Avaya Configuring ATM Services Manual de usuario Pagina 53

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Understanding ATM Concepts
114056 Rev. A 2-13
You must assign a data encapsulation type to hybrid mode PVCs individually,
using the Site Manager ATM Virtual Channel Link window. You cannot assign
data encapsulation to a hybrid mode PVC using the service record.
When you use the copy function, the new PVC uses the data encapsulation
type of the existing PVC.
PVC Access Methods
You can set up PVCs to access an ATM network in the following ways:
Multiple PVCs per service record
One PVC per service record
Hybrid access PVCs
Multiple PVCs
Upper-layer protocols treat each service record on an ATM network interface as a
single access point. These protocols use a single network address to send all traffic
destined for the network to the ATM network interface. Figure 2-6 shows a
conceptual drawing of multiple PVCs accessing an ATM network through one
service record.
Figure 2-6. Multiple PVCs per Service Record
Site A
Upper layer
protocol
Site B
Site C
PVC
PVC
PVC
PVC
PVC
Site D
Site E
ATM
network
ATM0018A
Service
record
Service
record
ATM
physical
interface
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