Proroute GEM420 4G M2M Router
GEM420 User Manual
42
DNS Query/ICMP Checking
: Do the keep alive through DNS query packets
or ICMP packets.
Loading Checking
: The response time of replied keep-alive packets may
increase when WAN bandwidth is fully occupied. To avoid keep-alive feature
work abnormally, enable this option will stop sending keep-alive packets
when there are continuous incoming and outgoing data packets passing
through WAN connection.
Check Interval
: Indicate how often to send keep-alive packet.
Check Timeout
: Set allowance of time period to receive response of
keep-alive packet. If this gateway doesn’t receive response within this time
period, this gateway will record this keep alive is failed.
Latency Threshold
: Set acceptance of response time. This gateway will
record this keep-alive check is failed if the response time of replied packet is
longer than this setting.
Fail Threshold
: Times of failed checking. This WAN connection will be
recognized as broken if the times of continuous failed keep-alive checking
equals to this value.
Target1/Target2
: Set host that is used for keep alive checking. It can be
DNS1, DNS2, default Gateway, or other host that you need to input IP
address manually.
7.
IGMP:
Enable or disable multicast traffics from Internet. You may enable as
auto mode or select by IGMP v1, IGMP v2, IGMP v3 or Auto.
8.
WAN IP Alias:
In some cases, ISP will provide you another fixed IP address
for management purpose. You can enter that IP address in this field.
3.1.1.2.2.3 PPP over Ethernet
Select this option if your ISP requires you to use a PPPoE connection. This
option is typically used for ADSL services.
