Switching

Expand all | Collapse all

EX200 virtual chassis question: PFE and Device ID in the member switch

Jump to Best Answer
  • 1.  EX200 virtual chassis question: PFE and Device ID in the member switch

    Posted 03-10-2019 15:39

    Hi everyone.

    In Virtual chassis on EX200 , each PFE is assigned a device ID . Is Device ID always equal to PFE ID?

    Example:

    root@SW1> show chassis hardware
    Hardware inventory:
    Item Version Part number Serial number Description
    Chassis CU0212120838 EX2200-48T-4G
    Routing Engine 0 REV 18 750-026325 CU0212120838 EX2200-48T-4G
    FPC 0 REV 18 750-026325 CU0212120838 EX2200-48T-4G
    CPU BUILTIN BUILTIN FPC CPU
    PIC 0 BUILTIN BUILTIN 48x 10/100/1000 Base-T
    PIC 1 REV 18 750-026325 CU0212120838 4x GE SFP
    Power Supply 0 PS 100W AC
    Fan Tray Fan Tray

     

    Above we have two PFE : PFE0 and PFE1.

     

    root@SW1> show virtual-chassis device-topology local

     

    root@SW1> show virtual-chassis device-topology local
    Neighbor List
    Member Device Status System ID Member Device Interface
    0 0 Prsnt 6487.88b9.a940 0 1 internal-0/24
    0 1 Prsnt 6487.88b9.a941 0 0 internal-1/27

     

    Above  device ID 0 is assigned to PFE 0 because PFE is numbered as zero?

     

    Thanks and have a good weekend!! 

     

     

     

     

     

     

     

     

     



  • 2.  RE: EX200 virtual chassis question: PFE and Device ID in the member switch
    Best Answer

     
    Posted 03-10-2019 18:20

    No, the device id also changes with the member ID.  It is a value assigned to each PFE, within the Virtual Chassis for VCCP calculations. 



  • 3.  RE: EX200 virtual chassis question: PFE and Device ID in the member switch

     
    Posted 03-10-2019 20:09

    Hi sarah,

     

    The EX2200-48T/P is a dual-PFE so each switch/FPC or member (in a VC) will have two PFE's each.  And each PFE is assigned a device ID as rightly mentioned in the previous post.  Note that EX2200-24T/P is a single PFE so you may only find one device ID on those.

     

    Hope this helps.

     

    Regards,
    -r.

    --------------------------------------------------

    If this solves your problem, please mark this post as "Accepted Solution."
    Kudos are always appreciated :).



  • 4.  RE: EX200 virtual chassis question: PFE and Device ID in the member switch

    Posted 03-13-2019 17:13

    Hi Sarah,

     

    A useful command for this is:

    >show virtual chassis vc port 

    In example:

    show virtual-chassis vc-path source-interface ge-0/0/0 destination-interface ge-0/0/43

     

    will give you this output (this can also be done across VC members):

    vc-path from ge-0/0/0 to ge-0/0/43
    Hop     Member PFE-Device Interface
    0          0                1                  ge-0/0/0
    1          0                2                  internal-1/25
    2          0                0                  ge-0/0/43

     

    As you can see here it is telling you

    ge-0/0/0 is an interface from PFE-Dev 1 

    ge-0/0/43 is an interface from PFE-Dev 0

    and PFE-Dev 2 is actually internal (internal-1/25 is actually part of the VC-ports)

     

    you can experiment a little with that command I am sure you can see the information you need that way.

     

    Regards!