menu "Example Configuration" config EXAMPLE_IPV4 bool "IPV4" default y depends on LWIP_IPV4 config EXAMPLE_IPV6 bool "IPV6" default n select EXAMPLE_CONNECT_IPV6 config EXAMPLE_PORT int "Port" range 0 65535 default 3333 help Local port the example server will listen on. config EXAMPLE_KEEPALIVE_IDLE int "TCP keep-alive idle time(s)" default 5 help Keep-alive idle time. In idle time without receiving any data from peer, will send keep-alive probe packet config EXAMPLE_KEEPALIVE_INTERVAL int "TCP keep-alive interval time(s)" default 5 help Keep-alive probe packet interval time. config EXAMPLE_KEEPALIVE_COUNT int "TCP keep-alive packet retry send counts" default 3 help Keep-alive probe packet retry count. endmenu