Remove RIF SMAC attribute from HLD #280
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In general, the switch mac shall be same as RIF mac, but for packet forwarding, it is expected to use the RIF mac as src mac. So please keep the attribute. |
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@prsunny While this is true for the switch, is it expected to be configured on a DPU? That's the additional attribute to support. |
I think yes, because router interface creation for DPU is similar to switch and we pass this attribute by default |
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Based on BMv2 discussion, the SRC mac of egress packet should be set based on SMAC of switch, not RIF. So, looks like this RIF SAI_ROUTER_INTERFACE_ATTR_SRC_MAC_ADDRESS attribute is redundant in the doc, thus removing it. The SAI_SWITCH_ATTR_SRC_MAC_ADDRESS should used instead.