95
8.2 Application
Scenario
The dual-link backup and the standby AC are applied in the scenario that two ACs are used
to manage wireless networks together.
Topology
Figure 8-2 Topology
CAP
AC1
192.168.1.253
Priority: 150
CAP
Core Switch
DHCP Server
PoE Switch PoE Switch
Router
Internet
AC2
192.168.0.253
Priority: 100
Configuration
1 Configure the external DHCP server.
The external DHCP should support the configuration of the option field. Refer to the
corresponding guide for details of the option settings.
When an AP obtains an IP address from the DHCP server, it also needs the DHCP server
to deliver the IP addresses of the two ACs in the network. You should configure the
following parameters in the DHCP server: