By default on CentOS 6.x is used 8169 instead of 8168 driver for Ethernet. Network device display (lspci output): [root@static89 ~]# lspci|grep Eth 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 09) Loaded driver: [root@static89 ~]# lsmod|grep 816 r8169 74378 0 From dmesg output: r8169 Gigabit Ethernet driver 2.3LK-NAPI…
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