Cisco IOS Global Configuration
Command
Boot Loader Command
Variable
boot config-file flash:/ file-url
Specifies the filename that Cisco IOS
uses to read and write a nonvolatile
copy of the system configuration. This
command changes the CONFIG_FILE
environment variable.
set CONFIG_FILE flash:/
file-url
Changes the filename that
Cisco IOS uses to read and
write a nonvolatile copy of the
system configuration.
CONFIG_FILE
switch current-stack-member-number
renumber new-stack-member-number
Changes the member number of a stack
member.
set SWITCH_NUMBER
stack-member-number
Changes the member number
of a stack member.
SWITCH_NUMBER
switch stack-member-number priority
priority-number
Changes the priority value of a stack
member.
set SWITCH_PRIORITY
stack-member-number
Changes the priority value of
a stack member.
SWITCH_PRIORITY
line console 0
speed speed-value
Configures the baud rate.
set BAUD baud-rate
BAUD
boot enable-break switch yes/no
Enables a break to the auto-boot cycle.
You have 5 seconds to enter the
break
command.
set ENABLE_BREAK yes/no
ENABLE_BREAK
Environment Variables for TFTP
When the switch is connected to a PC through the Ethernet management port, you can download or upload a
configuration file to the boot loader by using TFTP. Make sure the environment variables in this table are
configured.
Table 6: Environment Variables for TFTP
Description
Variable
Specifies the MAC address of the switch.
We recommend that you do not modify this variable.
Note
However, if you modify this variable after the boot loader is up or the value is
different from the saved value, enter this command before using TFTP. A reset is
required for the new value to take effect.
MAC_ADDR
Specifies the IP address and the subnet mask for the associated IP subnet of the
switch.
IP_ADDRESS
System Management Configuration Guide, Cisco IOS XE Gibraltar 16.10.x (Catalyst 9200 Switches)
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Performing Device Setup Configuration
Environment Variables for TFTP