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Alternate DNS server 2: (optional) assign the address of another alternate DNS server
to this field. In the case that both the preferred server and the first alternate server are
unavailable, the camera will attempt to connect to this server.
6. In the Control Ports area, you can specify which control ports are used to access the camera. You can
enter any port number between 1 and 65534. The default port numbers are:
HTTP Port: 80
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If you want to limit camera access to secure connections only, clear the Enable HTTP
connections check box. HTTP Port access is enabled by default.
HTTPS Port: 443
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RTSP Port: 554
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RTSP Replay Port: 555
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7. In the NTP Server area, indicate if you want the camera to use an NTP server to keep time.
a. Select the NTP source to use for keeping time:
Always use Avigilon Control Center NTP Server. Select this option if you want the
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camera to keep time through the Avigilon Control Center™ software only.
Always use external NTP server. Select this option if you want to use an external NTP
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server only. Then configure the NTP server to use.
Use Avigilon Control Center Server with a failover external NTP. By default, Avigilon
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cameras keep time through the Avigilon Control Center software and will use an
external NTP Server when not connected to an ACC server, if one is configured.
b. If you are using an external NTP server, select how the server is configured:
DHCP.
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Manual. Select this option and then enter the server address in the NTP Server field.
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8. In the MTU area, set the Maximum Transmission Unit (MTU) size in bytes. Enter a number between the
available range displayed on the right. You may want to lower the MTU size if your network connection
is slow.
9. In the Ethernet Setting area, set the Speed & Duplex for your network connection. The Auto-
negotiation (default) setting is the preferred setting for most cameras, and will negotiate the optimal
speed and duplex setting for your network connection. If necessary, you can manually select the
speed and duplex setting for your connection.
10. In the Security area, set the Minimum TLS version that the camera should use for encrypting the
communication between camera and server and block older TLS versions that should not be used.
Network
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