VPLS Service Overview
Page 248 7210 SAS M Services Guide
VPLS Packet Walkthrough in Access Uplink Mode
This section provides an example of VPLS processing of a customer packet sent across the
network from site-A, which is connected to PE-Router-A through a 7210 SAS M to site-C, which
is connected through 7210 SAS M to PE-Router-C (Figure 35) in an HVPLS configuration. This
section does not discuss the processing on the PE routers, but only on 7210 SAS routers.
Figure 38: VPLS Service Architecture
1. 7210-A (Figure 36)
a. Service packets arriving at 7210-A are associated with a VPLS service instance based on
the combination of the physical port and the IEEE 802.1Q tag (VLAN-ID) in the packet.
7210
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72107210
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PE-D
PE-A PE-C
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OSSG486
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