diff --git a/components/tcpip_adapter/tcpip_adapter_lwip.c b/components/tcpip_adapter/tcpip_adapter_lwip.c index 0f681d9135..78fecf2cbf 100644 --- a/components/tcpip_adapter/tcpip_adapter_lwip.c +++ b/components/tcpip_adapter/tcpip_adapter_lwip.c @@ -161,6 +161,9 @@ esp_err_t tcpip_adapter_down(tcpip_adapter_if_t tcpip_if) ip4_addr_set_zero(&esp_ip[tcpip_if].netmask); } + /* Modify ip address to trigger tcp/udp pcb cleanup */ + netif_set_addr(esp_netif[tcpip_if], IP4_ADDR_ANY, IP4_ADDR_ANY, IP4_ADDR_ANY); + netif_set_down(esp_netif[tcpip_if]); }