Swann Advanced-Series 8 Channel DVR H.264 Installation Manual page 34

NETMASK (SUBNET MASK): If the IP address is like a street address, then a sub-
network is like your neighborhood. This will be formatted in a similar way to the
IP address (ie. four numbers up to 255 separated by periods) but contain very dif-
ferent numbers. In the above example, the Subnet Mask might be something like:
"255.255.255.0".
GATEWAY: This is the address of the "way to the Internet" - to continue the road anal-
ogy, this is like your local access point to the highway. This is an IP address in the
same format as the others, and is typically very similar to the IP address of the DVR. To
continue the above examples, it might be something such as: "192.168.1.254".
DNS: "Domain Name System". Everything on the Internet is located via an
IP address - however, for ease of use, we associate domain names (such as
"www.exampledomainname.com") with those IP addresses. This index is accessible
in many locations online, and we call those locations "DNS servers".
DNS for STATIC configuration: Under most circumstances, you can set
the DNS Server address to be the same address as your router (this is
usually the same address as Gateway).
DNS for DHCP configuration: Typically, the DNS Server address will au-
tomatically be detected by the DVR. In some cases, you'll need to enter
a value - the address of your router (the same as the Gateway) should
work.
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Remember: After making changes to the settings press/click the APPLY button.