All MIBs › CISCO-CDP-MIB › cdpCacheMTU
cdpCacheMTU
Module: CISCO-CDP-MIB
OID (symbolic): CISCO-CDP-MIB::cdpCacheMTU
OID (numeric): 1.3.6.1.4.1.9.9.23.1.2.1.1.16
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: Indicates the size of the largest datagram that can be sent/received by remote device, as reported in the most recent CDP message. This object is not instantiated if no MTU field (TLV) was reported in the most recently received CDP message.
What is cdpCacheMTU?
Indicates the maximum transmission unit (largest datagram size) supported by the neighboring device, as reported in its latest CDP advertisement; unavailable if no MTU TLV was received.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.23.1.2.1.1.16 snmpwalk -v2c -c public <target> CISCO-CDP-MIB::cdpCacheMTU
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.23.1.2.1.1.16.1 snmpget -v2c -c public <target> CISCO-CDP-MIB::cdpCacheMTU.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cdpCacheMTU.1
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OID Breakdown
Upper-level ancestors (8 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.9 | ciscoMgmt | CISCO-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.9.23 | ciscoCdpMIB | CISCO-CDP-MIB |
| 1.3.6.1.4.1.9.9.23.1 | ciscoCdpMIBObjects | CISCO-CDP-MIB |
| 1.3.6.1.4.1.9.9.23.1.2 | cdpCache | CISCO-CDP-MIB |
| 1.3.6.1.4.1.9.9.23.1.2.1 | cdpCacheTable | CISCO-CDP-MIB |
| 1.3.6.1.4.1.9.9.23.1.2.1.1 | cdpCacheEntry | CISCO-CDP-MIB |
| 1.3.6.1.4.1.9.9.23.1.2.1.1.16 | cdpCacheMTU | CISCO-CDP-MIB |