display nqa result admin test
NQA entry(admin admin, tag test) test results:
Destination IP address: 10.2.2.2
Send operation times: 1
Min/Max/Average round trip time: 50/50/50
Square-Sum of round trip time: 2500
Last succeeded probe time: 2007-03-27 13:59:43.1
Extend results:
Min negative DS: 1
Max negative DS: 1
Negative DS number: 3
Negative DS sum: 17
Negative DS average: 6
Negative DS square sum: 227
DS lost packet(s): 0
10.2.2.2/8
IP network
NQA Configuration Examples
SNMP Agent
Switch B
Receive response times: 1
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