Ruijie RG-CS83 Series Configuration Manual page 106

Web-based Configuration Guide
Parameter
Advanced Settings
Link-local Address
Subnet Prefix Name
Subnet Prefix Length
Subnet ID
6.3 Configuring the DHCP Service
After the DHCP server function is enabled on the L3 interface, the device can assign IP addresses to downlink
devices connected to the port.
6.3.1 Enable DHCP Services
Choose Local Device > L3 Interfaces > L3 Interfaces.
Click Edit on the designated port, or click Add L3 Interface to add a Layer 3 interface, select DHCP mode for
local allocation, and enter the starting IP of the address pool, the number of allocated IPs, the excluded IP
address range, and the address lease time.
Description
Click Advanced Settings to configure the link local address, subnet prefix
name, subnet prefix length, and subnet ID.
The link local address is used to number hosts on a single network link. The first
10 bits of link address in binary notation must be '1111111010'.
It identifies a specified link (subnet).
It indicates the length (in bits) of the subnet prefix in the address. The value
ranges from 48 to 64 (The subnet prefix length must be greater than the length
of the prefix assigned by the server).
Configure the subnet ID of the interface in hexadecimal notation. The number of
available subnet IDs is (2
interface - Length of the prefix assigned by the server).
102
N
- 1), where N is equal to (Subnet prefix length of the
L3 Management