All MIBs › CIENA-CES-IP-INTERFACE-MIB › cienaCesIpDataInterfaceIfMtu
cienaCesIpDataInterfaceIfMtu
Module: CIENA-CES-IP-INTERFACE-MIB
OID (symbolic): CIENA-CES-IP-INTERFACE-MIB::cienaCesIpDataInterfaceIfMtu
OID (numeric): 1.3.6.1.4.1.1271.2.1.8.1.1.3.1.9
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: The size of the largest packet which can be sent/received on the interface, specified in octets. For interfaces that are used for transmitting network datagrams, this is the size of the largest network datagram that can be sent on the interface.
What is cienaCesIpDataInterfaceIfMtu?
This reports the maximum transmission unit, the largest packet in octets this data interface can send or receive without fragmentation. An admin troubleshooting intermittent large-packet failures, like failed large file transfers or path-MTU-discovery black holes, needs this value to confirm the interface's configured MTU matches what's expected end-to-end, especially across MPLS or tunnel encapsulations that add overhead. A value of 1500 is the standard Ethernet MTU, whereas a value like 9216 would indicate jumbo frames are enabled on that interface.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1271.2.1.8.1.1.3.1.9 snmpwalk -v2c -c public <target> CIENA-CES-IP-INTERFACE-MIB::cienaCesIpDataInterfaceIfMtu
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.1271.2.1.8.1.1.3.1.9.1 snmpget -v2c -c public <target> CIENA-CES-IP-INTERFACE-MIB::cienaCesIpDataInterfaceIfMtu.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.1271 | ciena | CIENA-SMI |
| 1.3.6.1.4.1.1271.2 | cienaCes | CIENA-SMI |
| 1.3.6.1.4.1.1271.2.1 | cienaCesConfig | CIENA-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.1271.2.1.8 | cienaCesIpInterfaceMIB | CIENA-CES-IP-INTERFACE-MIB |
| 1.3.6.1.4.1.1271.2.1.8.1 | cienaCesIpInterfaceMIBObjects | CIENA-CES-IP-INTERFACE-MIB |
| 1.3.6.1.4.1.1271.2.1.8.1.1 | cienaCesIpInterface | CIENA-CES-IP-INTERFACE-MIB |
| 1.3.6.1.4.1.1271.2.1.8.1.1.3 | cienaCesIpDataInterfaceTable | CIENA-CES-IP-INTERFACE-MIB |
| 1.3.6.1.4.1.1271.2.1.8.1.1.3.1 | cienaCesIpDataInterfaceEntry | CIENA-CES-IP-INTERFACE-MIB |
| 1.3.6.1.4.1.1271.2.1.8.1.1.3.1.9 | cienaCesIpDataInterfaceIfMtu | CIENA-CES-IP-INTERFACE-MIB |