VSR
User Manual
48
Dynamic DNS and GnuDIP
In order to use Dynamic DNS with GnuDIP, the user has to configure following in the menus:
•
Name Service
must be set to GnuDIP (Ethernet Setting Menu).
•
Primary Name Server
must be set to the IP address of the GnuDIP server (Ethernet Setting Menu).
•
Hostname
must be set to the required hostname format e.g.
ge04.companyname.net
. For registration
purposes, the string until the first dot is used as hostname (here: ge04), the remainder is used as domain
(here: companyname.net). The hostname is set via the Ethernet Setting menu and is case sensitive.
•
DDNS update time
must be set to a reasonable value (e.g. 2 minutes).
•
The password for the DDNS server has to be set in the
Passwords->DDNS password menu
. The
password is 4 digits long (The Enter button can be used for the number 0).
When everything is configured correctly, the VSR will send periodically a Dynamic DNS update message over
TCP port 3495 to the Dynamic DNS server telling the server its hostname. The VSR does not include its IP
address in the message. Instead the Dynamic DNS server extracts the IP address of the VSR via the Ethernet
source IP address. This guarantees that the correct IP address is used even when the VSR is behind a NAT
router.
Advanced Menu
/
Communications
/
Ethernet Advanced
Use this menu to configure the Ethernet Advanced communications settings. Select from the
following:
•
Bandwidth:
Local bandwidth control, set from 5Kb per second through 250Kb and Unlimited. The
minimum of this setting and the setting requested by Video Navigator will be used.
•
TCP MTU Size:
Select from 1514, 1400, and 1200. The MTU describes the maximum possible TCP
packet size. 1514 is optimal for most Ethernet network environments.
•
Listen Port:
The port that the VSR uses to listen to Streaming commands.
Figure 53. The ethernet advanced menu
Advanced Menu
/
Communications
/
Streaming
Use this menu to configure the streaming settings. Video streaming is the process that the VSR family of
products including the IP CODEC and IP Camera use to listen on a specific UDP/TCP port for control
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