Cannot connect to DNS server to resolve the iDigi server address
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Cannot connect to DNS server to resolve the iDigi server address
The ConnectPort X2e ZB requires a DNS server to resolve the iDigi server IP address. Normally
the device receives the DNS server information automatically from the DHCP server on your
Internet router, but if your router does not provide the information, you may need to set it manually.
When this error occurs, the system log (described on page 54) will display the following message:
Error resolving 'fully qualified domain name': No address associated
with nodename (EAI_NODATA)
The device usually gets the DNS server from the DHCP server. If a DNS server is not supplied
from your DHCP server, usually because it is not configured to supply it, the ConnectPort X2e ZB
will use the default Google Public DNS server (address 8.8.8.8). If use of this default DNS server is
not desired, a DNS server can be configured manually using the Web interface or RCI
configuration interface.
It is most effective to fix the DHCP server to provide the correct networking parameters to the
device. Otherwise, the device's network configuration can be set manually. To set the DNS server
manually through the web interface, go to the Configuration > Ethernet Network page.
See "Ethernet Network" on page 37. Contact your network administrator or ISP to get the DNS
server information.
Cannot connect to NTP time server to get correct time
The ConnectPort X2e ZB requires access to an NTP server to set its date and time. Normally the
device receives the date and time automatically from the iDigi server.
Contact your network administrator or ISP to find out if they have blocked access or have set up
other NTP servers on their network. To change the NTP server through the web interface, go to the
Configuration > Time page. See "Time" on page 39.
For NTP to operate correctly, UDP port 123 needs to be open.
Required open network ports and use of firewalls
When using a firewall to filter outbound traffic, the ConnectPort X2e ZB requires these network
ports to be open for proper operation:
UDP port 53, for DNS
UDP port 123, for NTP
TCP port 3199, for iDigi
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