在dpdk17版本中，l2fwd支持手动修改目的MAC地

编译如下： # export RTE_SDK=/root/dpdk-stable-17.11.1 # export RTE_TARGET=build # make CC main.o LD l2fwd INSTALL-APP l2fwd INSTALL-MAP l2fwd.map 适配dpdk-17.11.1，命令通过新增-d指定端口的dmac。 ./build/l2fwd -c 3 -n 2 -- -p 3 -d 11:11:11:11:11:11 -d 22:22:22:22:22:22 Port0的dmac为: 11:11:11:11:11:11 Port2的dmac为: 22:22:22:22:22:22 运行时输出信息增加了port的用户指定dmac显示: … Initializing port 0... done: Port 0, MAC address: 52:54:00:46:8D:C0 Initializing port 1... done: Port 1, MAC address: 52:54:00:F0:6C:50 Port 0, Destination MAC address: 11:11:11:11:11:11 Port 1, Destination MAC address: 22:22:22:22:22:22