MikroTik RouterOS v2.9 Reference Manual page 508

IP addresses of DHCP-Relay:
[admin@DHCP-Relay] ip address> print
Flags: X - disabled, I - invalid, D - dynamic
# ADDRESS
0 192.168.0.1/24
1 192.168.1.1/24
2 192.168.2.1/24
[admin@DHCP-Relay] ip address>
To setup 2 DHCP Servers on DHCP-Server router add 2 pools. For networks 192.168.1.0/24 and
192.168.2.0:
/ip pool add name=Local1-Pool ranges=192.168.1.11-192.168.1.100
/ip pool add name=Local1-Pool ranges=192.168.2.11-192.168.2.100
[admin@DHCP-Server] ip pool> print
# NAME
0 Local1-Pool
1 Local2-Pool
[admin@DHCP-Server] ip pool>
Create DHCP Servers:
/ip dhcp-server add interface=To-DHCP-Relay relay=192.168.1.1 \
address-pool=Local1-Pool name=DHCP-1 disabled=no
/ip dhcp-server add interface=To-DHCP-Relay relay=192.168.2.1 \
address-pool=Local2-Pool name=DHCP-2 disabled=no
[admin@DHCP-Server] ip dhcp-server> print
Flags: X - disabled, I - invalid
# NAME
0 DHCP-1
1 DHCP-2
[admin@DHCP-Server] ip dhcp-server>
Configure respective networks:
/ip dhcp-server network add address=192.168.1.0/24 gateway=192.168.1.1 \
dns-server=159.148.60.20
/ip dhcp-server network add address=192.168.2.0/24 gateway=192.168.2.1 \
dns-server 159.148.60.20
[admin@DHCP-Server] ip dhcp-server network> print
# ADDRESS
0 192.168.1.0/24
1 192.168.2.0/24
[admin@DHCP-Server] ip dhcp-server network>
Configuration of DHCP-Server is done. Now let's configure DHCP-Relay:
/ip dhcp-relay add name=Local1-Relay interface=Local1 \
dhcp-server=192.168.0.1 local-address=192.168.1.1 disabled=no
/ip dhcp-relay add name=Local2-Relay interface=Local2 \
dhcp-server=192.168.0.1 local-address=192.168.2.1 disabled=no
[admin@DHCP-Relay] ip dhcp-relay> print
Flags: X - disabled, I - invalid
# NAME
0 Local1-Relay
1 Local2-Relay
[admin@DHCP-Relay] ip dhcp-relay>
IP Address assignment, using FreeRADIUS Server
Let us consider that we want to assign IP addresses for clients, using the RADIUS server.
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NETWORK
192.168.0.0
192.168.1.0
192.168.2.0
INTERFACE RELAY
To-DHCP-Relay 192.168.1.1
To-DHCP-Relay 192.168.2.1
GATEWAY
192.168.1.1
192.168.2.1
INTERFACE
Local1
Local2
BROADCAST
192.168.0.255
192.168.1.255
192.168.2.255
RANGES
192.168.1.11-192.168.1.100
192.168.2.11-192.168.2.100
ADDRESS-POOL LEASE-TIME ADD-ARP
Local1-Pool
Local2-Pool
DNS-SERVER WINS-SERVER
159.148.60.20
159.148.60.20
DHCP-SERVER
192.168.0.1
192.168.0.1
INTERFACE
To-DHCP-Server
Local1
Local2
3d00:00:00
3d00:00:00
DOMAIN
LOCAL-ADDRESS
192.168.1.1
192.168.2.1