1. unsupported cases by "phy" command
2. DHCP server behavior different from ESP8266
3. TCP failed cases causes by unstable TCP behavior
4. UDP failed cases by poor UDP performance
^TCPIP_IGMP_0203
^TCPIP_IGMP_0204
+# don't support PHY mode command
+WIFI_SCAN_0201
+WIFI_SCAN_0302
+WIFI_PHY_0401
+WIFI_PHY_0402
+WIFI_PHY_0403
+WIFI_PHY_0404
+WIFI_PHY_0405
+WIFI_PHY_0407
+WIFI_PHY_0406
+WIFI_PHY_0408
+WIFI_PHY_0501
+WIFI_PHY_0502
+WIFI_PHY_0503
+WIFI_PHY_0504
+WIFI_PHY_0505
+WIFI_PHY_0506
+
# BUG
# auth change event
^TCPIP_DHCP_0207
TCPIP_DHCP_0208
^TCPIP_DHCP_0208
+TCPIP_DHCP_0205
+^TCPIP_DHCP_0205
+TCPIP_DHCP_0209
+^TCPIP_DHCP_0209
# TCP issue
TCPIP_TCP_0402
TCPIP_TCP_0210
^TCPIP_TCP_0210
TCPIP_TCP_0103
+^TCPIP_TCP_0103
+TCPIP_TCP_0112
+^TCPIP_TCP_0112
# UDP issue
^TCPIP_UDP_0103
TCPIP_UDP_0110
^TCPIP_UDP_0110
+TCPIP_UDP_0305
+^TCPIP_UDP_0305