The below configuration will allow basic internet connectivity with focus on the magic sauce being the APN configuration. Where we have two options, those being:
Telstra Direct Internet:
cellular 0/2/0 lte profile create 1 telstra.internet
Telstra Corp Access: (requires a user to be setup in IPSS for Radius Auth) An /32 IP assigned and framed route that will be injected into BGP for consumption.
cellular 0/2/0 lte profile create 1 telstra.corp chap %username%@gprs.%domainname%.com.au %password%
interface Cellular0/2/0
ip address negotiated
ip nat outside << ONLY required on direct internet (telstra.internet)
dialer in-band
dialer idle-timeout 0
dialer-group 1
ipv6 enable
pulse-time 1
!
interface Cellular0/2/1
no ip address
shutdown
!
interface Vlan1
no ip address
shutdown
!
interface Vlan10 << Can be an SVi or Physical interface
ip address 10.10.10.1 255.255.255.0
ip nat inside << ONLY required if NAT is being used on direct internet
!
ip nat inside source list 1 interface Cellular0/2/0 overload
ip route 0.0.0.0 0.0.0.0 Cellular0/2/0
!access-list 1 permit any
dialer-list 1 protocol ip permit
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