diff --git a/components/esp_netif/lwip/esp_netif_lwip_ppp.c b/components/esp_netif/lwip/esp_netif_lwip_ppp.c index 03a11bafe3b..259ec9f4b75 100644 --- a/components/esp_netif/lwip/esp_netif_lwip_ppp.c +++ b/components/esp_netif/lwip/esp_netif_lwip_ppp.c @@ -256,6 +256,10 @@ esp_err_t esp_netif_start_ppp(esp_netif_t *esp_netif) // Set our preferred address, and accept the remote ppp_ctx->ppp->ipcp_wantoptions.ouraddr = ppp_ctx->ppp_our_ip4_addr.addr; ppp_ctx->ppp->ipcp_wantoptions.accept_remote = 1; + ppp_ctx->ppp->ask_for_local = 1; /* `ask_for_local` option in the lwip's pcb is `0` by default and causes + * the initial negotiation IPCP request to reset our own address to '0.0.0.0'. + * https://github.com/lwip-tcpip/lwip/blob/1cc1536e/src/netif/ppp/ipcp.c#L728-L729 + */ } if (ppp_ctx->ppp_their_ip4_addr.addr != IPADDR_ANY) { // Set their preferred address, and accept the local