Avaya 8800 Planning And Engineering, Network Design page 203

Protocol Independent Multicast-Sparse Mode guidelines
Figure 95: Redundant MBR configuration
For a proper redundant configuration, ensure that the links use two separate VLANs (see the
following figure). Ensure that the unicast routes and DVMRP routes always point to the same path.
June 2016 Planning and Engineering — Network Design 203
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