With the Arduino Ethernet Shield, this library allows an Arduino board to connect to the internet.
For more information about this library please visit us at http://www.arduino.cc/en/Reference/Ethernet
Modified by Steven Lian to support ESP32 ethernet upgrade Initialization (begin) add soft reset to avoid the switch can not detect the cable
Copyright (c) 2010 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA