Configuring Protocol-Based VLAN 23
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interface Ethernet1/0/11
port access vlan 101
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interface Ethernet1/0/12
port access vlan 201
Precautions ■After you assign the servers and the workstations to different VLANs, they
cannot communicate with each other. For them to communicate, you need to
configure a Layer 3 VLAN interface for each of them on the switches.
■After you telnet to an Ethernet port on a switch to make configuration, do not
remove the port from its current VLAN. Otherwise, your Telnet connection will
be disconnected.
Configuring Protocol-Based VLAN
Protocol-based VLAN, or protocol VLAN, is another approach to VLAN
implementation other than port-based VLAN. With protocol VLAN, the switch
compares each packet received without a VLAN tag against the protocol templates
based on the encapsulation format and the specified field. If a match is found, the
switch tags the packet with the corresponding VLAN ID. Thus, the switch can
assign packets to a VLAN by protocol.
Network Diagram Figure5 Network diagram for protocol-based VLAN configuration
Networking and
Configuration
Requirements
Configure the switch to automatically assign IP packets and Appletalk packets of
the workroom to different VLANs, ensuring that the workstations can
communicate with their respective servers properly.
Applicable Products
IP Host
Eth1/0/10
Eth1/0 /11 Eth1/0 /12
Workroom
AppleTalk Host
IP Server AppleTalk Server
Product series Software version Hardware version
Switch 5500 Release V03.02.04 All versions
Switch 5500G Release V03.02.04 All versions
Switch 4500 Release V03.03.00 All versions