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Comment: add note about LACP not being supported on RMP between 2 10G ports

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  • An interface cannot belong to multiple bonds.
  • A bond can have subinterfaces, but subinterfaces cannot have a bond. 

  • A bond cannot enslave VLAN subinterfaces.
  • Set all slave ports within a bond to the same speed/duplex and make sure they match the link partner’s slave ports.
  • On a Cumulus RMP switch, if you create a bond with multiple 10G member ports, traffic gets dropped when the bond uses members of the same sdk_intf from the portmap. For example, traffic gets dropped if both swp49 and swp52 are in the bond because they both are in xe0 (or if both swp50 and swp51 are in the same bond because they are both in xe1):
    swp49 xe0 0 0 -1 0
    swp50 xe1 0 0 -1 0
    swp51 xe1 1 0 -1 0
    swp52 xe0 1 0 -1 0
    Single port member bonds, bonds with different sdk_intf, or layer 3 bonds do not have this issue.

    Note

    LACP is not supported across the 10G ports between two Cumulus RMP switches.

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