Router Interface Metrics
The router interface metrics provide information about the network performance of the
router interface.
Metric Name | Metric API Name | Description |
|---|---|---|
Discarded Rx Packets | net.discardedRx.delta.summation.number | Number of discarded inbound packets. |
Discarded Tx Packets | net.discardedTx.delta.summation.number | Number of discarded outbound packets. |
Dropped Rx Packets | net.droppedRx.delta.summation.number | Number of received packets that were dropped during the collection
interval. |
Dropped Tx Packets | net.droppedTx.delta.summation.number | Number of transmitted packets that were dropped during the collection
interval. |
FCS Errors | net.errorFcs.delta.summation.number | Number of frames transmitted or received with a bad checksum (CRC
value) in the Ethernet frame. Frame check sequence errors indicate the
frames of data corrupted during transmission. These frames are
dropped and not propagated to other ports. |
Giant Errors | net.errorGiants.delta.summation.number | Number of giant errors (errors caused by packet having size greater
than MTU of the interface) over the network during the selected
duration. |
Interface Rx Utilization (%) | net.rx.utilization.absolute.latest.percent | Interface utilization percentage for the received traffic. |
Interface Tx Utilization (%) | net.tx.utilization.absolute.latest.percent | Interface utilization percentage for the transmitted traffic. |
Interface Utilization (%) | net.utilization.absolute.latest.percent | Interface utilization percentage for received and transmitted
traffic. |
Max Network Traffic Rate (kbps) | net.usage.rate.maximum.kiloBytesPerSecond | Maximum network usage rate over any five minute interval in the
selected duration. |
Max Network Tx Rate (kbps) | net.transmitted.rate.maximum.kiloBytesPerSecond | Maximum network data transmit rate over any five minute interval in
the selected duration. |
Max Packet Drop Ratio (%) | net.packetDrop.ratio.maximum.percent | Maximum five minute interval ratio of total dropped packets to total
number of packets. |
Max Packet Drops | net.droppedTotal.delta.maximum.number | Maximum number of dropped Rx and Tx packets over any five minute
interval in the selected duration. |
Multicast Rx Packets | net.multicastRx.delta.summation.number | Number of multicast packets received in the selected
duration. |
Multicast Tx Packets | net.multicastTx.delta.summation.number | Number of multicast packets transmitted in the selected
duration. |
Network Align Errors | net.errorAlign.delta.summation.number | Number of alignment errors detected over the network in the selected
duration. Network alignment errors occur if a frame arrives with
part of an octet missing, and has an FCS error. |
Network Carrier Sense Errors | net.errorCarrierSense.delta.summation.number | Number of carrier sense errors detected over the network in the
selected duration. Network carrier sense errors occur when an
interface cannot transmit a frame because it did not detect a
carrier. |
Network Deferred Tx Errors | net.errorDeferredTx.delta.summation.number | Number of deferred transmission errors detected over the network in
the selected duration. |
Network Excessive Collision Errors | net.errorExcessiveCollisions.delta.summation.number | Number of excessive collision errors detected over the network in the
selected duration. Network excessive collision errors occur when a station receives 16
consecutive collisions while attempting to transmit a single frame.
In such a situation, the frame is dropped due to the excessive
collisions. |
Network Late Collision Errors | net.errorLateCollisions.delta.summation.number | Number of late collision errors detected over the network in the
selected duration. |
Network Long Frame Errors | net.errorFrameTooLongs.delta.summation.number | Number of network long frame errors detected over the network in the
selected duration. |
Network Max Rx Rate | net.received.rate.maximum.kiloBytesPerSecond | The maximum rate at which the data is received during the time
interval. |
Network Multi Collision Errors | net.errorMultiCollisionFrames.delta.summation.number | Number of multi collision errors detected over the network in the
selected duration. |
Network Packet Count | net.packetsTotal.delta.summation.number | Total number of packets transmitted and received during the time
interval. |
Network Packet Drop Percent | net.packetDrop.ratio.average.percent | Average ratio of total number of dropped packets to total number of
packets. |
Network Packet Drops | net.droppedTotal.delta.summation.number | Total number of packets dropped during the time interval. |
Network Receive Errors | net.errorRcv.delta.summation.number | Number of receive errors received on the physical interface in the
selected duration. Receive errors occur when there is excessive output
rates of traffic, or if the receive buffer is full. |
Network Rx Int Mac Errors | net.errorRxIntMac.delta.summation.number | Number of frames for which reception on a particular interface has
failed due to an internal MAC sublayer receive error. |
Network Rx Rate | net.received.rate.average.kiloBytesPerSecond | Average rate at which data is received during the time
interval. |
Network Single Collision Errors | net.errorSingleCollisionFrames.delta.summation.number | Number of single collision errors detected over the network in the
selected duration. |
Network SQE Test Errors | net.errorSQETests.delta.summation.number | Number of signal quality test errors detected over the network in the
selected duration. |
Network Symbol Errors | net.errorSymbol.delta.summation.number | Number of symbol errors detected over the network in the selected
duration. |
Network Traffic Rate | net.usage.rate.average.kiloBytesPerSecond | Average rate of received and transmitted traffic during the time
interval. |
Network Tx Intmac Errors | net.errorTxIntMac.delta.summation.number | Number of frames for which transmission on a particular interface
failed due to an internal MAC sublayer transmit error. |
Network Tx Rate | net.transmitted.rate.average.kiloBytesPerSecond | Average rate of transmitted traffic during the time interval. |
Network Undersize Errors | net.errorUnderSize.delta.summation.number | Number of undersize errors detected over the network in the selected
duration. Undersize errors indicate bad frames generated by connected
devices. |
Network Xmit Errors | net.errorXmit.delta.summation.number | Number of transmit errors detected over the network in the selected
duration. Xmit errors occur when there is excess input rates of
traffic, or if the transmit buffer is full. To minimize the
occurrence of this error, you must increase the speed of the
interface and move the link partner to full-duplex. |
Out Queue Length | net.outQLen.absolute.average.number | Number of output packets waiting in the queue. |
Rx Broadcast Packets | net.broadcastRx.delta.summation.number | Number of broadcast packets received during the time
interval. |
Rx Broadcast Ratio (%) | net.broadcastByRx.ratio.average.percent | Percentage of broadcast packets received during the time
interval. |
Rx Jumbo Packets | net.jumboRx.delta.summation.number | Number of jumbo packets received during the time interval. |
Rx Packet Drop Percent (%) | net.packetDropRx.ratio.average.percent | Average ratio of total number of dropped Rx packets to total number
of Rx packets. |
Rx Packet Errors | net.errorRx.delta.summation.number | Number of received packet errors detected over the network in the
selected duration. For packet-oriented interfaces, Rx packet error
indicates the number of inbound packets that contained errors
preventing them from being delivered to a higher-layer
protocol. For character-oriented or fixed-length interfaces,
Rx packet error indicates the number of inbound transmission units
that contained errors preventing them from being delivered to a
higher-layer protocol. |
Rx Packets | net.packetsRx.delta.summation.number | Number of packets received during the time interval. |
Total Network Traffic | net.usage.delta.summation.kiloBytes | Sum of data transmitted and received during the time
interval. |
Tx Broadcast Packets | net.broadcastTx.delta.summation.number | Number of broadcast packets transmitted during the time
interval. |
Tx Broadcast Ratio | net.broadcastByTx.ratio.average.percent | Average percent of broadcast packets transmitted during the time
interval. |
Tx Jumbo Packets | net.jumboTx.delta.summation.number | Number of jumbo packets transmitted during the time interval. |
Tx Packet Drop Percent | net.packetDropTx.ratio.average.percent | Ratio of total number of dropped Tx packets to total number of Tx
packets. |
Tx Packet Errors | net.errorTx.delta.summation.number | Number of transmitted packet errors detected over the network in the
selected duration. For packet-oriented interfaces, Tx packet errors
indicate the number of outbound packets that were not transmitted
because of errors. For character-oriented or fixed-length
interfaces, Tx packet errors indicate the number of outbound
transmission units that were not transmitted because of
errors. |
Tx Packets | net.packetsTx.delta.summation.number | Number of packets transmitted during the time interval. |
Unicast Rx Packets | net.unicastRx.delta.summation.number | Total number of unicast packets received during the time
interval. |
Unicast Tx Packets | net.unicastTx.delta.summation.number | Total number of unicast packets transmitted during the time
interval. |
Unknown Rx Packets | net.unknownRx.delta.summation.number | Total number of unknown packets received during the time
interval. For packet-oriented interfaces, unknown Rx packets
indicate the number of packets received through the interface that
were discarded because of an unknown protocol or an unsupported
protocol. For character-oriented or fixed-length interfaces
that support protocol multiplexing, unknown Rx packets indicate the
number of transmission units received through the interface that
were discarded because of an unknown protocol or an unsupported
protocol. |
Total Rx Bytes | net.totalRx.delta.summation.bytes | Sum of bytes received during the time interval. |
Total Tx Bytes | net.totalTx.delta.summation.bytes | Sum of bytes transmitted during the time interval. |
uRPF Drop Packets | net.droppedRPFRx.delta.summation.number | Number of packets dropped due to unicast reverse-path forwarding
(uRPF) |
uRPF Packet Drop Ratio | net.droppedRPFRx.rate.average.percent | Average ratio of dropped uRPF packets to total Rx packets. |