[New Feature - 5.7.0] MTU 9600

Products ePMP
1

Platforms: AX platform
Versions: 5.7.0 and above

The new firmware release introduces support for an increased Ethernet MTU. An increased MTU value of up to 9600 bytes is now supported across ePTP, WLR, and TDD driver modes.

Device Configuration
To configure MTU 9600 on the device, set the value of 9600 in the dedicated field within the Ethernet port settings of Network configuration. After applying the changes, reboot the device for the new MTU setting to take effect.

GUI >> Configuration >> Network >> Ethernet port

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Configure in CLI:

config set networkBridgeMTU “9600”
config commit

Reboot the device to take effect.

cnMaestro Template

{
    "device_props": {
    "networkBridgeMTU": "9600"
    }
}

SNMP MIB Object

networkBridgeMTU OBJECT-TYPE
        SYNTAX Integer32 (576..9608)
        MAX-ACCESS read-write
        STATUS current
        DESCRIPTION
            "Device Bridge MTU size
            For 802.11n devices maximum value is 1700 and default is 1500"
        ::= { networkBridge 6 }

Get
$ snmpget -v2c -c public123 169.254.1.1 .1.3.6.1.4.1.17713.21.3.4.7.6.0
Set
$ snmpset -v2c -c private123 169.254.1.1 .1.3.6.1.4.1.17713.21.3.4.7.6.0 i 9600

Compatibility consideration

Increasing MTU sizes requires proper configuration and support across all network devices and components within a network segment. Incompatible or misconfigured MTU settings can lead to fragmentation, packet loss, or interoperability issues.

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