---
oid: "1.3.6.1.4.1.9.9.23.1.1.2.1"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 9 ciscoMgmt(9) ciscoCdpMIB(23) ciscoCdpMIBObjects(1) cdpInterface(1) cdpInterfaceExtTable(2) cdpInterfaceExtEntry(1)}"
description: "cdpInterfaceExtEntry OBJECT-TYPE "
last-modified: "2023-07-19"
tags: [oid-repository]
---

## OID: `1.3.6.1.4.1.9.9.23.1.1.2.1` (last updated: 2023-07-19)

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 9 ciscoMgmt(9) ciscoCdpMIB(23) ciscoCdpMIBObjects(1) cdpInterface(1) cdpInterfaceExtTable(2) cdpInterfaceExtEntry(1)}
```

### Description

```asn1
cdpInterfaceExtEntry OBJECT-TYPE 
SYNTAX CdpInterfaceExtEntry 
MAX-ACCESS not-accessible 
STATUS current 
DESCRIPTION 
"An entry in the cdpInterfaceExtTable contains the values 
configured for Extented Trust TLV and COS (Class of Service) 
for Untrusted Ports TLV on an interface which supports the 
sending of these TLVs." 
INDEX { ifIndex }

**Classification**: MIB object for network management

### Child OIDs

- `1.3.6.1.4.1.9.9.23.1.1.2.1.1`: `cdpInterfaceExtendedTrust(1)`
- `1.3.6.1.4.1.9.9.23.1.1.2.1.2`: `cdpInterfaceCosForUntrustedPort(2)`

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**Note to implementers:**: The OID repository is constantly updated but does not necessarily store the latest (or most accurate) version of this formal description. For an implementation, it is recommended to search the web for a more recent description. If this is the case, please update the above description.