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Item Capabilities
Optional match fields
The VLAN untagging flow table can optionally support the
inner vlan
match field
that matches the inner VLAN tag of double-tagged packets.
Required actions
The following actions in the action list of the Apply-Actions instruction must be
applied immediately:
• Pop-Tag.
• Set-Field (vlan).
Optional actions The VLAN untagging flow table can optionally support the
Output (normal)
action.
The VLAN untagging flow table applies only to double-tagged packets.
The egress port and inner vlan are extended match fields that use the Experimenter ID (0xFE2)
and take the private match field values 47 and 48, respectively. To deploy flow entries that contain
the extended match fields, make sure the controllers are developed to be compatible with the
Experimenter ID and the extended match fields.
The Pop-Tag and Set-Field (vlan) actions must be in the action list of the Apply-Actions instruction.
The Pop-Tag and Set-Field (vlan) actions can be used as follows:
• Pop-Tag—Removes the outer VLAN tag.
• Pop-Tag + Pop-Tag—Removes the inner and outer VLAN tags.
• Pop-Tag + Set-Field (value)—Removes the outer VLAN tag and modifies the inner VLAN tag
to value.
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