Frame Duplication Avoidance For TRILL Active-Active Access

Document Type Expired Internet-Draft (individual)
Authors Hao Weiguo  , Li Yizhou  , Zhibo Hu
Last updated 2014-08-17 (latest revision 2014-02-13)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The problems in active-active connection to TRILL campus was introduced in [TRILL-Active-PS]. Frame duplication was a well recognized issue in that scenario. This draft proposes a Designated Forwarder (DF) mechanism to solve the issue of frame duplications. The basic idea is to elect one RBridge per VLAN from an edge group to be responsible for egressing the multicast frames. An edge group is a group of edge RBridges that a CE is multi-homed to in active- active mode. TRILL protocol extension for DF election is described in this draft.


Hao Weiguo (
Li Yizhou (
Zhibo Hu (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)