Introduction to the BayStack 410-24T Switch309985-B Rev 00 1-39In Figure 1-17, untagged incoming packets are assigned directly to VLAN 2(PVID = 2). Port 5 is configured as a tagged member of VLAN 2, and port 7 isconfigured as an untagged member of VLAN 2.Figure 1-17. Port-Based VLAN AssignmentAs shown in Figure 1-18, the untagged packet is marked (tagged) as it leaves theswitch through port 5, which is configured as a tagged member of VLAN 2. Theuntagged packet remains unchanged as it leaves the switch through port 7, whichis configured as an untagged member of VLAN 2.Figure 1-18. 802.1Q Tagging (After Port-Based VLAN Assignment)Port 6DASADataCRCBS41016APort 7 Port 8Port 1Port 4Port 5Port 2 Port 3802.1Q SwitchPVID = 2Untagged packetUntagged memberof VLAN 2Tagged memberof VLAN 2BeforeBS41017APort 6 Port 7 Port 8Port 1Port 4Port 5Port 2 Port 3802.1Q SwitchKeyPriorityCFIVID- User_priority- Canonical format indicator- VLAN identifierPVID = 2 Tagged memberof VLAN 2Untagged memberof VLAN 2AfterDASADataCRC(*Recalculated)Outgoinguntagged packet(unchanged)DASADataCRC* TagVID = 2Priority16 bits 3 bits 1 bits 12 bits8100 CFI
