
Configuring ATM and MPLS Services
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Figure 1-8. Hybrid Access PVCs
Use hybrid PVCs when creating nonmeshed network configurations that use both
bridging and routing over a single ATM interface. These PVCs work best for
spanning tree bridging.
Note:
When you define a PVC as a hybrid/bridged VC, Site Manager provides
additional Bridge, Spanning Tree, Source Routing (SR), SR Spanning Tree,
Translational/Learning bridge (Translate/LB), and Native Mode LAN (NML)
protocol options. These protocols run on the PVC along with the protocols
defined in the ATM service record.
Site A
Bridge protocol sees two interfaces
to the network
I
I = Interface
Routing
protocol
Bridge
protocol
Site B
Direction of data
ATM
network interface
Hybrid PVC
Hybrid PVC
Routing protocol sees
one interface to the network
ATM
network
I
I
ATM0012B
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