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Aruba CX-6200 and A9004 Gateway using UBT

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  • 1.  Aruba CX-6200 and A9004 Gateway using UBT

    Posted Oct 15, 2021 09:46 AM
    Hi everyone, 

    I am testing UBT in my lab, more accurately sending the gateway role from CPPM to my A9004.

    After configuring the paramenters according to the great tutorial of Airheads Brodcasting Channel my switch keeps on registering state

    ArubaCX-6200# sh ubt state
    =====================================================================
    Zone Aruba_Zone:
    ====================================================================
    Local Master Server (LMS) State:

    LMS Type IP Address State Role
    ---------------------------------------------------------------------
    Primary : 192.168.11.1 ready_for_bootstrap operational_primary

    Switch Anchor Controller (SAC) State:

    IP Address MAC Address State
    -----------------------------------------------------------------
    Active : 192.168.11.1 registering

    Checking the deb buf using the command "show debug buffer module ubt reverse" I can see that the switch is expecting for something from the gateway and I wonder if it is necessary configuring anything on te gateway beyond that the role sent from CPPM exists. 

    ArubaCX-6200# sh deb buf module ubt reverse
    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    show debug buffer
    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    2021-10-15:12:10:21.868261|tunnelednode|LOG_ERR|MSTR|1|UBT|UBT_PACKET|papi_RecvMsg: Unable to calculate MD5 checksum - Cluster Idx is not valid
    2021-10-15:12:10:21.865753|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default Sending SAC Bootstrap to node: 192.168.11.1
    2021-10-15:12:10:21.865691|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default papi_SendMsg: iBufLen 72, iSocket 10
    2021-10-15:12:10:21.865673|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Multicast tunnel MTU size: 1566
    2021-10-15:12:10:21.865658|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|rr MTU, IP address: 192.168.11.1, MTU: 1566
    2021-10-15:12:10:21.865625|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default sacMode 1
    2021-10-15:12:10:21.865608|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Zone: Aruba_Zone vrf: default SAC state: Bootstrapping, event: Timeout
    2021-10-15:12:10:21.865590|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default SAC BStrap to 192.168.11.1 (Active) initiated
    2021-10-15:12:10:21.865561|tunnelednode|LOG_WARN|MSTR|1|UBT|UBT_CP|Zone: Aruba_Zone vrf: default Timeout elapsed while in state 'Bootstrapping'for IP:192.168.11.1
    2021-10-15:12:10:18.864991|tunnelednode|LOG_ERR|MSTR|1|UBT|UBT_PACKET|papi_RecvMsg: Unable to calculate MD5 checksum - Cluster Idx is not valid
    2021-10-15:12:10:18.862310|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default Sending SAC Bootstrap to node: 192.168.11.1
    2021-10-15:12:10:18.862246|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default papi_SendMsg: iBufLen 72, iSocket 10
    2021-10-15:12:10:18.862228|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Multicast tunnel MTU size: 1566
    2021-10-15:12:10:18.862213|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|rr MTU, IP address: 192.168.11.1, MTU: 1566
    2021-10-15:12:10:18.862181|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default sacMode 1
    2021-10-15:12:10:18.862165|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Zone: Aruba_Zone vrf: default SAC state: Bootstrapping, event: Timeout
    2021-10-15:12:10:18.862148|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default SAC BStrap to 192.168.11.1 (Active) initiated
    2021-10-15:12:10:18.862130|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|ClusterIdx: 0 zone: Aruba_Zone other LMS IP is not configured
    2021-10-15:12:10:18.862103|tunnelednode|LOG_WARN|MSTR|1|UBT|UBT_CP|Zone: Aruba_Zone vrf: default Retry exceeded while in state 'Bootstrapping'for IP:192.168.11.1
    2021-10-15:12:10:14.878120|tunnelednode|LOG_ERR|MSTR|1|UBT|UBT_PACKET|papi_RecvMsg: Unable to calculate MD5 checksum - Cluster Idx is not valid
    2021-10-15:12:10:14.876495|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default Sending SAC Bootstrap to node: 192.168.11.1
    2021-10-15:12:10:14.876429|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default papi_SendMsg: iBufLen 72, iSocket 10
    2021-10-15:12:10:14.876411|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Multicast tunnel MTU size: 1566
    2021-10-15:12:10:14.876396|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|rr MTU, IP address: 192.168.11.1, MTU: 1566
    2021-10-15:12:10:14.876363|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_PACKET|Zone: Aruba_Zone vrf: default sacMode 1
    2021-10-15:12:10:14.876345|tunnelednode|LOG_INFO|MSTR|1|UBT|UBT_CP|Zone: Aruba_Zone vrf: default SAC state: Bootstrapping, event: Timeout

    I must say that the A9004 and the CX6200 have direct connection.

    ArubaCX-6200# sh ip int brief
    Interface IP Address Interface Status
    link/admin
    vlan1 No Address down/up

    vlan11 192.168.11.3/24 up/up

    vlan21 192.168.21.3/24 up/up

    vlan31 192.168.31.3/24 up/up

    ArubaCX-6200# sh vlan

    --------------------------------------------------------------------------------------------------------------
    VLAN Name Status Reason Type Interfaces
    --------------------------------------------------------------------------------------------------------------
    1 DEFAULT_VLAN_1 down no_member_forwarding default 1/1/2-1/1/28
    11 Gestion up ok static 1/1/1
    21 Corp up ok static 1/1/1
    31 Gest up ok static 1/1/1
    4091 UBT down no_member_port static

    ArubaCX-6200# sh run int 1/1/1
    interface 1/1/1
    no shutdown
    description Link=>GW0/0/1
    vlan trunk native 1
    vlan trunk allowed 11,21,31
    exit

    ubt-client-vlan 4091
    ubt zone Aruba_Zone vrf default
    primary-controller ip 192.168.11.1
    enable

    ip source-interface ubt interface vlan11

    Do you guys have any advice or suggestion? Is there anything to configure in the gateway side?

    Thanck you very much in advanced!!
    JoseMi

    ------------------------------
    Jose Miguel Cruz
    Technical Presales Consultant
    Tech Data España, S.L.U.
    ------------------------------


  • 2.  RE: Aruba CX-6200 and A9004 Gateway using UBT

    Posted Oct 20, 2021 07:49 AM
    Do you have licenses (AP+PEF) on your 9004 gateway?
    Can you check the logs on the 9004 gateway? I would think those provide more information.
    What is the firmware version on the 9004 gateway?
    What is the firmware version on the switch?

    There is no specific configuration needed that I could think of, except that the gateway-role has to be present on the gateway, and the gateway has to be licensed.

    ------------------------------
    Herman Robers
    ------------------------
    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.

    In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.
    ------------------------------