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Usually used in a layer3 switch.
VLAN ACL's are good start. But if you are looking at packet filtering on a complex network, then you would be better off using a dedicated firewall/UTM internally which would give you great benefits
you can use VLAN ACLs to filter traffic between VLANs and within VLANS
you can use private vlan as a way to filter traffic in Vlans
router device
router is l2 and l3 device
Wire-shark tool can be used for filtering the traffic within the VLANS.
