To use the CLI to perform additional configuration or management tasks, enter commands at the Switch>
prompt through the console port by using a terminal program or through the network by using Telnet. For
configuration information, see the switch software configuration guide along with the switch command
reference.
Configuring the Switch in the ROMMON Mode
Procedure
Step 1 The system is setup for autoboot. In order to change network parameters in the ROMMON, connect the console
to system and while system is booting, after you see the the promt, press CTRL+C to stop booting and access
ROMMON prompt.
Example:
Initializing Hardware...
System Bootstrap, Version 16.6.1r [FC2], RELEASE SOFTWARE (P)
Compiled Sat 07/15/2017 10:06:12.23 by rel
Current image running:
Primary Rommon Image
Last reset cause: SoftwareResetTrig
C9400-SUP-1 platform with 16777216 Kbytes of main memory
Preparing to autoboot. [Press Ctrl-C to interrupt] 0
<output truncated>
rommon1>
Step 2 Set the network parameters. The values entered here are only meant to serve as examples.
Example:
rommon 2> set IP_ADDRESS=192.168.247.10
rommon 3> set IP_SUBNET_MASK=255.255.0.0
rommon 4> set DEFAULT_GATEWAY=172.20.52.35
rommon 5> set TFTP_SERVER=198.51.100.2
Step 3 Enter the set command to ensure settings are saved and then boot the system
Example:
rommon 6> set
rommon 7> boot
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
173
Initial Configuration for the Switch
Configuring the Switch in the ROMMON Mode
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