C
HAPTER
36
| VLAN Commands
Configuring Protocol-based VLANs
– 1153 –
Console#
show
vlan-translation
This command displays the configuration settings for VLAN translation.
SYNTAX
show vlan-translation [interface interface]
interface
ethernet unit/port
unit - Stack unit. (Range: 1)
port - Port number. (Range: 1-28)
COMMAND MODE
Privileged Exec
EXAMPLE
Console#show vlan-translation
Interface Old VID New VID
--------- ------- -------
Eth 1/ 1 10 100
Console#
CONFIGURING PROTOCOL-BASED VLANS
The network devices required to support multiple protocols cannot be
easily grouped into a common VLAN. This may require non-standard
devices to pass traffic between different VLANs in order to encompass all
the devices participating in a specific protocol. This kind of configuration
deprives users of the basic benefits of VLANs, including security and easy
accessibility.
To avoid these problems, you can configure this switch with protocol-based
VLANs that divide the physical network into logical VLAN groups for each
required protocol. When a frame is received at a port, its VLAN
membership can then be determined based on the protocol type in use by
the inbound packets.
Table 141: Protocol-based VLAN Commands
Command Function Mode
protocol-vlan protocol-
group
Create a protocol group, specifying the supported
protocols
GC
protocol-vlan protocol-
group
Maps a protocol group to a VLAN IC
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