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Cisco Catalyst 9400 Series Troubleshooting

Cisco Catalyst 9400 Series
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Troubleshooting the Switching Module
Each switching module has one STATUS LED that provides information about the module and one numbered
PORT LINK LED for each port on the module. Refer to Cisco Catalyst 9400 Series Switching Module LEDs
to determine the status of the LEDs.
Useful Cisco IOS Commands - Switching Modules
The show module command provides information that is useful in solving problems with ports on individual
modules.
Some problems can be solved by resetting the switching module. Power cycle the chassis - this resets, restarts,
and power cycles the switching module.
Troubleshooting Supervisor Modules
This section only addresses problems with hardware. Problems with features or configuration are not covered
here. Refer for your software configuration guide and release notes for information on configuring features
or identifying known problems.
Supervisor Module LEDs
Check the LEDs on your supervisor and compare them to the described LED behaviors. See Cisco
Catalyst 9400 Series Supervisor Module LEDs
The Supervisor Module STATUS LED turns either amber or red under the following conditions:
Power supply failure (not the same as removal of power supply)
Power supply fan failure
Removal or failure of fan tray
Mismatched power supplies in the chassis
Standby Supervisor Engine Problems
Switch# show module
If the standby supervisor module is not online or status indicates “other” or “faulty” in the output of the
show module command or an amber status LED, create a console connection to the standby supervisor
and check if it is in ROMMON mode or in continuous reboot. If the standby supervisor is in either of
these two states, refer to the System Management > Troubleshooting the Software Configuration section
of the Software Configuration Guide
Make sure that the supervisor module properly seats in the backplane connector and that you have
completely screwed down the captive screws for the supervisor module.
Switch# redundancy reload peer
Troubleshooting
10
Troubleshooting
Troubleshooting the Switching Module

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Cisco Catalyst 9400 Series Specifications

General IconGeneral
SeriesCatalyst 9400 Series
Form FactorRack-mountable
Operating SystemCisco IOS XE
Uplink Options40G and 100G uplinks
StackingNot supported
Layer SupportLayer 2 and Layer 3
Operating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-40°C to 70°C (-40°F to 158°F)
Humidity5% to 90% noncondensing
Power Supply OptionsAC and DC power supplies
RedundancyPower supply, supervisor engine
Modular Slots7 or 10
MAC Address Table Size256, 000
Security FeaturesACLs, TrustSec, MACsec
ManagementCLI, SNMP, NETCONF, RESTCONF, Cisco DNA Center

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