55
C365-5G-Mini User Manual CB-V1.1
www.comms365.com | 01234 865880 | [email protected]
•
Filter private:
Do not forward reverse lookups for local networks.
•
Filter useless:
Do not forward requests that cannot be answered by public name servers.
•
Localise queries:
Localise hostname depending on the requesting subnet if multiple IPs are
available.
•
Expand hosts:
Add local domain suffix to names served from hosts files.
•
No negative cache:
Do not cache negative replies, e.g. for non existent domains.
•
Strict order:
DNS servers will be queried in the order of the resolve file.
•
Bogus NX Domain Override:
List of hosts that supply bogus NX domain results.
•
DNS server port:
Listening port for inbound DNS queries.
•
DNS query port:
Fixed source port for outbound DNS queries.
•
Max DHCP leases:
Maximum allowed number of active DHCP leases.
•
Max edns0 packet size:
Maximum allowed size of EDNS.0 UDP packets.
•
Max concurrent queries:
Maximum allowed number of concurrent DNS queries.
3.6.12 Diagnostics
•
Ping:
This is a tool that is used to test the reachability of a host on an Internet Protocol (IP)
network.
•
Traceroute:
This is a network diagnostic tool for displaying the route (path) and measuring
transit delays of packets across an Internet Protocol (IP) network.
•
NS lookup:
This is a network administration command-line tool for querying the Domain
Name System (DNS) to obtain domain name or IP address mapping or for any other specific
DNS record.
•
For example, if you want to ping google.com, type the target domain name or IP address,
then click the
“Ping”
button. Wait a couple of seconds, the result will be shown below.
3.6.13 Loopback Interface
The default Loopback interface has an IP address 127.0.0.1, the user can change it here.