Unicom's broadband is about to expire. At the end of the year, the major operators took advantage of 99 yuan to pull a 100 megabyte optical fiber / half a year's Unicom 50 trillion yuan / year (originally it was 100 megabytes, but the maximum access bandwidth of this old community is only 50 megabytes). The initial idea is to build a two-line main equipment, which is the overturned Feixun K3, the Lele firmware, emmm, to be exact, openwrt Don't care about the details! Unicom is OK to say that it used to be, direct route dial-up is OK, Telecom is a bit of trouble, Shanghai Telecom now began to use a new light cat, and set the interface nothing, the basic port forwarding can not be seen, consult the broadband installed brother want to light cat ultra dense, the results tell Telecom is now the old and new two sets of systems, this light cat all equipped with