Juniper-IP-MIB :: juniIpIfTcpMss

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

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juniIpIfTcpMss

Module: Juniper-IP-MIB

OID (symbolic): Juniper-IP-MIB::juniIpIfTcpMss

OID (numeric): 1.3.6.1.4.1.4874.2.2.12.1.1.2.1.31

Node type: OBJECT-TYPE

Type: Integer32

Access: read-create

Description: Configures TCP MSS value for an IP interface. When configured, MSS value of TCP SYN packets received or transmitted on the interface will be compared with the configured value and lowest of the two will replace the value in the packet.

What is juniIpIfTcpMss?

Configures a TCP Maximum Segment Size value (0, or 160-10240) to clamp on this interface; when set, the router compares this value against each TCP SYN packet's own MSS and rewrites the packet to use whichever is smaller, useful for avoiding fragmentation over tunnels with reduced MTU.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.4874juniperUniJuniper-UNI-SMI
1.3.6.1.4.1.4874.2juniperUniMibsJuniper-UNI-SMI
1.3.6.1.4.1.4874.2.2juniMibsJuniper-MIBs
Numeric OIDNameModule
1.3.6.1.4.1.4874.2.2.12juniIpMIBJuniper-IP-MIB
1.3.6.1.4.1.4874.2.2.12.1juniIpObjectsJuniper-IP-MIB
1.3.6.1.4.1.4874.2.2.12.1.1juniIpInterfaceJuniper-IP-MIB
1.3.6.1.4.1.4874.2.2.12.1.1.2juniIpIfTableJuniper-IP-MIB
1.3.6.1.4.1.4874.2.2.12.1.1.2.1juniIpIfEntryJuniper-IP-MIB
1.3.6.1.4.1.4874.2.2.12.1.1.2.1.31juniIpIfTcpMssJuniper-IP-MIB