Cisco 7604 Configuration Manual page 946
Ios software configuration guide
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- Configuration manual (742 pages) ,
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Per-Port Tests
TestNonDisruptiveLoopback
The TestNonDisruptiveLoopback test verifies the data path between the supervisor engine and the
network ports of a module. In this test, a Layer 2 packet is flooded onto VLAN that contains a group of
test ports. The test port group consists of one port per port ASIC channel. Each port in the test port group
nondisruptively loops back the packet and directs it back to the supervisor engine's inband port. The
ports in the test port group are tested in parallel.
Table A-4
Attribute
Disruptive/Nondisruptive
Recommendation
Default
Release
Corrective action
Hardware support
TestLoopback
The TestLoopback test verifies the data path between the supervisor engine and the network ports of a
module. In this test, a Layer 2 packet is flooded onto a VLAN that consists of only the test port and the
supervisor engine's inband port. The packet loops back in the port and returns to the supervisor engine
on that same VLAN.
Table A-5
Attribute
Disruptive/Nondisruptive
Recommendation
Default
Release
Corrective action
Hardware support
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
A-4
TestNonDisruptiveLoopback Test Attributes
Description
Nondisruptive.
Do not disable.
On.
12.2(18)SXF.
Error disable a port after 10 consecutive failures. Error
disable a channel if all of its ports failed the test in one test
cycle. Reset the module after a failure of all channels.
WS-X6148-FE-SFP, WS-X6148A-GE-TX and
WS-X6148A-RJ-45.
TestLoopback Test Attributes
Description
Disruptive for looped-back ports. Disruption is typically less
than one second. Duration of the disruption depends on the
configuration of looped-back port (for example, Spanning
Tree Protocol).
Schedule during downtime.
Runs at bootup or after online insertion and removal (OIR).
12.1(13)E, 12.2(14)SX.
Error disable a port if the loopback test fails on the port. Reset
the module if all of the ports fail.
All modules including supervisor engines.
Appendix A
Online Diagnostic Tests
OL-4266-08
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