Cisco Cisco 4G LTE Enhanced High-Speed WAN Interface Cards for Europe

 

 

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Figure 5.    Network Topology for Primary/Backup Scenario 

 

This router configuration configures the router to use cellular as a backup Internet connection. The primary WAN 

connection in this case is an integrated DSL connection. 

! 

ip dhcp pool LAN 

 network 192.168.18.0 255.255.255.0 

 default-router 192.168.18.1 

 dns-server 192.168.100.11 

!DHCP pool to give out IP address to local hosts 

! 

chat-script lte "" "AT!CALL1" TIMEOUT 20 "OK" 

!chat script to use to dial out for setting up cellular connection 

! 

track 234 ip sla 1 rechability 

!Enable the object tracking 

 

 

! 

interface GigabitEthernet0/1/0 

 switchport access vlan 18 

 no ip address 

!Switch-port to connect local client to router 

! 

interface ATM0/0/0 

 no ip address