if (get_wan_unit_value_int(unit, "ppp_lcp") > 0) { //new fprintf(fp, "lcp-echo-interval %d\n", 20); fprintf(fp, "lcp-echo-failure %d\n", 6); } //new if (get_wan_unit_value_int(unit, "ppp_alcp") > 0) fprintf(fp, "lcp-echo-adaptive\n");...