Alcatel-Lucent 7450 Quality Of Service Manual page 317

Ethernet service switch; service router; extensible routing system
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The snap-pid field, etype field, ssap and dsap fields are mutually exclusive and cannot be part of the
same match criteria.
The no form of this command removes the previously entered etype field as the match criteria.
Default
None
Parameters
etype-value — The Ethernet type II frame Ethertype value to be used as a match criterion
inner-tag
Syntax
inner-tag value [vid-mask]
no inner-tag
Context
config>qos>sap-ingress>mac-criteria>entry
Description
This command configures the matching of the second tag that is carried transparently through the
service. The inner-tag on ingress is the second tag on the frame if there are no service delimiting tags.
Inner tag is the second tag before any service delimiting tags on egress but is dependent in the ingress
configuration and may be set to 0 even in cases where additional tags are on the frame. This allows
matching VLAN tags for explicit filtering or QoS setting when using default or null encapsulations.
The inner-tag is not applicable in ingress on dot1Q SAPs. The inner-tag may be populated on egress
depending on the ingress SAP type.
On QinQ SAPs of null and default that do not strip tags inner-tag will contain the second tag (which is
still the second tag carried transparently through the service.) On ingress SAPs that strip any tags,
inner-tag will contain 0 even if there are more than 2 tags on the frame.
The optional vid_mask is defaulted to 4095 (exact match) but may be specified to allow pattern
matching. The masking operation is ((value and vid-mask) = = (tag and vid-mask)). A value of 6 and
a mask of 7 would match all VIDs with the lower 3 bits set to 6.
For QoS, the VID type cannot be specified on the default QoS policy.
The default vid-mask is set to 4095 for exact match.
outer-tag
Syntax
outer-tag value [vid-mask]
no outer-tag
Context
config>qos>sap-ingress>mac-criteria>entry
Quality of Service Guide
expressed in hexadecimal.
Values
0x0600 to 0xFFFF
Service Egress and Ingress QoS Policies
317

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