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Bring performance and reliability to your network with the Aruba Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of the ArubaOS-Switch and ArubaOS-CX devices, and find ways to improve security across your network to bring together a mobile first solution.
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MTU and mss 5400 series

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  • 1.  MTU and mss 5400 series

    Posted 8 days ago

    HI ,

    Is there any way to set MTU to 9000 on interface port on Aruba 5406 and change the mss value on vlan 

    like in cisco switch 

    interface Vlan10
     ip tcp adjust-mss 1300

    interface GigabitEthernet1/3                       
     switchport access vlan 10
     switchport mode access
     mtu 9000


  • 2.  RE: MTU and mss 5400 series

    Posted 6 days ago

    If I'm not mistaken there is no way to change the MSS on ArubaOS-Switch operating system (used into Aruba 5400R zl2, as example) but you can change the MTU on VLAN context:

    jumbo frame enable


    [no] vlan VLAN-ID jumbo

    Usage: [no] jumbo

    Description: Labels this VLAN as a Jumbo VLAN, allowing you to pass packets up to 9220 bytes in size.
    This is a VLAN context command. It can be called directly from the VLAN context or follow the 'vlan VLAN-ID'

    Also check with show jumbos.