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Configuring VLAN Stacking Services
A UNI port is a customer-facing port on which traffic enters the VLAN Stacking service. When the port is
associated with a service access point, the port is automatically defined as a UNI port and the default
VLAN for the port is changed to a VLAN that is reserved for the VLAN Stacking application.
To delete a UNI port association with a VLAN Stacking SAP, use the no form of the ethernet-service sap
uni command. For example, the following command deletes the association between UNI 1/1 and SAP 20:
-> no ethernet-service sap 20 uni port 1/1
Note that when the last SAP association for the port is deleted, the port automatically reverts back to a
conventional switch port and is no longer VLAN Stacking capable.
Consider the following when configuring VLAN Stacking UNI ports:
•
All customer traffic received on the UNI port is dropped until customer VLANs (CVLAN) are associ-
ated with the port. See
•
A default UNI profile is assigned to the port at the time the port is configured. This profile defines how
control frames received on the UNI ports are processed. While Spanning Tree frames are automati-
cally tunneled, all other protocol control frames are dropped.
•
To use different profile attribute values, create a new profile and associate it with the UNI port. See
"Configuring a UNI Profile" on page
profile is overwritten with the new one.
•
Only fixed ports can be converted to UNI ports.
Use the
show ethernet-service uni
each port.
Configuring the Type of Customer Traffic to Tunnel
The
ethernet-service sap cvlan
service access point (SAP). This identifies the type of customer traffic received on the SAP UNI ports that
the service will process and tunnel through the SVLAN configured for the service. For example, the
following command specifies that traffic tagged with customer VLAN (CVLAN) 500 is allowed on UNI
ports associated with SAP 20:
-> ethernet-service sap 20 cvlan 500
In this example, customer frames tagged with VLAN ID 500 that are received on SAP 20 UNI ports are
processed by the service to which SAP 20 is associated. This includes applying profile attributes associ-
ated with SAP 20 to the qualifying customer frames. If no other customer traffic is specified for SAP 20,
all other frames received on SAP 20 UNI ports are dropped.
In addition to specifying one or more CVLANs, it is also possible to specify the following parameters
when using the ethernet-service sap cvlan command:
•
all—Specifies that all untagged and tagged frames are accepted on the UNI ports. This mapping
denotes that all customer frames that do not map to any other SAP,will be mapped into this service.
•
untagged—Specifies that only untagged frames are accepted on the UNI ports. This mapping denotes
that only untagged frames will be mapped into this service.
For example, the following command specifies that all untagged frames is accepted on UNI ports associ-
ated with SAP 20:
-> ethernet-service sap 20 cvlan untagged
page 27-16
"Configuring the Type of Customer Traffic to Tunnel" on page
27-19. Each time a profile is assigned to a UNI, the existing
command to display a list of UNI ports and the profile association for
command is used to associate customer traffic with a VLAN Stacking
OmniSwitch AOS Release 7 Network Configuration Guide
Configuring VLAN Stacking
27-16.
March 2011
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