Network Switch lnstallation Guide 55
Appendix
Upgrade Kernel and Rootfs
After upgrading the rmware image le, check if there is a need to upgrade the kernel and root
le system.
To determine whether an upgrade is necessary, perform the following:
1 Boot to normal mode and execute the “whichboot” command to check the switch kernel
version.
2 Check the rmware release notes to determine whether an upgrade is necessary.
To upgrade the kernel and root le system, perform the following:
1 Connect the TFTP server to the switch via the management port.
2 Set the service port IP address using the following commands:
a. Connect the console cable to the console port.
b. On a terminal emulation program (such as Teraterm or HyperTerm), set the baud rate to
115200 (115200, n, 8, 1).
c. When prompted for the username and password, input “admin” for the username and leave
the password empty.
d. Set the service port IP address (in the example below, the service port IP address is set to
192.168.2.1):
Congure
Serviceport protocol none
Serviceport ip 192.168.2.1 255.255.255.0
exit
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