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2.
(config-if-range)# switchport mode protocol-vlan
(config-if-range)# switchport protocol vlan 10
(config-if-range)# exit
Sets ports 0/1 and 0/2 as protocol ports. Then, sets VLAN 10.
3.
(config)# interface range fastethernet 0/3-4
(config-if-range)# switchport mode protocol-vlan
(config-if-range)# switchport protocol vlan 20
(config-if-range)# exit
Sets ports 0/3 and 0/4 as protocol ports. Then, sets VLAN 20.
4.
(config)# interface fastethernet 0/4
(config-if)# switchport protocol vlan add 30
(config-if)# exit
Adds VLAN 30 to port 0/4. Two types of protocol VLAN, IPv4 and IPv6 are set for
port 0/4.
Notes
The
previous configuration. Instead, it replaces the settings in the specified
list>. To add and remove VLANs for ports on which protocol VLANs are already
running, use the
remove
(4) Setting trunk ports
Points to note
For protocol VLANs, ports handling tagged frames are set as trunk ports, and VLANs
are set for the trunk ports.
Command examples
1.
(config)# interface fastethernet 0/5
Switches to the Ethernet interface configuration mode for port 0/5.
2.
(config-if)# switchport mode trunk
(config-if)# switchport trunk allowed vlan 10,20,30
(config-if)# exit
Sets port 0/5 as a trunk port. Then, sets VLAN 10, VLAN 20 and VLAN 30.
17.6.3 Configuring native VLAN for protocol ports
Points to note
You need to set a native VLAN for handling untagged frames that do not match the
protocol set for a protocol port. Only port VLANs can be set for native VLANs.
When the VLAN ID of a native VLAN is set by the
vlan
switchport protocol vlan
switchport protocol vlan add
configuration commands.
configuration command, it becomes the VLAN for handling untagged frames
configuration command does not add to the
and
switchport protocol vlan
switchport protocol native
17 VLANs
<VLAN ID
269
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