42AXIS 241Q/241S - System options
Services
Enable ARP/Ping setting of IP address - The IP address can be set using the ARP/Ping method, which associates the unit's MAC address with an IP address. Check this box to enable the service. Leave disabled to prevent unintentional resetting of the IP address.
Notes: | • | The ARP/Ping service is automatically disabled two minutes after the unit is started, or |
| as soon as an IP address is set. | |
| • | Pinging the unit is still be possible when this service is disabled. |
AXIS Internet Dynamic DNS Service - The AXIS Internet Dynamic DNS Service can provide your Axis product with its own URL (web address), which can then be used to access it over the Internet. The product can be unregistered from the service at any time. To do this click Settings... and follow the instructions. For more information, please refer to the online help 
.
Network - Advanced TCP/IP settings
DNS configuration
DNS (Domain Name Service) provides the translation of host names to IP addresses on your network.
Obtain DNS server address via DHCP - automatically use the DNS server settings provided by the DHCP server. Click the View button to see the current settings.
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 Axis video server. 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 the IP addresses of the primary and secondary DNS servers.
NTP Configuration
Obtain NTP server address via DHCP - use a DHCP server to automatically find an NTP server to synchronize clock of the Axis video server with the other devices on the network.
Use the following NTP server address - use the host name or IP address of a specific NTP server for time synchronization.
Host Name Configuration
AXIS 241Q/241S 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 the online help 
.