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Configuring Option 43 on a Cisco DHCP Server
Supported Formats
Suboption 3
Configuration Method
This example uses a Cisco switch as the DHCP server to describe how to configure Option 43 to carry the WAC's IP address of 192.168.100.1.![]()
# ip dhcp pool test network 192.168.100.1 255.255.255.0 default-router 192.168.100.1 option 43 hex 030d3139322e3136382e3130302e31 #
03: suboption type 3.
0d: suboption length. The IP address and symbols are expressed as characters. Therefore, the suboption length is the hex string converted from the number of characters in the character string 192.168.100.1.
31 39 32 2e 31 36 38 2e 31 30 30 2e 31: ASCII code of the character string 192.168.100.1.
Numbers 0 to 9 correspond to 30 to 39 in ASCII format, and the period (.) corresponds to 2e.
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