
vii
Enabling and Editing Protocols for Group Access PVCs ..............................................4-16
Enabling and Editing Protocols for Direct or Hybrid Access PVCs ...............................4-20
Setting PVCs for Multipath Mode .................................................................................4-22
Deleting PVCs ..............................................................................................................4-24
Deleting ATM DXI from the Router ...............................................................................4-25
Chapter 5
ATM Features and Implementation Notes
ATM Support ...................................................................................................................5-2
Multiprotocol Encapsulation .....................................................................................5-3
Interim Local Management Interface (ILMI) .............................................................5-4
ARP and Inverse ARP Support ................................................................................5-4
LAN Emulation .........................................................................................................5-4
ATM Signaling ..........................................................................................................5-5
Signaling ATM Adaptation Layer (SAAL) ..................................................................5-6
ATM Error Checking .................................................................................................5-6
Simulated Multicast Packet Support ........................................................................5-6
ATM Implementation Notes ............................................................................................5-7
Service Records and Virtual Circuits .......................................................................5-7
PVC Access Methods ..............................................................................................5-7
Multiple PVCs ....................................................................................................5-7
One PVC ...........................................................................................................5-9
Hybrid Access ..................................................................................................5-10
Using Hybrid PVCs for Transparent Bridging .........................................................5-11
SVC Access Methods ............................................................................................5-12
ATM Traffic Parameters ..........................................................................................5-12
Converting Mb/s to Cells/s ...............................................................................5-13
Variable Bit Rate versus Available Bit Rate .....................................................5-14
Peak Cell Rate .................................................................................................5-14
Sustainable Cell Rate and Minimum Cell Rate ................................................5-15
Maximum Burst Size ........................................................................................5-17
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