Comtrol ROCKETLINX ES8509-XT User Manual page 148

Configuration Using the Command Line Interface (CLI)
DHCP Server (Continued)
DHCP Relay – DHCP policy
DHCP Relay – IP Helper
Address
Reset DHCP Settings
Backup and Restore
Backup Startup
Configuration File
Restore Configuration
Show Startup Config
Show Running Config
Firmware Upgrade
Firmware Upgrade
Load Default
Load Default
System Reboot
Reboot
148 - Basic Settings (CLI)
Switch(config-dhcp)# ip dhcp relay information policy
drop Relay Policy
keep Drop/Keep/Replace option82 field
replace
Switch(config-dhcp)# ip dhcp relay information policy drop
Switch(config-dhcp)# ip dhcp relay information policy keep
Switch(config-dhcp)# ip dhcp relay information policy replace
Switch(config-dhcp)# ip dhcp helper-address
A.B.C.D
Switch(config-dhcp)# ip dhcp helper-address 192.168.10.200
Switch(config-dhcp)# ip dhcp reset
Switch# copy startup-config tftp: 192.168.250.33/
default.conf
Writing Configuration [OK]
Note: To backup the latest startup configuration file, you should save current
settings to flash first. You can refer to
how to save settings to the flash.

In the example above, 192.168.250.33 is the TFTP server's IP and
default.conf is name of the configuration file. Your environment may use
different IP addresses or different file name. Type target TFTP server IP
or file name in this command.
Switch# copy tftp: 192.168.250.33/default.conf startup-config
Switch# show startup-config
Switch# show running-config
Switch# archive download-sw /overwrite tftp 192.168.11.33
ES8509-XT.bin
Firmware upgrading, don't turn off the switch!
Tftping file ES8509-XT.bin
Firmware upgrading
...................................................................
.............
...................................................................
.............
...........................
Firmware upgrade success!!
Rebooting.......
Switch# reload default-config file
Reload OK!
Switch# reboot
Switch# reboot
Save to Flash on Page 127 to see
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RocketLinx ES8509-XT User Guide: 2000557 Rev. D