Vpls Packet Walkthrough; Figure 20 Vpls Service Architecture; Figure 21 Access Port Ingress Packet Format And Lookup - Nokia 7302 Manual

FD 100/320Gbps NT and FX NT IHub Services Guide
5.3.3.3
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, to site-B, which
is connected to PE-Router-C (see Figure 20).
Figure 20
PE-Router-A (see Figure 21)
Figure 21
1 Service packets arriving at PE-Router-A are associated with a VPLS service
Issue: 13

VPLS Packet Walkthrough

VPLS service architecture
LSP full-mesh
PE A
B
B
IP/MPLS
network
Access Port Ingress Packet Format and Lookup
Customer
Location A
PE A
B
Dest Src VLAN Customer
MAC MAC ID packet
: virtual bridge
B
instance based on the combination of the physical port and the IEEE 802.1Q tag
(VLAN-ID) in the packet.
3HH-11985-AAAA-TQZZA
PE D
B
B
B
PE B
IP/MPLS
network
Ingress look-up based on
access port or port/VLAN ID
Virtual Private LAN Service
VPLS Service 1
VPLS Service 2
PE C
B
B
B : virtual bridge
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