LEGRAND Raritan PX3-3000 Series, User Manual

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Appendix L: Additional PX3 Information
892
Reserving IP in Linux
There are two methods to reserve the IP address of any network
interface in the standard Linux DHCP server (ISC DHCP server):

Convert an interface's client identifier into
hexadecimal ASCII codes.

Use an interface's original client identifier without converting it into
ASCII codes.
For each interface's client identifier, see Reserving IP Addresses in
DHCP Servers (on page 889).
In the following illustrations, it is assumed that the PX3 serial number is
PEG1A00003, and the IP address you want to reserve is 192.168.20.1.
Illustration with ASCII code conversion:
1. Convert the client identifier of the desired network interface into
ASCII codes (
hexadecimal).
Interface Client identifier conversion
ETH1 PEG1A00003 = 50 45 47 31 41 30 30 30 30 33
ETH2 PEG1A00003-ETH2 = 50 45 47 31 41 30 30 30 30 33 2D
45 54 48 32

The suffix comprising the dash symbol and the
word "ETH2" is also converted.