Configuration example:
Option 43 hex 80070000010A0A0AF9
Brief description of option43 format:
80 07 00 00 01 0A 0A 0A F9
80: fixed value, no change;
07: length field, followed by the byte length of the data;
00 00: fixed value, no need to change;
01: indicates the number of IP addresses that follow, here is an IP address;
0A 0A 0A F9: IP address 10.10.10.249.
When two AC IP addresses are used, the length is 0B and the number of IP addresses is 02. For example: option 43 hex 80 0B 0000 02 6F2CA2F6 6F2CA2F2
111.44.162.246 Hex 6F 2C A2 F6
111.44.162.242 Hex 6F 2C A2 F2