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Learning (2) IEEE 802.1Q distinguishes between VID: VLAN ID FID: Filtering ID This allows: IVL (Independent VLAN learning): one VID equal one FID SVL (Shared VLAN learning): multiple VIDs map to one FID TRILL assumes the IVL model It announces through IS-IS {MAC Address, VID} pairs learnt locally Does TRILL care about IVL and SVL issues or not ? SVL has not been fully investigated Should TRILL additionally announce FID to VID association ? |