PLANET BM-2101 - Manual (Page 52)

Step2. The way to test the connection (ICMP and DNS)
„ ICMP: enter the persistant ping IP.( Or click Assist ).
„ DNS enter the DNS server IP address and domain name (Or click
Assist).
„ Sets the interval seconds during the packets transferring ( per seconds).
ICMP test
DNStest
Both of the two connection test is the standard to see if the WAN can work
properly. The testing such as the IP address, IP address for DNS server and the domain
name all must be working forever long , or it will make the BM-2101 appliance error.