NAT

MIB Reference — IPNetwork Monitor

All MIBsNAT

Category: IP Addressing

Description:

Manages network address translation mapping tables and session tracking objects.

Imported Objects

From RFC1155-SMI

Counter

From SNMPv2-SMI

IpAddress
OBJECT-TYPE
TimeTicks
enterprises

What Is NAT?

NAT is intended to model Network Address Translation configuration and session state on a NAT-capable router or firewall, though no module description text or sample objects were available in the source excerpt for this batch to confirm its exact object structure or origin. Based on its stated short description, it exposes address-translation mapping tables and session-tracking objects — the bindings between private and public IP addresses/ports and their associated active sessions. NAT MIBs of this kind are used to monitor the software/control-plane status of address translation — for example, the number of active NAT bindings/sessions and translation-table utilization — which helps detect NAT pool exhaustion or session-table overflow rather than physical sensor conditions. Such MIBs typically build on or coexist with standard IP/interface addressing conventions for the underlying interfaces performing translation. It would be deployed on routers, firewalls, or NAT gateways handling address translation for private networks accessing public IP space. Engineers can download the NAT file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in NAT. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

What Can Be Monitored

  • active NAT bindings
  • translation session count
  • address/port mapping table
  • NAT pool utilization

Supported Devices

  • vendor-neutral, standards-based NAT MIB style, not tied to a specific manufacturer — applies to NAT-capable routers/firewalls

Monitoring Examples

No concrete object names were available in the provided sample_objects for this module, so specifics cannot be confirmed; consistent with its short description, a typical scenario would involve polling a NAT binding/session table to track active translation entries, where a rapidly climbing session count approaching the configured pool or port-range limit would indicate translation exhaustion likely to cause new outbound connections to fail.

OIDs
OID symbolicOID numericTypeAccessDescription
nat1.3.6.1.4.1.86
products1.3.6.1.4.1.86.1
natmib1.3.6.1.4.1.86.2
configuration1.3.6.1.4.1.86.2.1
OCT cfFirmware1.3.6.1.4.1.86.2.1.1OCTET STRINGread-only
cfCmstrTable1.3.6.1.4.1.86.2.1.2read-only
cfCmstrEntry1.3.6.1.4.1.86.2.1.2.1read-only
OCT cfCmstrReadPublic1.3.6.1.4.1.86.2.1.2.1.1OCTET STRINGread-only
OCT cfCmstrReadEnterprise1.3.6.1.4.1.86.2.1.2.1.2OCTET STRINGread-only
OCT cfCmstrReadTrap1.3.6.1.4.1.86.2.1.2.1.3OCTET STRINGread-only
OCT cfCmstrReadWrite1.3.6.1.4.1.86.2.1.2.1.4OCTET STRINGread-only
INT pysmiFakeCol9491.3.6.1.4.1.86.2.1.2.1.4294967295INTEGERnot-accessible
cfCmstrAliasTable1.3.6.1.4.1.86.2.1.3read-write
cfCmstrAliasEntry1.3.6.1.4.1.86.2.1.3.1read-write
OCT cfCmstrAliasReadPublic1.3.6.1.4.1.86.2.1.3.1.1OCTET STRINGread-write
OCT cfCmstrAliasReadEnterprise1.3.6.1.4.1.86.2.1.3.1.2OCTET STRINGread-write
OCT cfCmstrAliasReadTrap1.3.6.1.4.1.86.2.1.3.1.3OCTET STRINGread-write
OCT cfCmstrAliasReadWrite1.3.6.1.4.1.86.2.1.3.1.4OCTET STRINGread-write
INT pysmiFakeCol9501.3.6.1.4.1.86.2.1.3.1.4294967295INTEGERnot-accessible
cfAcchostTable1.3.6.1.4.1.86.2.1.4read-only
cfAcchostEntry1.3.6.1.4.1.86.2.1.4.1read-only
IP cfAcchostHostIP1.3.6.1.4.1.86.2.1.4.1.1IpAddressread-only
INT cfAcchostLevel1.3.6.1.4.1.86.2.1.4.1.2INTEGERread-only
INT pysmiFakeCol9511.3.6.1.4.1.86.2.1.4.1.4294967295INTEGERnot-accessible
INT cfDenyReadPublic1.3.6.1.4.1.86.2.1.5INTEGERread-write
IP cfDevIPAddr1.3.6.1.4.1.86.2.1.6IpAddressread-write
IP cfSubnetMask1.3.6.1.4.1.86.2.1.7IpAddressread-write
cfAcchostCfgTable1.3.6.1.4.1.86.2.1.8read-write
cfAcchostCfgEntry1.3.6.1.4.1.86.2.1.8.1read-write
INT cfAcchostCfgAcclvl1.3.6.1.4.1.86.2.1.8.1.1INTEGERread-write
IP pysmiFakeCol9521.3.6.1.4.1.86.2.1.8.1.4294967295IpAddressnot-accessible
INT cfParmsSave1.3.6.1.4.1.86.2.1.9INTEGERread-write
OCT cfPassword1.3.6.1.4.1.86.2.1.10OCTET STRINGwrite-only
IP cfIPAddr21.3.6.1.4.1.86.2.1.11IpAddressread-write
IP cfSubnetMask21.3.6.1.4.1.86.2.1.12IpAddressread-write
natinf1.3.6.1.4.1.86.2.2
statsTable1.3.6.1.4.1.86.2.2.1read-write
statsEntry1.3.6.1.4.1.86.2.2.1.1read-write
INT statsReset1.3.6.1.4.1.86.2.2.1.1.1INTEGERread-write
TIK statsResetTime1.3.6.1.4.1.86.2.2.1.1.2TimeTicksread-only
CTR statsRcvpkts1.3.6.1.4.1.86.2.2.1.1.3Counterread-only
CTR statsFwdpkts1.3.6.1.4.1.86.2.2.1.1.4Counterread-only
CTR statsBufOvflows1.3.6.1.4.1.86.2.2.1.1.5Counterread-only
CTR statsCrcs1.3.6.1.4.1.86.2.2.1.1.6Counterread-only
CTR statsAlgns1.3.6.1.4.1.86.2.2.1.1.7Counterread-only
CTR statsCntlOvflows1.3.6.1.4.1.86.2.2.1.1.8Counterread-only
CTR statsXmtColls1.3.6.1.4.1.86.2.2.1.1.9Counterread-only
CTR statsBlkDiscards1.3.6.1.4.1.86.2.2.1.1.10Counterread-only
CTR statsPassDiscards1.3.6.1.4.1.86.2.2.1.1.11Counterread-only
CTR statsFwdMultiPkts1.3.6.1.4.1.86.2.2.1.1.12Counterread-only
CTR statsKbytes1.3.6.1.4.1.86.2.2.1.1.13Counterread-only
CTR statsBcastPkts1.3.6.1.4.1.86.2.2.1.1.14Counterread-only
CTR statsMcastPkts1.3.6.1.4.1.86.2.2.1.1.15Counterread-only
CTR statsSize64_127Pkts1.3.6.1.4.1.86.2.2.1.1.16Counterread-only
CTR statsSize128_255Pkts1.3.6.1.4.1.86.2.2.1.1.17Counterread-only
CTR statsSize256_511Pkts1.3.6.1.4.1.86.2.2.1.1.18Counterread-only
CTR statsSize512_1023Pkts1.3.6.1.4.1.86.2.2.1.1.19Counterread-only
CTR statsSize1024_1518Pkts1.3.6.1.4.1.86.2.2.1.1.20Counterread-only
CTR statsShortPkts1.3.6.1.4.1.86.2.2.1.1.21Counterread-only
CTR statsOvsizePkts1.3.6.1.4.1.86.2.2.1.1.22Counterread-only
INT pysmiFakeCol9531.3.6.1.4.1.86.2.2.1.1.4294967295INTEGERnot-accessible
natopr1.3.6.1.4.1.86.2.3
INT opSysReset1.3.6.1.4.1.86.2.3.1INTEGERread-write
INT opNoStatColl1.3.6.1.4.1.86.2.3.2INTEGERread-write
INT opTrapInact1.3.6.1.4.1.86.2.3.3INTEGERread-write
natbrg1.3.6.1.4.1.86.2.4
lanTable1.3.6.1.4.1.86.2.4.1read-only
lanEntry1.3.6.1.4.1.86.2.4.1.1read-only
INT lanIfIndex1.3.6.1.4.1.86.2.4.1.1.1INTEGERread-only
OCT lanPhyAddr1.3.6.1.4.1.86.2.4.1.1.2OCTET STRINGread-only
blanTable1.3.6.1.4.1.86.2.4.2read-write
blanEntry1.3.6.1.4.1.86.2.4.2.1read-write
INT blanIfIndex1.3.6.1.4.1.86.2.4.2.1.1INTEGERread-only
INT blanOffset1.3.6.1.4.1.86.2.4.2.1.2INTEGERread-only
INT blanLength1.3.6.1.4.1.86.2.4.2.1.3INTEGERread-write
OCT blanPtrn1.3.6.1.4.1.86.2.4.2.1.4OCTET STRINGread-only
planTable1.3.6.1.4.1.86.2.4.3read-write
planEntry1.3.6.1.4.1.86.2.4.3.1read-write
INT planIfIndex1.3.6.1.4.1.86.2.4.3.1.1INTEGERread-only
INT planOffset1.3.6.1.4.1.86.2.4.3.1.2INTEGERread-only
INT planLength1.3.6.1.4.1.86.2.4.3.1.3INTEGERread-write
OCT planPtrn1.3.6.1.4.1.86.2.4.3.1.4OCTET STRINGread-only
INT lanTblFlush1.3.6.1.4.1.86.2.4.4INTEGERread-write
INT brgState1.3.6.1.4.1.86.2.4.5INTEGERread-only
natmtr1.3.6.1.4.1.86.2.5
etypeInfo1.3.6.1.4.1.86.2.5.1
CTR etypeTypes1.3.6.1.4.1.86.2.5.1.1Counterread-only
etypeTable1.3.6.1.4.1.86.2.5.1.2read-only
etypeTblEntry1.3.6.1.4.1.86.2.5.1.2.1read-only
INT etypeEtype1.3.6.1.4.1.86.2.5.1.2.1.1INTEGERread-only
CTR etypePkts1.3.6.1.4.1.86.2.5.1.2.1.2Counterread-only
INT pysmiFakeCol9541.3.6.1.4.1.86.2.5.1.2.1.4294967295INTEGERnot-accessible
CTR etypeOtherTypes1.3.6.1.4.1.86.2.5.1.3Counterread-only
peakInfo1.3.6.1.4.1.86.2.5.2
INT peakReset1.3.6.1.4.1.86.2.5.2.1INTEGERread-write
TIK peakResetTime1.3.6.1.4.1.86.2.5.2.2TimeTicksread-only
INT peakSmplIntv1.3.6.1.4.1.86.2.5.2.3INTEGERread-write
peakData1.3.6.1.4.1.86.2.5.2.4
peakFrameInfo1.3.6.1.4.1.86.2.5.2.4.1
CTR peakFramePkts1.3.6.1.4.1.86.2.5.2.4.1.1Counterread-only
TIK peakFrameTime1.3.6.1.4.1.86.2.5.2.4.1.2TimeTicksread-only
CTR peakFrameErrors1.3.6.1.4.1.86.2.5.2.4.1.3Counterread-only
peakKbyteInfo1.3.6.1.4.1.86.2.5.2.4.2
CTR peakKbytes1.3.6.1.4.1.86.2.5.2.4.2.1Counterread-only
TIK peakKbyteTime1.3.6.1.4.1.86.2.5.2.4.2.2TimeTicksread-only
CTR peakKbyteTotalPkts1.3.6.1.4.1.86.2.5.2.4.2.3Counterread-only
CTR peakKbyteErrors1.3.6.1.4.1.86.2.5.2.4.2.4Counterread-only
peakBcastInfo1.3.6.1.4.1.86.2.5.2.4.3
CTR peakBcastPkts1.3.6.1.4.1.86.2.5.2.4.3.1Counterread-only
TIK peakBcastTime1.3.6.1.4.1.86.2.5.2.4.3.2TimeTicksread-only
CTR peakBcastTotalPkts1.3.6.1.4.1.86.2.5.2.4.3.3Counterread-only
CTR peakBcastErrors1.3.6.1.4.1.86.2.5.2.4.3.4Counterread-only
peakMcastInfo1.3.6.1.4.1.86.2.5.2.4.4
CTR peakMcastPkts1.3.6.1.4.1.86.2.5.2.4.4.1Counterread-only
TIK peakMcastTime1.3.6.1.4.1.86.2.5.2.4.4.2TimeTicksread-only
CTR peakMcastTotalPkts1.3.6.1.4.1.86.2.5.2.4.4.3Counterread-only
CTR peakMcastErrors1.3.6.1.4.1.86.2.5.2.4.4.4Counterread-only
peakErrInfo1.3.6.1.4.1.86.2.5.2.4.5
CTR peakErrErrors1.3.6.1.4.1.86.2.5.2.4.5.1Counterread-only
TIK peakErrTime1.3.6.1.4.1.86.2.5.2.4.5.2TimeTicksread-only
CTR peakErrTotalPkts1.3.6.1.4.1.86.2.5.2.4.5.3Counterread-only
CTR peakErrCrcs1.3.6.1.4.1.86.2.5.2.4.5.4Counterread-only
CTR peakErrAlgns1.3.6.1.4.1.86.2.5.2.4.5.5Counterread-only
CTR peakErrXmtColls1.3.6.1.4.1.86.2.5.2.4.5.6Counterread-only
CTR peakErrShorts1.3.6.1.4.1.86.2.5.2.4.5.7Counterread-only
CTR peakErrOvsizes1.3.6.1.4.1.86.2.5.2.4.5.8Counterread-only
peakUtilInfo1.3.6.1.4.1.86.2.5.2.4.6
INT peakUtilVal1.3.6.1.4.1.86.2.5.2.4.6.1INTEGERread-only
TIK peakUtilTime1.3.6.1.4.1.86.2.5.2.4.6.2TimeTicksread-only
CTR peakUtilTotalPkts1.3.6.1.4.1.86.2.5.2.4.6.3Counterread-only
CTR peakUtilErrors1.3.6.1.4.1.86.2.5.2.4.6.4Counterread-only
top10Info1.3.6.1.4.1.86.2.5.3
INT top10Enable1.3.6.1.4.1.86.2.5.3.1INTEGERread-write
INT top10ThresholdVal1.3.6.1.4.1.86.2.5.3.2INTEGERread-write
INT top10SmplIntv1.3.6.1.4.1.86.2.5.3.3INTEGERread-write
INT top10SeqNum1.3.6.1.4.1.86.2.5.3.4INTEGERread-only
TIK top10SmplTime1.3.6.1.4.1.86.2.5.3.5TimeTicksread-only
CTR top10TotalEntries1.3.6.1.4.1.86.2.5.3.6Counterread-only
INT top10Ovflow1.3.6.1.4.1.86.2.5.3.7INTEGERread-only
CTR top10TotalPkts1.3.6.1.4.1.86.2.5.3.8Counterread-only
CTR top10MatchedPkts1.3.6.1.4.1.86.2.5.3.9Counterread-only
CTR top10ValidEntries1.3.6.1.4.1.86.2.5.3.10Counterread-only
top10Data1.3.6.1.4.1.86.2.5.3.11
OCT top10StrID1.3.6.1.4.1.86.2.5.3.11.1OCTET STRINGread-only
CTR top10Pkts1.3.6.1.4.1.86.2.5.3.11.2Counterread-only
natalert1.3.6.1.4.1.86.2.6
alertParms1.3.6.1.4.1.86.2.6.1
CTR alertTypes1.3.6.1.4.1.86.2.6.1.1Counterread-only
INT alertSmplIntv1.3.6.1.4.1.86.2.6.1.2INTEGERread-write
INT alertReset1.3.6.1.4.1.86.2.6.1.3INTEGERread-write
TIK alertResetTime1.3.6.1.4.1.86.2.6.1.4TimeTicksread-only
alerts1.3.6.1.4.1.86.2.6.2
alertFrameInfo1.3.6.1.4.1.86.2.6.2.1
INT alertFrameEnable1.3.6.1.4.1.86.2.6.2.1.1INTEGERread-write
INT alertFrameThreshold1.3.6.1.4.1.86.2.6.2.1.2INTEGERread-write
CTR alertFramePkts1.3.6.1.4.1.86.2.6.2.1.3Counterread-only
TIK alertFrameTime1.3.6.1.4.1.86.2.6.2.1.4TimeTicksread-only
CTR alertFrameTotalPkts1.3.6.1.4.1.86.2.6.2.1.5Counterread-only
CTR alertFrameErrors1.3.6.1.4.1.86.2.6.2.1.6Counterread-only
alertBcastInfo1.3.6.1.4.1.86.2.6.2.2
INT alertBcastEnable1.3.6.1.4.1.86.2.6.2.2.1INTEGERread-write
INT alertBcastThreshold1.3.6.1.4.1.86.2.6.2.2.2INTEGERread-write
CTR alertBcastPkts1.3.6.1.4.1.86.2.6.2.2.3Counterread-only
TIK alertBcastTime1.3.6.1.4.1.86.2.6.2.2.4TimeTicksread-only
CTR alertBcastTotalPkts1.3.6.1.4.1.86.2.6.2.2.5Counterread-only
CTR alertBcastErrors1.3.6.1.4.1.86.2.6.2.2.6Counterread-only
alertMcastInfo1.3.6.1.4.1.86.2.6.2.3
INT alertMcastEnable1.3.6.1.4.1.86.2.6.2.3.1INTEGERread-write
INT alertMcastThreshold1.3.6.1.4.1.86.2.6.2.3.2INTEGERread-write
CTR alertMcastPkts1.3.6.1.4.1.86.2.6.2.3.3Counterread-only
TIK alertMcastTime1.3.6.1.4.1.86.2.6.2.3.4TimeTicksread-only
CTR alertMcastTotalPkts1.3.6.1.4.1.86.2.6.2.3.5Counterread-only
CTR alertMcastErrors1.3.6.1.4.1.86.2.6.2.3.6Counterread-only
alertErrInfo1.3.6.1.4.1.86.2.6.2.4
INT alertErrEnable1.3.6.1.4.1.86.2.6.2.4.1INTEGERread-write
INT alertErrThreshold1.3.6.1.4.1.86.2.6.2.4.2INTEGERread-write
CTR alertErrErrors1.3.6.1.4.1.86.2.6.2.4.3Counterread-only
TIK alertErrTime1.3.6.1.4.1.86.2.6.2.4.4TimeTicksread-only
CTR alertErrTotalPkts1.3.6.1.4.1.86.2.6.2.4.5Counterread-only
CTR alertErrTotalErrors1.3.6.1.4.1.86.2.6.2.4.6Counterread-only
CTR alertErrCrcs1.3.6.1.4.1.86.2.6.2.4.7Counterread-only
CTR alertErrAlgns1.3.6.1.4.1.86.2.6.2.4.8Counterread-only
CTR alertErrXmtColls1.3.6.1.4.1.86.2.6.2.4.9Counterread-only
CTR alertErrShorts1.3.6.1.4.1.86.2.6.2.4.10Counterread-only
CTR alertErrOvsizes1.3.6.1.4.1.86.2.6.2.4.11Counterread-only
alertUtilInfo1.3.6.1.4.1.86.2.6.2.5
INT alertUtilEnable1.3.6.1.4.1.86.2.6.2.5.1INTEGERread-write
INT alertUtilThreshold1.3.6.1.4.1.86.2.6.2.5.2INTEGERread-write
INT alertUtilValue1.3.6.1.4.1.86.2.6.2.5.3INTEGERread-only
TIK alertUtilTime1.3.6.1.4.1.86.2.6.2.5.4TimeTicksread-only
CTR alertUtilTotalPkts1.3.6.1.4.1.86.2.6.2.5.5Counterread-only
CTR alertUtilErrors1.3.6.1.4.1.86.2.6.2.5.6Counterread-only
rmeter1.3.6.1.4.1.86.2.7
rconfiguration1.3.6.1.4.1.86.2.7.1
INT prTrapchannel1.3.6.1.4.1.86.2.7.1.1INTEGERread-write
INT auxTrapchannel1.3.6.1.4.1.86.2.7.1.2INTEGERread-write
natrtr1.3.6.1.4.1.86.2.8
rtrcfg1.3.6.1.4.1.86.2.8.1
INT rtrcfRtupdintv1.3.6.1.4.1.86.2.8.1.1INTEGERread-write
INT rtrcfRtdownintv1.3.6.1.4.1.86.2.8.1.2INTEGERread-write
INT rtrcfRtholdintv1.3.6.1.4.1.86.2.8.1.3INTEGERread-write
INT rtrcfRtdropintv1.3.6.1.4.1.86.2.8.1.4INTEGERread-write
rtrcfIfTable1.3.6.1.4.1.86.2.8.1.5read-only
rtrcfIfEntry1.3.6.1.4.1.86.2.8.1.5.1read-only
INT rtrcfProxyarp1.3.6.1.4.1.86.2.8.1.5.1.1INTEGERread-write
INT rtrcfIcmp1.3.6.1.4.1.86.2.8.1.5.1.2INTEGERread-write
IP rtrcfHelperAddr1.3.6.1.4.1.86.2.8.1.5.1.3IpAddressread-write
IP rtrcfBcastAddr1.3.6.1.4.1.86.2.8.1.5.1.4IpAddressread-write
INT pysmiFakeCol9551.3.6.1.4.1.86.2.8.1.5.1.4294967295INTEGERnot-accessible
rtrcfStatRtTbl1.3.6.1.4.1.86.2.8.1.6read-only
rtrcfStatRtEntry1.3.6.1.4.1.86.2.8.1.6.1read-only
IP rtrcfStatRtRoute1.3.6.1.4.1.86.2.8.1.6.1.1IpAddressread-only
IP rtrcfStatRtRouter1.3.6.1.4.1.86.2.8.1.6.1.2IpAddressread-only
INT rtrcfStatRtMetric1.3.6.1.4.1.86.2.8.1.6.1.3INTEGERread-write
rtrrtInFltrTbl1.3.6.1.4.1.86.2.8.3read-only
rtrrtInFltrEntry1.3.6.1.4.1.86.2.8.3.1read-only
INT rtrrtInFltrInf1.3.6.1.4.1.86.2.8.3.1.1INTEGERread-only
IP rtrrtInFltrAddr1.3.6.1.4.1.86.2.8.3.1.2IpAddressread-only
IP rtrrtInFltrMask1.3.6.1.4.1.86.2.8.3.1.3IpAddressread-only
INT rtrrtInFltrFlag1.3.6.1.4.1.86.2.8.3.1.4INTEGERread-write
rtrrtOutFltrTbl1.3.6.1.4.1.86.2.8.4read-only
rtrrtOutFltrEntry1.3.6.1.4.1.86.2.8.4.1read-only
INT rtrrtOutFltrInf1.3.6.1.4.1.86.2.8.4.1.1INTEGERread-only
IP rtrrtOutFltrAddr1.3.6.1.4.1.86.2.8.4.1.2IpAddressread-only
IP rtrrtOutFltrMask1.3.6.1.4.1.86.2.8.4.1.3IpAddressread-only
INT rtrrtOutFltrFlag1.3.6.1.4.1.86.2.8.4.1.4INTEGERread-write
dialup1.3.6.1.4.1.86.2.9
OCT phonenum1.3.6.1.4.1.86.2.9.1OCTET STRINGread-write
OCT modemInitstr1.3.6.1.4.1.86.2.9.2OCTET STRINGread-write
OCT modemDialprefix1.3.6.1.4.1.86.2.9.3OCTET STRINGread-write
OCT modemDialsuffix1.3.6.1.4.1.86.2.9.4OCTET STRINGread-write
OCT modemHangupprefix1.3.6.1.4.1.86.2.9.5OCTET STRINGread-write
OCT modemHangupsuffix1.3.6.1.4.1.86.2.9.6OCTET STRINGread-write
trapinfo1.3.6.1.4.1.86.8
IP trapSrcAddr1.3.6.1.4.1.86.8.1IpAddressread-only
OCT trapErrMsg1.3.6.1.4.1.86.8.2OCTET STRINGread-only

RFC description

Network Address Translation device configuration including interfaces, operations, and metering.

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