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Please contact the ISP or network administrator for the IP address of the
primary and the secondary DNS servers. When the NVR plays the role as a
terminal and needs to perform independent connection, for example, BT
download, enter at least one DNS server IP for proper URL connection.
Otherwise, the function may not work properly.
If you select to obtain the IP address by DHCP, there is no need to configure
the primary and the secondary DNS servers. In this case, enter “0.0.0.0”.
(iii) Default Gateway
Select the gateway settings to use if both LAN ports have been connected to the
network (dual LAN NVR models only).
(iv) Port Trunking
Applicable to NVR models with two or more LAN ports only.
The NVR supports port trunking which combines two Ethernet interfaces into one to
increase the bandwidth and offers load balancing and fault tolerance (also known as
failover). Load balancing is a feature which distributes the workload evenly across
two Ethernet interfaces for higher redundancy. Failover is the capability to switch
over to a standby network interface (also known as the slave interface) when the
primary network interface (also known as the master interface) does not correspond
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