3Com S7902E, Configuration Manual

Page: 2266 / 2621

1-18
# Configure the test frequency as 100 ms.
[SwitchA-nqa-admin-test-icmp-echo] frequency 100
# Configure reaction entry 1, specifying that five consecutive probe failures trigger the Static
Routing-Track-NQA collaboration.
[SwitchA-nqa-admin-test-icmp-echo] reaction 1 checked-element probe-fail threshold-type
consecutive 5 action-type trigger-only
[SwitchA-nqa-admin-test-icmp-echo] quit
# Start NQA probes.
[SwitchA] nqa schedule admin test start-time now lifetime forever
4) Configure a track entry on Switch A.
# Configure track entry 1, and associate it with reaction entry 1 of the NQA test group (with the
administrator admin , and the operation tag test) .
[SwitchA] track 1 nqa entry admin test reaction 1
5) Verify the configuration
# Display information of the track entry on Switch A.
[SwitchA] display track all
Track ID: 1
Status: Positive
Notification delay: Positive 0, Negative 0 (in seconds)
Reference object:
NQA entry: admin test
Reaction: 1
# Display the routing table of Switch A.
[SwitchA] display ip routing-table
Routing Tables: Public
Destinations : 5 Routes : 5
Destination/Mask Proto Pre Cost NextHop Interface
10.1.1.0/24 Static 60 0 10.2.1.1 Vlan3
10.2.1.0/24 Direct 0 0 10.2.1.2 Vlan3
10.2.1.2/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
The output information above indicates the NQA test result, that is, the next hop 10.2.1.1 is reachable
(the status of the track entry is Positive), and the configured static route is valid.
# Remove the IP address of interface VLAN-interface 3 on Switch B.
<SwitchB> system-view
[SwitchB] interface vlan-interface 3
[SwitchB-Vlan-interface3] undo ip address
# Display information of the track entry on Switch A.
[SwitchA] display track all
Track ID: 1
Status: Negative