22: Configuring a mobile connection 
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© Virtual Access 2017 
GW1000 Series User Manual 
Issue: 1.9    Page 169 of 350 
Web Field/UCI/Package Option 
Web:Bring up on boot 
UCI: network.3G.auto 
Opt: auto 
Enables the interface to connect automatically on boot up or 
reconnect automatically when disconnected. 
Web: Monitor interface state 
UCI: network.3G.monitored 
Opt: monitored 
Enabled if status of interface is presented on Monitoring platform. 
Web: Enable IPv6 negotiation on the PPP 
link 
UCI: network.3G.ipv6 
Opt: ipv6 
Enables IPv6 routing on the interface. 
Web: Modem int timeout  
UCI: network.3G.maxwait 
Opt: maxwait 
Maximum amount of seconds to wait for the modem to become 
ready. 
Web: Use default gateway 
UCI: network.3G.defaultroute 
Opt: defaultroute 
Enables this interface as a default route 
Do not use as a default route 
Web: Use gateway metric 
UCI: network.3G.metric 
Opt: metric 
Uses the specified metric. Lower number metrics are used first 
when route is up. 
Web: Use DNS servers advertised by peer 
UCI: network.3G.peerdns 
Opt: peerdns 
If unchecked, the advertised DNS server addresses are ignored 
Web: Use custom DNS servers 
UCI: network.3G.dns 
Opt: dns 
Specify DNS server. Only available if Use DNS servers 
advertised by peer is unselected. When multiple DNS servers 
are required separate using space for UCI or option value. 
Example:  
uci set network.3G.dns=’1.1.1.1 2.2.2.2’ 
Web: LCP echo failure threshold 
UCI: network.3G.keepalive 
Opt: keepalive 
Presume peer to be dead after given amount of LCP echo 
failures, use 0 to ignore failures 
This command is used in conjunction with the LCP echo interval. 
The syntax is as follows: uci network.3G.keepalive=<echo failure 
threshold> <echo interval> 
Example: 
uci set network.3G.keepalive=15 10 
Web: LCP echo internal 
UCI: network.3G.keepalive 
Opt: keepalive 
Send LCP echo requests at the given interval in seconds, only 
effective in conjunction with failure  
This command is used in conjunction with the LCP echo failure 
threshold. The syntax is as follows: uci 
network.3G.keepalive=<echo failure threshold> <echo interval> 
Example: 
uci set network.3G.keepalive=15 10 
Web: Inactivity timeout 
UCI: network.3G.demand 
Opt: demand 
Close inactive connection after the given amount of seconds, use 
0 to persist connection. 
Do not disconnect on inactivity