Cisco ASR 920 series Configuration Guide Ethernet Router

Finding Feature Information
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find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table.
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Prerequisites for 802.1ad
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Ethertype should be configured.
Restrictions for 802.1ad
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802.1ad is supported only on EFP and Trunk EFPs (TEFP).
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SVI based cross-connect, EFP local connect is not supported.
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Termination of Layer3 interfaces is not supported.
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QoS support is same as supported on the 802.1q EVCs.
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QoS support for classification, marking, weighted tail-drop is not supported on 802.1ad EVCs.
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Routing over BDI with 802.1ad EVC is not supported.
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Outer tag Ethertype 0X88a8 is only supported.
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Global dot1ad command is not supported.
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Ethernet 802.1ad is not supported on port-channels.
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VPLS is not supported for 802.1ad.
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VLAN Translate is not supported for 802.1ad.
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l2protocol peer and l2protocol drop commands are not supported.
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CFI is not retained for rewrite push operation.
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Inconsistent VLAN tagging behavior may been seen with rewrite push is configured for S-UNI port and
rewrite pop is configured for NNI port
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Translation of UNI-C to NNI port is not supported for EVC configuration.
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CFM and Y.1731 are not supported on Smart SFP (SSFP) enabled interfaces for both xconnect and BD.
Carrier Ethernet Configuration Guide (Cisco ASR 920 Series)
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Configuring IEEE 802.1ad
Finding Feature Information

Cisco ASR 920 series Specifications

General

Brand	Cisco
Model	ASR 920 series
Category	Network Router
Language	English