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Mac controlplane mount11/2/2022 ![]() ![]() Mac controlplane mount mac#After this flood operation, other ends learn the senders MAC and record its FDB Table. ![]() Because there is no record about the destination. So, if a packet received from a SAP or a SDP, then it is flooded through all SAPs and SDPs (LSPs). At the beginning there is no record in Forwarding Databases (FDB). If there is no record, then it is flooded. This is flooding mechanism like in Ethernet Switches. In other words, if there is a record about the destiantion in FDB, it is sent directly to that destination with the help of FDB. If not, it forwards the traffic through all the ports. This mini switch sends the packets to its destination if it knows its Destination MAC Address. Think about this, VPLS is like a mini switch in the Servis Router. And then, the traffic is switched according to the Forwarding Databases (FDB). ![]() In FDBs, the MAC Addresses are associated with SAPs and SDPs. These tables are Forwarding Databases (FDB). MAC Address Learning is done and the forwarding process is done according to the tables in which MAC-address and port information is kept. MAC Learning in VPLS is similar to the MAC learning mechansim in an Ethernet Switch. Because of its Layer 2 nature, “MAC Learning” is very important for VPLS. ![]()
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