What is Vlan pruning

What is Vlan pruning

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Basically, Vlan Pruning reduces the bandwidth. Suppose SW1 does not have any vlan 10 devices, so SW1 prunes vlan 10 traffic that I don’t need. This helps Sw1 avoid accepting packets from the vlans what Sw1 do not have.

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Got it sir thanks.

Sir can you explain me what is the use of database table in ospf?

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since OSPF is a link state routing protocol, the LSDB keeps information of all the routers and their LSAs in it.