09.Dec.2008 yyc [3.0G] add tcp_ref_delay_retransmit option 04.Dec.2008 lsw [3.0G] EEPROM hardware fault detection support 02.Dec.2008 lsw [3.0G] ID/PW command parameter length bug fix 28.Nov.2008 lsw [3.0G] sio1(TE2) rx idle time(10~20) detection support drop rcvd udp datagram if sio1(TE2) tx buffer is not available LCP Echo / TCP Keep-Alive default disable modify md5 hash function to avoid stack overflow ID/PW command parameter length bug fix cross-compiler change 3.4.1 -> 4.2.2 11.Dec.2007 yyc [3.0E] zero ppp_ref_lcp_timeout bug fix tmp_local_ip bug fix (update tmp_local_ip in ipcp_start) 29.Nov.2007 yyc [3.0D] add tcp_ref_delay_keep_alive option 15.Dec.2006 yyc [3.0C] duplicate 730(UDP SENT) message bug fix US command buffer size bug fix (300->256) hdlc rx buffer full limit bug fix 24.Jul.2006 yyc [3.0B] apply ppp_ref_lcp_count to code (LCP & IPCP) 17.Aug.2005 yyc [3.0A] initial release