openthread: enable lwip multicast ping in examples

Multicast ping reply is required for OpenThread certification.
2021-07-15 17:28:28 +08:00 · 2021-07-15 17:28:28 +08:00 · 71fd44f6ab
commit 71fd44f6ab
--- a/examples/openthread/ot_br/sdkconfig.defaults
+++ b/examples/openthread/ot_br/sdkconfig.defaults
@ -37,4 +37,5 @@ CONFIG_OPENTHREAD_BORDER_ROUTER=y
 # lwIP
 #
 CONFIG_LWIP_IPV6_NUM_ADDRESSES=8
+CONFIG_LWIP_MULTICAST_PING=y
 # end of lwIP
--- a/examples/openthread/ot_cli/sdkconfig.defaults
+++ b/examples/openthread/ot_cli/sdkconfig.defaults
@ -36,4 +36,5 @@ CONFIG_OPENTHREAD_ENABLED=y
 # lwIP
 #
 CONFIG_LWIP_IPV6_NUM_ADDRESSES=8
+CONFIG_LWIP_MULTICAST_PING=y
 # end of lwIP