> Port Schema Statistics
> The Port schema provides the following types of statistics:

> • | Counter: A counter records incremental data cumulatively and rolls over when the counter limit is reached. The limit depends upon the counter data type.

> • | Gauge: A gauge statistic indicates a single value representative of a single instance. This type is often used to track particular events in time.

> Important: The format string syntax is described by Schema Format String Syntax in the Bulk Statistics Overview chapter.
> Important: Unless otherwise indicated, all statistics are counters. For statistics with the Int32 data type, the roll-over to zero limit is 4,294,967,295. For statistics with the Int64 data type, the roll-over to zero limit is 18,446,744,073,709,551,615. All counter statistics are cumulative and reset only by one of the following methods: roll-over (as described above), after a system restart, or after a clear command is performed. All statistics are considered standards-based unless otherwise noted.
> The following variables are supported:
> Port-level Schema Statistics

> Statistic | Description | Data Type
> card | Chassis slot numbers 17 through 48. | Int32
> port | Port number on the card; 0 through 7 for the Ethernet 10/100 Line Card, 0 for the Ethernet 1000 Line Card, 0 through 3 for the four-port Quad Gig-E line card (ST40 only), and 0 through 1 for the SPIO. | Int32
> maxrate | The maximum physical data rate for the port. For example a 10/100 Ethernet port that has negotiated a 10 Mbps rate reports 100,000,000 as the max rate (100 Mbps). | Int64
> rxbytes | The number of bytes received over the port. | Int64
> txbytes | The number of bytes transmitted over the port. | Int64
> ucast_inpackets | The number of unicast packets received over the port. Important: This statistic is not supported for SPIO ports. | Int64
> ucast_outpackets | The number of unicast packets sent over the port. Important: This statistic is not supported for SPIO ports. | Int64
> mcast_inpackets | The number of multicast packets received over the port. Important: This statistic is not supported for SPIO ports. | Int64
> mcast_outpackets | The number of multicast packets sent over the port. Important: This statistic is not supported for SPIO ports. | Int64
> bcast_inpackets | The number of broadcast packets received over the port. Important: This statistic is not supported for SPIO ports. | Int64
> bcast_outpackets | The number of broadcast packets sent over the port. Important: This statistic is not supported for SPIO ports. | Int64
> rxpackets | The number of packets received over the port. | Int64
> txpackets | The number of packets transmitted over the port. | Int64
> rxdiscbytes | The number of bytes received over the port that were discarded. | Int64
> rxdiscpackets | The number of packets received over the port that were discarded. | Int64
> txdiscbytes | The number of bytes transmitted over the port that were discarded. | Int64
> txdiscpackets | The number of packets transmitted over the port that were discarded. | Int64
> frag-rcvd | The number of fragments received on this port. | Int64
> pkt-reassembled | The number of packets re-assembled from fragments received on this port. | Int64
> frag-tokernel | The number of fragments received on this port and sent to the kernel. | Int64
> util-rx-curr | The current average port utilization for received data in Mbps. | Int64
> util-tx-curr | The current average port utilization for transmitted data in Mbps. | Int64
> util-rx-5min | The average port utilization for received data over the last five minutes in Mbps. | Int64
> util-tx-5min | The current average port utilization for transmitted data over the last five minutes in Mbps. | Int64
> util-rx-15min | The average port utilization for received data over the last 15 minutes in Mbps. | Int64
> util-tx-15min | The current average port utilization for transmitted data over the last 15 minutes in Mbps. | Int64
> port-5peak-rx-util | This is the peak Rx port utilization. This is the peak one minute average over the last 5 minutes. This is a Gauge type of statistic. | Int64
> port-5peak-tx-util | This is the peak Tx port utilization. This is the peak one minute average over the last 5 minutes. This is a Gauge type of statistic. | Int64
> port-15peak-rx-util | This is the peak Rx port utilization. This is the peak one minute average over the last 15 minutes. This is a Gauge type of statistic. | Int64
> port-15peak-rx-util | This is the peak Tx port utilization. This is the peak one minute average over the last 15 minutes. This is a Gauge type of statistic. | Int64
> Important: See Bulk Statistics Overview for statistics that are common to all schema.

> ‌

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