-| Initialize L2 bridge domain in 2-node circular topology
-| | [Documentation]
-| | ... | Setup L2 DB topology by adding two interfaces on DUT into BD
-| | ... | that is created automatically with index 1. Learning is enabled.
-| | ... | Interfaces are brought up.
-| | ...
-| | ... | *Arguments:*
-| | ... | - bd_id - Bridge domain ID. Type: integer
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Initialize L2 bridge domain in 2-node circular topology \| 1 \|
-| | ...
-| | [Arguments] | ${bd_id}=${1}
-| | ...
-| | Set interfaces in path up
-| | Add interface to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id}
-| | Add interface to bridge domain | ${dut1} | ${dut1_if2} | ${bd_id}
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-| Initialize L2 bridge domain in 3-node circular topology