The network administrator must preconfigure mappings between all.This mode binds service types to VLANs, facilitating management The frame is then transmitted in the specified VLAN. The switch adds the VLAN tag mapping the protocol type of the frame VLANs are assigned based on protocol (suite) types and encapsulationĪ network administrator preconfigures mappingsīetween protocol types and VLAN IDs. To join a new VLAN automatically after the PC's IP address changes. Needs to access servers on different network segments or a PC needs Mobility and simplified management and low requirements for security.įor example, this mode can be used if a PC with multiple IP addresses Users are evenly spread and multiple users are on the sameĪpplies to scenarios where there are high requirements for This mode reduces communication traffic and allows a broadcast.When physical locations of users change, the network administratorĭoes not need to reconfigure VLANs for the users.Then the frame is transmitted in the specified VLAN. When receiving an untagged frame, the switchĪdds the VLAN tag mapping the IP address of the frame to the frame. VLANs are assigned based on source IP addresses and subnetĪ network administrator preconfigures mappings between The network administrator must predefine VLANs for all membersĪpplies to small-scale networks where user terminals oftenĬhange physical locations but their NICs seldom change, for example, When physical locations of users change, the network administratorĭoes not need to reconfigure VLANs for the users. Then theįrame is transmitted in the specified VLAN. VLAN tag mapping the MAC address of the frame to the frame. When receiving an untagged frame, the switch adds the VLANs are assigned based on source MAC addresses of frames.Ī network administrator preconfigures mappings between MAC addressesĪnd VLAN IDs. The network administrator needs to reconfigureĪpplies to networks of any scale and with devices at fixed When an untagged frame arrives at an interface, the switch adds the Table 5-2 Comparisons among VLAN assignment modesĪdministrator preconfigures a PVID for each interface on a switch.
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