3G configuration with Tele2

This example shows how to configure internet connection over 3G at the Latvian Tele2 mobile operator:

PPP client:

/interface ppp-client
add add-default-route=yes allow=pap,chap,mschap1,mschap2
apn=mobileinternet.tele2.lv data-channel=0 dial-command=ATDT
dial-on-demand=no disabled=no info-channel=3 \
   keepalive-timeout=10 max-mru=1500 max-mtu=1500
modem-init="AT+CGDCONT=1,\"IP\",\"mobileinternet.tele2.lv\""
mrru=disabled name=Tele2_internet_ppp_con null-modem=no \
   password=wap phone=*99# pin="" port=usb1 profile=Tele2
use-peer-dns=yes user=wap

PPP profile:

add change-tcp-mss=default name=Tele2 only-one=default
remote-address=130.244.196.90 remote-ipv6-prefix-pool=none
use-compression=default \
   use-encryption=default use-ipv6=yes use-mpls=default
use-vj-compression=default