SBE-MIB :: syMtuMru

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SBE-MIB › syMtuMru

syMtuMru

Module: SBE-MIB

OID (symbolic): SBE-MIB::syMtuMru

OID (numeric): 1.3.6.1.4.1.1055.2.1.2

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Default value on nX: 1500 On nX: both ram and flash, field trial 2

This field specifies the maximum size frame that the nX product will send or receive, either on the LAN or on a WAN port. The maximum for Ethernet is 1500, 1492 for 802.3 with SNAP. This is used by the nX product to detect error frames (i.e. too long) and during PPP negotiation. The actual transfer size is negotiated, by destination, when the connection is first made.

What is syMtuMru?

Reports the maximum frame size (default 1500 bytes, 1492 for 802.3/SNAP) the router will send or accept on its LAN or WAN ports, used both to flag oversized error frames and as the starting point for per-destination PPP MTU/MRU negotiation.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1055.2.1.2
snmpwalk -v2c -c public <target> SBE-MIB::syMtuMru

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1055.2.1.2.1
snmpget -v2c -c public <target> SBE-MIB::syMtuMru.1

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OID Breakdown

Upper-level ancestors (7 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.1055sbeIPF-MIB
Numeric OIDNameModule
1.3.6.1.4.1.1055.2routerSBE-MIB
1.3.6.1.4.1.1055.2.1routsysSBE-MIB
1.3.6.1.4.1.1055.2.1.2syMtuMruSBE-MIB