diff --git a/libraries/Ethernet/src/Ethernet.cpp b/libraries/Ethernet/src/Ethernet.cpp index 26d63e5a2..8d9c51a88 100644 --- a/libraries/Ethernet/src/Ethernet.cpp +++ b/libraries/Ethernet/src/Ethernet.cpp @@ -9,6 +9,10 @@ int arduino::EthernetClass::begin(uint8_t *mac, unsigned long timeout, unsigned if (eth_if == nullptr) return 0; } + if (mac != nullptr) { + eth_if->get_emac().set_hwaddr(mac); + } + unsigned long start = millis(); eth_if->set_blocking(false); eth_if->connect();
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