OLD-CISCO-INTERFACES-MIB
- Registered at
- 1.3.6.1.4.1.9.2.2
- Namespace
- cisco
- Source file
OLD-CISCO-INTERFACES-MIB- Digest
sha256:67bef549d12ee67d01c648346283badb38f49884ac48f83047f746947a7b4342
Imports
| From | Symbols |
|---|---|
| CISCO-SMI | local |
| IF-MIB | ifIndex |
| SNMPv2-CONF | MODULE-COMPLIANCE, NOTIFICATION-GROUP |
| SNMPv2-SMI | Counter32, MODULE-IDENTITY, NOTIFICATION-TYPE, OBJECT-IDENTITY, OBJECT-TYPE, iso |
| SNMPv2-TC | DisplayString, TEXTUAL-CONVENTION |
Imported by
1 module(s) in this corpus import this one.
Load order
Every file a consumer needs in order to load this module, dependencies first.
CISCO-SMI IANAifType-MIB IF-MIB OLD-CISCO-INTERFACES-MIB SNMPv2-CONF SNMPv2-MIB SNMPv2-SMI SNMPv2-TC
Objects
| Name | OID | Syntax | Access | Status |
|---|---|---|---|---|
| linterfaces OBJECT-IDENTITY | 1.3.6.1.4.1.9.2.2 | |||
| lifTable OBJECT-TYPE A list of interface entries. | 1.3.6.1.4.1.9.2.2.1 | not-accessible | mandatory | |
| lifEntry OBJECT-TYPE A collection of additional objects in the cisco interface. | 1.3.6.1.4.1.9.2.2.1.1 | not-accessible | mandatory | |
| locIfHardType OBJECT-TYPE Returns the type of interface. | 1.3.6.1.4.1.9.2.2.1.1.1 | DisplayString | read-only | mandatory |
| locIfLineProt OBJECT-TYPE Boolean whether interface line protocol is up or not. | 1.3.6.1.4.1.9.2.2.1.1.2 | INTEGER | read-only | mandatory |
| locIfLastIn OBJECT-TYPE Elapsed time in milliseconds since last line protocol input packet was received. | 1.3.6.1.4.1.9.2.2.1.1.3 | INTEGER | read-only | mandatory |
| locIfLastOut OBJECT-TYPE Elapsed time in milliseconds since last line protocol output packet was transmitted. | 1.3.6.1.4.1.9.2.2.1.1.4 | INTEGER | read-only | mandatory |
| locIfLastOutHang OBJECT-TYPE Elapsed time in milliseconds since last line protocol output packet could not be successfully transmitted. | 1.3.6.1.4.1.9.2.2.1.1.5 | INTEGER | read-only | mandatory |
| locIfInBitsSec OBJECT-TYPE Five minute exponentially-decayed moving average of input bits per second. | 1.3.6.1.4.1.9.2.2.1.1.6 | INTEGER | read-only | mandatory |
| locIfInPktsSec OBJECT-TYPE Five minute exponentially-decayed moving average of input packets per second. | 1.3.6.1.4.1.9.2.2.1.1.7 | INTEGER | read-only | mandatory |
| locIfOutBitsSec OBJECT-TYPE Five minute exponentially-decayed moving average of output bits per second. | 1.3.6.1.4.1.9.2.2.1.1.8 | INTEGER | read-only | mandatory |
| locIfOutPktsSec OBJECT-TYPE Five minute exponentially-decayed moving average of output packets per second. | 1.3.6.1.4.1.9.2.2.1.1.9 | INTEGER | read-only | mandatory |
| locIfInRunts OBJECT-TYPE Number of packets input which were smaller then the allowable physical media permitted. | 1.3.6.1.4.1.9.2.2.1.1.10 | INTEGER | read-only | mandatory |
| locIfInGiants OBJECT-TYPE Number of input packets which were larger then the physical media permitted. | 1.3.6.1.4.1.9.2.2.1.1.11 | INTEGER | read-only | mandatory |
| locIfInCRC OBJECT-TYPE Number of input packets which had cyclic redundancy checksum errors. | 1.3.6.1.4.1.9.2.2.1.1.12 | INTEGER | read-only | mandatory |
| locIfInFrame OBJECT-TYPE Number of input packet which were misaligned. | 1.3.6.1.4.1.9.2.2.1.1.13 | INTEGER | read-only | mandatory |
| locIfInOverrun OBJECT-TYPE Count of input which arrived too quickly for the to hardware receive. | 1.3.6.1.4.1.9.2.2.1.1.14 | INTEGER | read-only | mandatory |
| locIfInIgnored OBJECT-TYPE Number of input packets which were simply ignored by this interface. | 1.3.6.1.4.1.9.2.2.1.1.15 | INTEGER | read-only | mandatory |
| locIfInAbort OBJECT-TYPE Number of input packets which were aborted. | 1.3.6.1.4.1.9.2.2.1.1.16 | INTEGER | read-only | mandatory |
| locIfResets OBJECT-TYPE Number of times the interface internally reset. | 1.3.6.1.4.1.9.2.2.1.1.17 | INTEGER | read-only | mandatory |
| locIfRestarts OBJECT-TYPE Number of times interface needed to be completely restarted. | 1.3.6.1.4.1.9.2.2.1.1.18 | INTEGER | read-only | mandatory |
| locIfKeep OBJECT-TYPE Boolean whether keepalives are enabled on this interface. | 1.3.6.1.4.1.9.2.2.1.1.19 | INTEGER | read-only | mandatory |
| locIfReason OBJECT-TYPE Reason for interface last status change. | 1.3.6.1.4.1.9.2.2.1.1.20 | DisplayString | read-only | mandatory |
| locIfCarTrans OBJECT-TYPE Number of times interface saw the carrier signal transition. | 1.3.6.1.4.1.9.2.2.1.1.21 | INTEGER | read-only | mandatory |
| locIfReliab OBJECT-TYPE The reliability of the interface. Used by IGRP. | 1.3.6.1.4.1.9.2.2.1.1.22 | INTEGER | read-only | mandatory |
| locIfDelay OBJECT-TYPE The amount of delay in microseconds of the interface. Used by IGRP. | 1.3.6.1.4.1.9.2.2.1.1.23 | INTEGER | read-only | mandatory |
| locIfLoad OBJECT-TYPE The loading factor of the interface. Used by IGRP. | 1.3.6.1.4.1.9.2.2.1.1.24 | INTEGER | read-only | mandatory |
| locIfCollisions OBJECT-TYPE The number of output collisions detected on this interface. | 1.3.6.1.4.1.9.2.2.1.1.25 | INTEGER | read-only | mandatory |
| locIfInputQueueDrops OBJECT-TYPE The number of packets dropped because the input queue was full. | 1.3.6.1.4.1.9.2.2.1.1.26 | INTEGER | read-only | mandatory |
| locIfOutputQueueDrops OBJECT-TYPE The number of packets dropped because the output queue was full. | 1.3.6.1.4.1.9.2.2.1.1.27 | INTEGER | read-only | mandatory |
| locIfDescr OBJECT-TYPE User configurable interface description. | 1.3.6.1.4.1.9.2.2.1.1.28 | DisplayString | read-write | mandatory |
| locIfSlowInPkts OBJECT-TYPE Packet count for Inbound traffic routed with slow switching | 1.3.6.1.4.1.9.2.2.1.1.30 | Counter | read-only | mandatory |
| locIfSlowOutPkts OBJECT-TYPE Packet count for Outbound traffic routed with slow switching | 1.3.6.1.4.1.9.2.2.1.1.31 | Counter | read-only | mandatory |
| locIfSlowInOctets OBJECT-TYPE Octet count for Inbound traffic routed with slow switching | 1.3.6.1.4.1.9.2.2.1.1.32 | Counter | read-only | mandatory |
| locIfSlowOutOctets OBJECT-TYPE Octet count for Outbound traffic routed with slow switching | 1.3.6.1.4.1.9.2.2.1.1.33 | Counter | read-only | mandatory |
| locIfFastInPkts OBJECT-TYPE Packet count for Inbound traffic routed with fast switching | 1.3.6.1.4.1.9.2.2.1.1.34 | Counter | read-only | mandatory |
| locIfFastOutPkts OBJECT-TYPE Packet count for Outbound traffic routed with fast switching | 1.3.6.1.4.1.9.2.2.1.1.35 | Counter | read-only | mandatory |
| locIfFastInOctets OBJECT-TYPE Octet count for Inbound traffic routed with fast switching | 1.3.6.1.4.1.9.2.2.1.1.36 | Counter | read-only | mandatory |
| locIfFastOutOctets OBJECT-TYPE Octet count for Outbound traffic routed with fast switching | 1.3.6.1.4.1.9.2.2.1.1.37 | Counter | read-only | mandatory |
| locIfotherInPkts OBJECT-TYPE Other protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.38 | Counter | read-only | mandatory |
| locIfotherOutPkts OBJECT-TYPE Other protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.39 | Counter | read-only | mandatory |
| locIfotherInOctets OBJECT-TYPE Other protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.40 | Counter | read-only | mandatory |
| locIfotherOutOctets OBJECT-TYPE Other protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.41 | Counter | read-only | mandatory |
| locIfipInPkts OBJECT-TYPE ip protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.42 | Counter | read-only | mandatory |
| locIfipOutPkts OBJECT-TYPE ip protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.43 | Counter | read-only | mandatory |
| locIfipInOctets OBJECT-TYPE ip protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.44 | Counter | read-only | mandatory |
| locIfipOutOctets OBJECT-TYPE ip protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.45 | Counter | read-only | mandatory |
| locIfdecnetInPkts OBJECT-TYPE Decnet protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.46 | Counter | read-only | mandatory |
| locIfdecnetOutPkts OBJECT-TYPE Decnet protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.47 | Counter | read-only | mandatory |
| locIfdecnetInOctets OBJECT-TYPE Decnet protocol input byte count | 1.3.6.1.4.1.9.2.2.1.1.48 | Counter | read-only | mandatory |
| locIfdecnetOutOctets OBJECT-TYPE Decnet protocol output byte count | 1.3.6.1.4.1.9.2.2.1.1.49 | Counter | read-only | mandatory |
| locIfxnsInPkts OBJECT-TYPE XNS protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.50 | Counter | read-only | mandatory |
| locIfxnsOutPkts OBJECT-TYPE XNS protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.51 | Counter | read-only | mandatory |
| locIfxnsInOctets OBJECT-TYPE XNS protocol input byte count | 1.3.6.1.4.1.9.2.2.1.1.52 | Counter | read-only | mandatory |
| locIfxnsOutOctets OBJECT-TYPE XNS protocol output byte count | 1.3.6.1.4.1.9.2.2.1.1.53 | Counter | read-only | mandatory |
| locIfclnsInPkts OBJECT-TYPE CLNS protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.54 | Counter | read-only | mandatory |
| locIfclnsOutPkts OBJECT-TYPE CLNS protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.55 | Counter | read-only | mandatory |
| locIfclnsInOctets OBJECT-TYPE CLNS protocol input byte count | 1.3.6.1.4.1.9.2.2.1.1.56 | Counter | read-only | mandatory |
| locIfclnsOutOctets OBJECT-TYPE CLNS protocol output byte count | 1.3.6.1.4.1.9.2.2.1.1.57 | Counter | read-only | mandatory |
| locIfappletalkInPkts OBJECT-TYPE Appletalk protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.58 | Counter | read-only | mandatory |
| locIfappletalkOutPkts OBJECT-TYPE Appletalk protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.59 | Counter | read-only | mandatory |
| locIfappletalkInOctets OBJECT-TYPE Appletalk protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.60 | Counter | read-only | mandatory |
| locIfappletalkOutOctets OBJECT-TYPE Appletalk protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.61 | Counter | read-only | mandatory |
| locIfnovellInPkts OBJECT-TYPE Novell protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.62 | Counter | read-only | mandatory |
| locIfnovellOutPkts OBJECT-TYPE Novell protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.63 | Counter | read-only | mandatory |
| locIfnovellInOctets OBJECT-TYPE Novell protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.64 | Counter | read-only | mandatory |
| locIfnovellOutOctets OBJECT-TYPE Novell protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.65 | Counter | read-only | mandatory |
| locIfapolloInPkts OBJECT-TYPE Apollo protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.66 | Counter | read-only | mandatory |
| locIfapolloOutPkts OBJECT-TYPE Apollo protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.67 | Counter | read-only | mandatory |
| locIfapolloInOctets OBJECT-TYPE Apollo protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.68 | Counter | read-only | mandatory |
| locIfapolloOutOctets OBJECT-TYPE Apollo protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.69 | Counter | read-only | mandatory |
| locIfvinesInPkts OBJECT-TYPE Vines protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.70 | Counter | read-only | mandatory |
| locIfvinesOutPkts OBJECT-TYPE Vines protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.71 | Counter | read-only | mandatory |
| locIfvinesInOctets OBJECT-TYPE Vines protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.72 | Counter | read-only | mandatory |
| locIfvinesOutOctets OBJECT-TYPE Vines protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.73 | Counter | read-only | mandatory |
| locIfbridgedInPkts OBJECT-TYPE Bridged protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.74 | Counter | read-only | mandatory |
| locIfbridgedOutPkts OBJECT-TYPE Bridged protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.75 | Counter | read-only | mandatory |
| locIfbridgedInOctets OBJECT-TYPE Bridged protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.76 | Counter | read-only | mandatory |
| locIfbridgedOutOctets OBJECT-TYPE Bridged protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.77 | Counter | read-only | mandatory |
| locIfsrbInPkts OBJECT-TYPE SRB protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.78 | Counter | read-only | mandatory |
| locIfsrbOutPkts OBJECT-TYPE SRB protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.79 | Counter | read-only | mandatory |
| locIfsrbInOctets OBJECT-TYPE SRB protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.80 | Counter | read-only | mandatory |
| locIfsrbOutOctets OBJECT-TYPE SRB protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.81 | Counter | read-only | mandatory |
| locIfchaosInPkts OBJECT-TYPE Choas protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.82 | Counter | read-only | mandatory |
| locIfchaosOutPkts OBJECT-TYPE Choas protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.83 | Counter | read-only | mandatory |
| locIfchaosInOctets OBJECT-TYPE Choas protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.84 | Counter | read-only | mandatory |
| locIfchaosOutOctets OBJECT-TYPE Choas protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.85 | Counter | read-only | mandatory |
| locIfpupInPkts OBJECT-TYPE PUP protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.86 | Counter | read-only | mandatory |
| locIfpupOutPkts OBJECT-TYPE PUP protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.87 | Counter | read-only | mandatory |
| locIfpupInOctets OBJECT-TYPE PUP protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.88 | Counter | read-only | mandatory |
| locIfpupOutOctets OBJECT-TYPE PUP protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.89 | Counter | read-only | mandatory |
| locIfmopInPkts OBJECT-TYPE MOP protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.90 | Counter | read-only | mandatory |
| locIfmopOutPkts OBJECT-TYPE MOP protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.91 | Counter | read-only | mandatory |
| locIfmopInOctets OBJECT-TYPE MOP protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.92 | Counter | read-only | mandatory |
| locIfmopOutOctets OBJECT-TYPE MOP protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.93 | Counter | read-only | mandatory |
| locIflanmanInPkts OBJECT-TYPE LanMan protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.94 | Counter | read-only | mandatory |
| locIflanmanOutPkts OBJECT-TYPE LanMan protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.95 | Counter | read-only | mandatory |
| locIflanmanInOctets OBJECT-TYPE LanMan protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.96 | Counter | read-only | mandatory |
| locIflanmanOutOctets OBJECT-TYPE LanMan protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.97 | Counter | read-only | mandatory |
| locIfstunInPkts OBJECT-TYPE STUN protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.98 | Counter | read-only | mandatory |
| locIfstunOutPkts OBJECT-TYPE STUN protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.99 | Counter | read-only | mandatory |
| locIfstunInOctets OBJECT-TYPE STUN protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.100 | Counter | read-only | mandatory |
| locIfstunOutOctets OBJECT-TYPE STUN protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.101 | Counter | read-only | mandatory |
| locIfspanInPkts OBJECT-TYPE Spanning tree input protocol packet count | 1.3.6.1.4.1.9.2.2.1.1.102 | Counter | read-only | mandatory |
| locIfspanOutPkts OBJECT-TYPE Spanning tree output protocol packet count | 1.3.6.1.4.1.9.2.2.1.1.103 | Counter | read-only | mandatory |
| locIfspanInOctets OBJECT-TYPE Spanning tree input octet packet count | 1.3.6.1.4.1.9.2.2.1.1.104 | Counter | read-only | mandatory |
| locIfspanOutOctets OBJECT-TYPE Spanning tree output octet packet count | 1.3.6.1.4.1.9.2.2.1.1.105 | Counter | read-only | mandatory |
| locIfarpInPkts OBJECT-TYPE Arp protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.106 | Counter | read-only | mandatory |
| locIfarpOutPkts OBJECT-TYPE Arp protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.107 | Counter | read-only | mandatory |
| locIfarpInOctets OBJECT-TYPE Arp protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.108 | Counter | read-only | mandatory |
| locIfarpOutOctets OBJECT-TYPE Arp protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.109 | Counter | read-only | mandatory |
| locIfprobeInPkts OBJECT-TYPE Probe protocol input packet count | 1.3.6.1.4.1.9.2.2.1.1.110 | Counter | read-only | mandatory |
| locIfprobeOutPkts OBJECT-TYPE Probe protocol output packet count | 1.3.6.1.4.1.9.2.2.1.1.111 | Counter | read-only | mandatory |
| locIfprobeInOctets OBJECT-TYPE Probe protocol input octet count | 1.3.6.1.4.1.9.2.2.1.1.112 | Counter | read-only | mandatory |
| locIfprobeOutOctets OBJECT-TYPE Probe protocol output octet count | 1.3.6.1.4.1.9.2.2.1.1.113 | Counter | read-only | mandatory |
| locIfDribbleInputs OBJECT-TYPE The number of good packets received with the dribble condition present | 1.3.6.1.4.1.9.2.2.1.1.114 | Counter | read-only | mandatory |
| lFSIPTable OBJECT-TYPE A list of card entries for 4T, HSSI, Mx serial or FSIP. | 1.3.6.1.4.1.9.2.2.2 | not-accessible | mandatory | |
| lFSIPEntry OBJECT-TYPE A collection of objects specific to 4T, HSSI, Mx serial or FSIP. | 1.3.6.1.4.1.9.2.2.2.1 | not-accessible | mandatory | |
| locIfFSIPIndex OBJECT-TYPE Interface index of this card corresponding to its ifIndex | 1.3.6.1.4.1.9.2.2.2.1.1 | INTEGER | read-only | mandatory |
| locIfFSIPtype OBJECT-TYPE Is this FSIP line DCE or DTE | 1.3.6.1.4.1.9.2.2.2.1.2 | INTEGER {notAvailable(1), dte(2), dce(3)} | read-only | mandatory |
| locIfFSIPrts OBJECT-TYPE Is the RTS signal up or down | 1.3.6.1.4.1.9.2.2.2.1.3 | INTEGER {notAvailable(1), up(2), down(3)} | read-only | mandatory |
| locIfFSIPcts OBJECT-TYPE Is the CTS signal up or down | 1.3.6.1.4.1.9.2.2.2.1.4 | INTEGER {notAvailable(1), up(2), down(3)} | read-only | mandatory |
| locIfFSIPdtr OBJECT-TYPE Is the DTR signal up or down | 1.3.6.1.4.1.9.2.2.2.1.5 | INTEGER {notAvailable(1), up(2), down(3)} | read-only | mandatory |
| locIfFSIPdcd OBJECT-TYPE Is the DCD signal up or down | 1.3.6.1.4.1.9.2.2.2.1.6 | INTEGER {notAvailable(1), up(2), down(3)} | read-only | mandatory |
| locIfFSIPdsr OBJECT-TYPE Is the DSR signal up or down | 1.3.6.1.4.1.9.2.2.2.1.7 | INTEGER {notAvailable(1), up(2), down(3)} | read-only | mandatory |
| locIfFSIPrxClockrate OBJECT-TYPE Received clock rate | 1.3.6.1.4.1.9.2.2.2.1.8 | INTEGER | read-only | mandatory |
| locIfFSIPrxClockrateHi OBJECT-TYPE Use when received clock rate is greater than 2^32 (gigabits). | 1.3.6.1.4.1.9.2.2.2.1.9 | INTEGER | read-only | mandatory |
| locIfFSIPportType OBJECT-TYPE Cable Type of 4T, HSSI, Mx serial or FSIP | 1.3.6.1.4.1.9.2.2.2.1.10 | INTEGER {noCable(1), rs232(2), rs422(3), rs423(4), v35(5), x21(6), rs449(7), rs530(8), hssi(9)} | read-only | mandatory |