Axis Q1755 User Manual download pdf (Page 33)

AXIS Q1755 - System Options

Use the following DNS server address - enter the desired DNS server by specifying the following:

Domain name - enter the domain(s) to search for the host name used by the network cameras. Multiple domains can be

separated by semicolons (;). The host name is always the first part of a Fully Qualified Domain Name, for example, myserver is

the host name in the Fully Qualified Domain Name myserver.mycompany.com where mycompany.com is the Domain name.

DNS servers - enter th

e IP addresses of the primary, and secondary DNS servers.

Note:

This is not mandatory with regard to secondary DNS servers.

NTP Configuration - Obtain NTP server address via DHCP - check this radio button to automatically look up and use the NTP

server settings as provided by DHCP. Click the View button to see the current settings.

Use the following NTP server address - to c

reate manual settings, check this radio button and enter the host name or IP

address of the NTP server.

Host Name Configuration - The network cameras can be accessed using a host name, instead of an

IP address. The host

name is usually the same as the assigned DNS Name.

For more information, please see Secu

rity, on page 29.

Link-Local IPv4 Address - This is enabled by default and assigns the network camer

as an additional IP address for use with

UPnP™. The camera can have both a Link-Local IP and a static/DHCP-supplied IP address at the same time - these will not

affect each other.

HTTP and HTTPS - The default HTTP/HTTPS port numbers (80 and 443 respec

tively) can be changed to any port within the

range 1024-65535. This is useful for simple security port mapping, for example.

NAT traversal (port mapping) for IPv4 - A broadband router allows devices on a private network (LAN) to share a single

connection to the Internet. This is done by forwarding network traffic from the private network to the “outside”, that is, the

Internet. Security on the private network (LAN) is increased since most broadband routers are pre-configured to stop attempts

to access the private network (LAN) from the public network/Internet.

Use NA

T traversal when your network cameras are located on an intranet (LAN) and you wish to make it available from the

other (WAN) side of a NAT router. With NAT traversal properly configured, all HTTP traffic to an external HTTP port in the NAT

router is forwarded to the camera.

Notes:

• For NAT traversal to work, this must be supported by the broadband router.

•

The broadband router has many different names: “NAT router”, “Network router“, Internet Gateway”, “Broadband

sharing device” or “Home firewall” but the essential purpose of the device is the same.

Enable/Disable - w

hen enabled, the network cameras attempt to configure port mapping in a NAT router on your network,

using UPnP™. Note that UPnP™ must be enabled in the camera (see System Options > Network > UPnP).

Use manually selected NAT router - select this option to

manually select a NAT router and enter the IP address for the router

in the field provided.

If a router is not manually specified, the network cameras automatically sea

rch for NAT routers on your network. If more than

one router is found, the default router is selected.

LAN (intranet)

WAN (internet)

Broadband

(NAT)

router

ISP

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Axis Q1755 User Manual Page 33

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