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

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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. 
Page 14 of 63 
! 
interface GigabitEthernet0/1/1 
 no ip address 
! 
interface GigabitEthernet0/1/2 
 no ip address 
! 
interface Cellular0/0/0 
 ip address negotiated 
 ip nat outside   !>> NAT enabled 
no ip virtual-reassembly in 
 encapsulation slip !>>default encap changed from PPP in 3G to slip for 4G 
 dialer in-band 
 dialer string lte  !>> must match to the chat-script name 
 dialer-group 1  !>>dialer group number must match the dialer list number 
! 
interface Vlan18 
 ip address 192.168.18.1 255.255.255.0 
 ip nat inside 
!Vlan 18 is used as LAN interface and traffic from entering via this interface is 
NAT’ed 
! 
ip nat inside source list 2 interface Cellular0/0/0 overload 
!NAT statement to match the NAT traffic as per access-list 2 
ip route 0.0.0.0 0.0.0.0 Cellular0/0/0 
!Default route pointing to the cellular interface 
! 
access-list 1 permit any   !>> define what traffic can trigger the dialer 
access-list 2 permit 192.168.18.0 0.0.0.255 
dialer-list 1 protocol ip list 1  !>>associate acl 1 to dialer-list 1 
! 
line 0/0/0  !>> line associated with cellular 0/0/0 
 script dialer lte  !>>> “lte” matches to dialer string and the chat-script name 
 modem InOut 
Validating Basic Internet Connectivity 
To determine if the basic configuration is working, enter the following show commands: 
ROUTER#sh ip route         
<snip> 
S*    0.0.0.0/0 is directly connected, Cellular0/0/0