Ursalink UR 51 User Manual page 129

breakdown, two UR51 routers can be deployed as VRRP backup group, so as to improve network
reliability.
VRRP group:
UR51 Router A and Router B are connected to the Internet via cellular network. .
Virtual IP is 192.168.1.254/24.
UR51 Virtual Router ID
Router (Same for A and B)
A 1
B 1
Refer to the topological below.
Configuration Steps
Router A Configuration
1.
Go to "Network > Interface > Cellular" and configure cellular connection as per
application example.
2. Go to "Network > Link Failover > SLA" and configure SLA probe. The default probe type is ICMP. The
destination address is the host address which can be probed by ICMP in public network or private
network. Other parameters can be kept as default value.
Port connected LAN IP Address
with switch
FE 192.168.1.1
FE 192.168.1.2
Priority Preemption
Mode
110 Enable
100 Disable
cellular connection
UR51 User Guide
129