sifMaxPacketSize
CTATX-MIB ·
.1.3.6.1.4.1.97.3.7.2.1.42
Object
column
mandatory
r/w
Integer32
The maximum packet size, in bytes (octets), which may be transmitted through this port. This parameter may not be changed, except for PPP ports, in which case, changing sifMaxPacketSize automatically causes ifMtu and pppLinkLocalMRU to change.
Syntax
Integer32
- Source
- COPS-PR-SPPIInteger32
- Base type
Integer32
Values & Constraints
Type Constraints
range: -2147483648..2147483647
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| sifIndex mandatory The port number, beginning with 1 for the first port. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.1 |
| sifTxStormTime mandatory The period of time, in centiseconds, which qualifies
sifTxStormCnt (not applicable for UART ports). | column | RFC1155-SMITimeTicks | .1.3.6.1.4.1.97.3.7.2.1.10 |
| sifFilterFlags mandatory Special filter flags; any combination of the following bits:
0x0001 NO_SOURCE_SAME, 0x0002 NO_SOURCE_LEARNT, 0x0004
NO_LEARNING, 0x0008 NO_DEST_LEARNT | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.11 |
| sifCongestTime mandatory When a port becomes congested, the PPE will discard any packets
destined to the port for this many centiseconds following the
congestion alarm. Possible values 0 through 5 minutes… | column | RFC1155-SMITimeTicks | .1.3.6.1.4.1.97.3.7.2.1.12 |
| sifQueueTime mandatory The time, in centiseconds, after which an element in a transmit
queue will be flushed. | column | RFC1155-SMITimeTicks | .1.3.6.1.4.1.97.3.7.2.1.13 |
| sifPortCost mandatory | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.14 |
| sifStPriority mandatory | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.15 |
| sifFunctions mandatory The current functional state (protocols which have been
activated and are operational) of the port. The following
values or combinations are supported:
0x0001 NMS, 0x0002 … | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.16 |
| sifCongested mandatory Whether the port is out-bound congested. | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.17 |
| sifState mandatory | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.18 |
| sifDesigCost mandatory | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.19 |
| sifSmlRxCnt mandatory The number of small data buffers for receiving packets. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.2 |
| sifDesigRoot mandatory | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.20 |
| sifDesigBridge mandatory | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.21 |
| sifDesigPort mandatory | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.22 |
| sifRxPackets mandatory A 100 byte array, containing the number of received packets
broken down into 25 categories. The number of packets in each
category is encoded as a series of 4 bytes, which should … | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.23 |
| sifRxChar0s mandatory Number of characters in the forwarded received packets. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.24 |
| sifRxChar1s mandatory Number of characters in the filtered received packets. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.25 |
| sifRxSizeErrors mandatory Number of received packets discarded due to size errors. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.26 |
| sifRxHwFCSs mandatory Number of received packets discarded due to FCS errors. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.27 |
| sifRxQueues mandatory Number of received packets lost because of insufficient receive
buffers.(For certain interfaces with multi-packet FIFO hardware,
this count might be approximate.) | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.28 |
| sifLrgRxCnt mandatory The number of large data buffers for receiving packets; must be
zero for CSMA and UART ports. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.3 |
| sifTxPackets mandatory A 20 byte array, containing the number of transmitted packets
broken down into 5 categories. The number of packets in each
category is encoded as a series of 4 bytes, which should… | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.30 |
| sifTxCongests obsolete | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.31 |
| sifTxStorms mandatory Number of packets not sent due to protection against a
multicast storm. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.32 |
| sifTxDests mandatory Number of packets not sent due to a destination port filtering
restriction. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.33 |
| sifErrorsFlag mandatory Whether the port has exceeded the limits specified by
sifThreshold and sifThresholdTime. | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.34 |
| sifTxStormFlag mandatory Whether PPE has invoked multicast storm protection. | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.35 |
| sifTxSizes mandatory Number of packets not sent due to size limitations. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.36 |
| sifTxAddr mandatory A series of 16 MAC addresses (96 octets in total), of the
source addresses of the last 16 packets that were not sent due
to packet size limitations. If fewer than 16 packets were … | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.37 |
| sifLan mandatory Up to four group identifiers assigned to the port. The sifLan
identifier is only used by combination filter testing, i.e.,
for comparisons against filterSrcLan. Possible values ar… | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.38 |
| sifStatisticsTime mandatory Length of time during which statistics were collected. In
particular, the following statistics may be examined to
determine the exact utilization rate of a port:
ifInOctets, ifIn… | column | RFC1155-SMITimeTicks | .1.3.6.1.4.1.97.3.7.2.1.39 |
| sifUxTxCnt mandatory The maximum size of the port's transmit queue, i.e., the number
of packets that can be in the port's transmit queue, waiting to
be transmitted. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.4 |
| sifIpAddress mandatory The IP address assigned to the port. If this is zero, then the
port must learn its IP address via Reverse ARP or PPP's IPCP. | column | RFC1155-SMIIpAddress | .1.3.6.1.4.1.97.3.7.2.1.40 |
| sifIpGroupAddress mandatory Zero, or an IP Group address assigned to the port. | column | RFC1155-SMIIpAddress | .1.3.6.1.4.1.97.3.7.2.1.41 |
| sifExpectSqe mandatory Whether the port should expect SQE, also known as heartbeat
(not applicable for ports other than CSMA/CD ports). | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.43 |
| sifFilterLocal mandatory Whether the port should attempt to filter local traffic,
bypassing all statistics accumulation, rather than passing the
local traffic to the Packet Processing Engine. Filtering lo… | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.44 |
| sifInQLen mandatory The maximum length ever obtained by the port's inbound packet
queue (in packets). The size of a port's inbound packet queue
is periodically polled (rather than recalculated whenev… | column | RFC1155-SMIGauge | .1.3.6.1.4.1.97.3.7.2.1.45 |
| sifFrameSwitching mandatory Valid only for Token Ring ports. Options include:
enabled (1), disabled (2).Defaults to disabled(2). If
enabled, frames may be bridged between token ring ports on
the same board a… | column | Enumeration | .1.3.6.1.4.1.97.3.7.2.1.46 |
| sifRingDrops mandatory Only valid for 802.5 token ring. Number of times
the ring left the open state. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.47 |
| sifAdapterChecks mandatory Only valid for 802.5 token ring. Number of times
the MAC chip experienced an internal hardware failure
and had to be reset. | column | RFC1155-SMICounter | .1.3.6.1.4.1.97.3.7.2.1.48 |
| sifIpRipPortMetric mandatory Port metric for backup RIP interface. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.49 |
| sifThreshold mandatory Maximum number of combined receive and transmit packet hardware
errors before an alarm should be generated. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.5 |
| sifDescr mandatory A textual string containing information about the
interface. This string should include the name of
the manufacturer, the product name and the version
of the hardware interface. | column | OctetString | .1.3.6.1.4.1.97.3.7.2.1.50 |
| sifThresholdTime mandatory The time period (in seconds) to which sifThreshold applies. A
value of zero will disable the sifThreshold alarm. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.6 |
| sifRxQueueThresh mandatory Maximum number of receive packet queue overflow errors before
an alarm should be generated. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.7 |
| sifRxQueueThreshTime mandatory The time period (in seconds) to which sifRxQueueThresh applies.
A value of zero will disable the sifRxQueueThresh alarm. | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.8 |
| sifTxStormCnt mandatory The maximum number of multicasts to transmit with a certain
period of time (not applicable for UART ports). | column | Integer32 | .1.3.6.1.4.1.97.3.7.2.1.9 |