Sierra Wireless RJ-11 Network Card User Manual


 
Rev 3.0 B 2/29/08 33
ToenableTCPkeepalivesonserialrelatednetworkconnec
tions,enterthetotaltime(inseconds)thatyouwillallowTCP
connectionstoremainidlebeforeresettingthem.Thefirst
keepalivepacketwillbesentaftertheconnectionhasbeen
idleforhalfofthistotaltime.Aftert hat,fourmoreTCPkeep
alivepacketswillbesentat
regularintervalsuntilaTCP
responseisreceivedfromtheremotehost.Ifnoresponseis
receivedbeforethetotalkeepalivetimerunsout,theTCP
connectionwillbereset.
Caution: Enabling TCP keep-alives will increase the amount of
network traffic on your network. Unless you have a specific need for
this feature, it is best to leave it disabled. If you do enable it, it is best
to make the keep-alive time-out larger to reduce network traffic.
DNS Settings
TheDNSSettingspageallowsyoutospecifyaDNSnamefor
yourunit,specifytheaddressesofDNSserverstoresolve
names,andtopredefinesomehostnames.TheDNSname
andserverscanalsobederivedfromaDHCPserver.