xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Web UI Reference Guide
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Add Inner Tag
(hex: 0x1-0xffff)
Deselect the Disabled check box and enter an inner tag for the packet to use.
Click the Apply button to accept the changes made for each individual section.
VLAN Translation Settings
VLAN translation translates the VLAN ID carried in the data packets it receives from private networks into those
used in the Service Providers network.
To view this window, click L2 Features > QinQ > VLAN Translation Settings, as shown below:
Figure 4-27 VLAN Translation Settings window
The fields that can be configured are described below:
Parameter Description
Unit
Select a unit to be configured.
From Port / To Port
A consecutive group of ports that are part of the VLAN configuration starting with the
selected port.
CVID (1, 5-7)
The customer VLAN ID List to which the tagged packets will be added.
Action
Specify for SPVID packets to be added or replaced.
SVID (1-4094)
This configures the VLAN to join the Service Providers VLAN as a tagged member.
Priority Select a priority for the VLAN ranging from 0 to 7. With 7 having the highest priority.
Click Apply to make a new entry.
Click Delete All to remove all entries.
Q-in-Q and VLAN Translation Rules
For ingress untagged packets at UNI ports:
1. The Switch does not reference the VLAN translation table.
2. Check t he Switch VLAN t ables. T he s equence i s MAC-based V LAN -> s ubnet-based V LAN -> pr otocol-
based VLAN -> port-based VLAN. If matched, the matched VLAN will become this packet’s ‘SPVLAN’.
For ingress tagged packets at UNI ports:
1. The S witch looks up t he VLAN t ranslation t able. I f m atched, t he V LAN tag will be t ranslated ( replace
CEVLAN with SPVLAN, or add SPVLAN).
2. Or, check the Switch VLAN tables. The sequence is the same as above. The matched VLAN becomes this
packet’s ‘SPVLAN’.
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