All MIBs › JNX-PPPOE-MIB › jnxPPPoEIfMtu
jnxPPPoEIfMtu
Module: JNX-PPPOE-MIB
OID (symbolic): JNX-PPPOE-MIB::jnxPPPoEIfMtu
OID (numeric): 1.3.6.1.4.1.2636.3.67.1.1.1.2.1.11
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: The initial Maximum Transmit Unit (MTU) that the PPPoEmajor interface entity will advertise to the remote entity.
If the value of this variable is 1 then the local PPPoEentity will use an MTU value determined by its underlying media interface.
If the value of this variable is 2 then the local PPPoEentity will use a value determined by the PPPoEMax-Mtu-Tag transmitted from the client in the PADR packet. If no Max-Mtu-Tag is received, the value defaults to a maximum of 1494.
The operational MTU is limited by the MTU of the underlying media interface minus the PPPoEframe overhead.
What is jnxPPPoEIfMtu?
This OID sets the initial Maximum Transmit Unit the PPPoE major interface advertises to the remote peer, defaulting to 1494 bytes; a value of 1 defers to the underlying media's MTU and a value of 2 defers to the client's Max-Mtu-Tag (capped at 1494 if none is sent). A network engineer lowers this from the 1494 default only when the underlying access link has less headroom for PPPoE framing overhead.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2636.3.67.1.1.1.2.1.11 snmpwalk -v2c -c public <target> JNX-PPPOE-MIB::jnxPPPoEIfMtu
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2636.3.67.1.1.1.2.1.11.1 snmpget -v2c -c public <target> JNX-PPPOE-MIB::jnxPPPoEIfMtu.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 |
| 1.3.6.1.4.1.2636 | juniperMIB | JUNIPER-SMI |
| 1.3.6.1.4.1.2636.3 | jnxMibs | JUNIPER-SMI |
| 1.3.6.1.4.1.2636.3.67 | jnxPppoeMibRoot | JUNIPER-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2636.3.67.1 | jnxPPPoEMIB | JNX-PPPOE-MIB |
| 1.3.6.1.4.1.2636.3.67.1.1 | jnxPPPoEObjects | JNX-PPPOE-MIB |
| 1.3.6.1.4.1.2636.3.67.1.1.1 | jnxPPPoEIfLayer | JNX-PPPOE-MIB |
| 1.3.6.1.4.1.2636.3.67.1.1.1.2 | jnxPPPoEIfTable | JNX-PPPOE-MIB |
| 1.3.6.1.4.1.2636.3.67.1.1.1.2.1 | jnxPPPoEIfEntry | JNX-PPPOE-MIB |
| 1.3.6.1.4.1.2636.3.67.1.1.1.2.1.11 | jnxPPPoEIfMtu | JNX-PPPOE-MIB |