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TL-SL2428#  copy tftp startup-config ip-address  192.168.0.148  filename 
config 
firmware upgrade 
Description 
The firmware upgrade command is used to upgrade the switch system file via 
the TFTP server. 
Syntax 
firmware upgrade ip-address ip-addr filename name 
Parameter 
ip-addr  ——  IP address of the TFTP server. 
name  ——  Specify the name for the firmware file. 
Command Mode 
Privileged EXEC Mode 
Example 
Upgrade the switch system file named as firmware.bin via the TFTP server with 
the IP address 192.168.0.148: 
TL-SL2428# firmware upgrade ip-address 192.168.0.148 filename 
firmware.bin 
ping 
Description 
The ping command is used to test the connectivity between the switch and one 
node of the network. 
Syntax 
ping {ip_addr} [-n count] [-l count] [-i count] 
Parameter 
ip_addr  ——  The IP address of the destination node for ping test. 
count (-n) —— The amount of times to send test data during Ping testing. It 
ranges from 1 to 10. By default, this value is 4. 
count (-l)  ——  The size of the sending data during ping testing. It ranges from 1 
to 1024 bytes. By default, this value is 64.