Cisco 7604 Configuration Manual page 955
Ios software configuration guide
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- Configuration manual (742 pages) ,
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Appendix A
Online Diagnostic Tests
TestProtocolMatchChannel
The TestProtocolMatchChannel test verifies the ability to match specific Layer 2 protocols in the Layer
2 forwarding engine. When running the test on the supervisor engine, the diagnostic packet is sent from
the supervisor engine's inband port and performs a packet lookup using the supervisor engine's Layer 2
forwarding engine. For DFC-enabled modules, the diagnostic packet is sent from the supervisor engine's
inband port through the switch fabric and looped back from one of the DFC ports. T he Match feature is
verified during the diagnostic packet lookup by the Layer 2 forwarding engine.
Table A-20
Attribute
Disruptive/Nondisruptive
Recommendation
Default
Release
Corrective action
Hardware support
TestCapture
The TestCapture test verifies that the capture feature of Layer 2 forwarding engine is working properly.
The capture functionality is used for multicast replication. When running the test on the supervisor
engine, the diagnostic packet is sent from the supervisor engine's inband port and performs a packet
lookup using the supervisor engine's Layer 2 forwarding engine. For DFC-enabled modules, the
diagnostic packet is sent from the supervisor engine's inband port through the switch fabric and looped
back from one of the DFC ports. The Capture feature is verified during the diagnostic packet lookup by
the Layer 2 forwarding engine.
Table A-21
Attribute
Disruptive/Nondisruptive
Recommendation
Default
Release
Corrective action
Hardware support
OL-4266-08
TestProtocolMatchChannel Test Attributes
Description
Disruptive for looped-back ports. Disruption is typically less
than one second. Duration of the disruption depends on the
configuration of the looped-back port (for example, Spanning
Tree Protocol).
This test runs by default during bootup or after a reset or OIR.
Off.
12.1(13)E, 12.2(14)SX.
None. See the system message guide for more information.
DFC-enabled modules.
TestCapture Test Attributes
Description
Disruptive for looped-back ports. Disruption is typically less
than one second. Duration of the disruption depends on the
configuration of the looped-back port (for example, Spanning
Tree Protocol).
Schedule during downtime.
Off.
12.1(13)E, 12.2(14)SX.
None. See the system message guide for more information.
DFC-enabled modules.
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
DFC Layer 2 Forwarding Engine Tests
A-13
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