VPLS Features
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Figure 41: Access Resiliency
The following mechanisms are supported for the I-VPLS:
• STP/RSTP can be used for all access types
• M-VPLS with MSTP can be used as is just for access Type A. MSTP is required for
access type B and C.
• LAG and MC-LAG can be used for access Type A and B.
• Split-horizon-group does not require residential.
BB
Null/dot1q 802.1ad/QinQ
Metro Network
CS
AS
ES
56
12 34
BB
CECE
B
C
B
A
B
CE
CE