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P
VLAN
ROTOCOL
S
W
I
EB
NTERFACE
To add an interface to a QinQ tunnel:
Click VLAN, Tunnel.
1.
Select Configure Interface from the Step list.
2.
Set the mode for any tunnel access port to Access and the tunnel uplink
3.
port to Uplink.
Click Apply.
4.
Figure 77: Adding an Interface to a QinQ Tunnel
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 being
used by the inbound packets.
C
U
OMMAND
SAGE
To configure protocol-based VLANs, follow these steps:
◆
First configure VLAN groups for the protocols you want to use
1.
(page
937). Although not mandatory, we suggest configuring a
separate VLAN for each major protocol running on your network.
Do not add port members at this time.
Create a protocol group for each of the protocols you want to assign
2.
to a VLAN using the Configure Protocol (Add) page.
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| VLAN Configuration
C
6
HAPTER
Protocol VLANs
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Troubleshooting
