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Bring performance and reliability to your network with the HPE Aruba Networking Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of your switching 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 May 25, 2023 09:54 AM

    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

    thanks



  • 2.  RE: MTU and mss 5400 series

    MVP GURU
    Posted May 27, 2023 04:59 AM

    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

    jumbo

    [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.


    Original Message