Optus USB Mobile Broadband connection issues - needed for OS install

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https://bbs.archlinux.org – Hi everyone,I am trying to install Arch, but I need an internet connection.To connect to the internet, I need to get my USB Mobile Broadband working.But, unfortunately, while wvdial seems to successfully connect to my Mobile Broadband (according to terminal output anyway), it acts as if it is not connected.Pinging fails and indicates no internet connection. This seems odd to me, because testing this on another machine using the exact same settings for /etc/wvdial.conf (and /etc/ppp/options) grants me internet access no problems. The username and password section are just filler, as the Mobile (HowTos)