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1What: /sys/class/net/<iface>/statistics/collisions2Date: April 20053KernelVersion: 2.6.124Contact: netdev@vger.kernel.org5Description:6 Indicates the number of collisions seen by this network device.7 This value might not be relevant with all MAC layers.8 9What: /sys/class/net/<iface>/statistics/multicast10Date: April 200511KernelVersion: 2.6.1212Contact: netdev@vger.kernel.org13Description:14 Indicates the number of multicast packets received by this15 network device.16 17What: /sys/class/net/<iface>/statistics/rx_bytes18Date: April 200519KernelVersion: 2.6.1220Contact: netdev@vger.kernel.org21Description:22 Indicates the number of bytes received by this network device.23 See the network driver for the exact meaning of when this24 value is incremented.25 26What: /sys/class/net/<iface>/statistics/rx_compressed27Date: April 200528KernelVersion: 2.6.1229Contact: netdev@vger.kernel.org30Description:31 Indicates the number of compressed packets received by this32 network device. This value might only be relevant for interfaces33 that support packet compression (e.g: PPP).34 35What: /sys/class/net/<iface>/statistics/rx_crc_errors36Date: April 200537KernelVersion: 2.6.1238Contact: netdev@vger.kernel.org39Description:40 Indicates the number of packets received with a CRC (FCS) error41 by this network device. Note that the specific meaning might42 depend on the MAC layer used by the interface.43 44What: /sys/class/net/<iface>/statistics/rx_dropped45Date: April 200546KernelVersion: 2.6.1247Contact: netdev@vger.kernel.org48Description:49 Indicates the number of packets received by the network device50 but dropped, that are not forwarded to the upper layers for51 packet processing. See the network driver for the exact52 meaning of this value.53 54What: /sys/class/net/<iface>/statistics/rx_errors55Date: April 200556KernelVersion: 2.6.1257Contact: netdev@vger.kernel.org58Description:59 Indicates the number of receive errors on this network device.60 See the network driver for the exact meaning of this value.61 62What: /sys/class/net/<iface>/statistics/rx_fifo_errors63Date: April 200564KernelVersion: 2.6.1265Contact: netdev@vger.kernel.org66Description:67 Indicates the number of receive FIFO errors seen by this68 network device. See the network driver for the exact69 meaning of this value.70 71What: /sys/class/net/<iface>/statistics/rx_frame_errors72Date: April 200573KernelVersion: 2.6.1274Contact: netdev@vger.kernel.org75Description:76 Indicates the number of received frames with error, such as77 alignment errors. Note that the specific meaning depends on78 on the MAC layer protocol used. See the network driver for79 the exact meaning of this value.80 81What: /sys/class/net/<iface>/statistics/rx_length_errors82Date: April 200583KernelVersion: 2.6.1284Contact: netdev@vger.kernel.org85Description:86 Indicates the number of received error packet with a length87 error, oversized or undersized. See the network driver for the88 exact meaning of this value.89 90What: /sys/class/net/<iface>/statistics/rx_missed_errors91Date: April 200592KernelVersion: 2.6.1293Contact: netdev@vger.kernel.org94Description:95 Indicates the number of received packets that have been missed96 due to lack of capacity in the receive side. See the network97 driver for the exact meaning of this value.98 99What: /sys/class/net/<iface>/statistics/rx_nohandler100Date: February 2016101KernelVersion: 4.6102Contact: netdev@vger.kernel.org103Description:104 Indicates the number of received packets that were dropped on105 an inactive device by the network core.106 107What: /sys/class/net/<iface>/statistics/rx_over_errors108Date: April 2005109KernelVersion: 2.6.12110Contact: netdev@vger.kernel.org111Description:112 Indicates the number of received packets that are oversized113 compared to what the network device is configured to accept114 (e.g: larger than MTU). See the network driver for the exact115 meaning of this value.116 117What: /sys/class/net/<iface>/statistics/rx_packets118Date: April 2005119KernelVersion: 2.6.12120Contact: netdev@vger.kernel.org121Description:122 Indicates the total number of good packets received by this123 network device.124 125What: /sys/class/net/<iface>/statistics/tx_aborted_errors126Date: April 2005127KernelVersion: 2.6.12128Contact: netdev@vger.kernel.org129Description:130 Indicates the number of packets that have been aborted131 during transmission by a network device (e.g: because of132 a medium collision). See the network driver for the exact133 meaning of this value.134 135What: /sys/class/net/<iface>/statistics/tx_bytes136Date: April 2005137KernelVersion: 2.6.12138Contact: netdev@vger.kernel.org139Description:140 Indicates the number of bytes transmitted by a network141 device. See the network driver for the exact meaning of this142 value, in particular whether this accounts for all successfully143 transmitted packets or all packets that have been queued for144 transmission.145 146What: /sys/class/net/<iface>/statistics/tx_carrier_errors147Date: April 2005148KernelVersion: 2.6.12149Contact: netdev@vger.kernel.org150Description:151 Indicates the number of packets that could not be transmitted152 because of carrier errors (e.g: physical link down). See the153 network driver for the exact meaning of this value.154 155What: /sys/class/net/<iface>/statistics/tx_compressed156Date: April 2005157KernelVersion: 2.6.12158Contact: netdev@vger.kernel.org159Description:160 Indicates the number of transmitted compressed packets. Note161 this might only be relevant for devices that support162 compression (e.g: PPP).163 164What: /sys/class/net/<iface>/statistics/tx_dropped165Date: April 2005166KernelVersion: 2.6.12167Contact: netdev@vger.kernel.org168Description:169 Indicates the number of packets dropped during transmission.170 See the driver for the exact reasons as to why the packets were171 dropped.172 173What: /sys/class/net/<iface>/statistics/tx_errors174Date: April 2005175KernelVersion: 2.6.12176Contact: netdev@vger.kernel.org177Description:178 Indicates the number of packets in error during transmission by179 a network device. See the driver for the exact reasons as to180 why the packets were dropped.181 182What: /sys/class/net/<iface>/statistics/tx_fifo_errors183Date: April 2005184KernelVersion: 2.6.12185Contact: netdev@vger.kernel.org186Description:187 Indicates the number of packets having caused a transmit188 FIFO error. See the driver for the exact reasons as to why the189 packets were dropped.190 191What: /sys/class/net/<iface>/statistics/tx_heartbeat_errors192Date: April 2005193KernelVersion: 2.6.12194Contact: netdev@vger.kernel.org195Description:196 Indicates the number of packets transmitted that have been197 reported as heartbeat errors. See the driver for the exact198 reasons as to why the packets were dropped.199 200What: /sys/class/net/<iface>/statistics/tx_packets201Date: April 2005202KernelVersion: 2.6.12203Contact: netdev@vger.kernel.org204Description:205 Indicates the number of packets transmitted by a network206 device. See the driver for whether this reports the number of all207 attempted or successful transmissions.208 209What: /sys/class/net/<iface>/statistics/tx_window_errors210Date: April 2005211KernelVersion: 2.6.12212Contact: netdev@vger.kernel.org213Description:214 Indicates the number of packets not successfully transmitted215 due to a window collision. The specific meaning depends on the216 MAC layer used. On Ethernet this is usually used to report217 late collisions errors.218