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Configuring ATM ························································································· 188
Overview ························································································································································ 188
ATM connections and ATM switching ···································································································· 188
ATM architecture ···································································································································· 189
IPoA, IPoEoA, PPPoA, and PPPoEoA ·········································································································· 190
IPoA ······················································································································································· 190
IPoEoA ··················································································································································· 190
PPPoA ···················································································································································· 190
PPPoEoA ··············································································································································· 190
ATM service types ········································································································································· 191
CBR ························································································································································ 191
rt-VBR ···················································································································································· 191
nrt-VBR ·················································································································································· 191
UBR ························································································································································ 191
InARP ····························································································································································· 191
ATM OAM ······················································································································································ 192
OAM F5 loopback ·································································································································· 192
OAM continuity check ···························································································································· 192
Hardware compatibility with ATM ··················································································································· 192
ATM configuration task list ····························································································································· 193
Configuring an ATM interface ························································································································ 193
Configuring an ATM subinterface ·················································································································· 194
Performing basic configurations for an ATM subinterface ····································································· 194
Checking PVC status to determine the protocol state of an ATM P2P subinterface ······························ 194
Configuring PVCs and the maximum number of PVCs allowed on an interface············································ 194
Configuring PVC parameters ················································································································· 194
Setting the CLP bit for ATM cells ··········································································································· 196
Assigning a transmission priority to an ATM PVC ·················································································· 196
Configuring PVC service mapping ········································································································· 197
Configuring the maximum number of PVCs allowed on an ATM interface ············································ 197
Configuring an ATM class ······························································································································ 198
Configuring VP policing ·································································································································· 200
Configuring applications carried by ATM ······································································································· 200
Configuring Layer 3 VE interfaces ········································································································· 200
Configuring IPoA ···································································································································· 201
Configuring IPoEoA ································································································································ 202
Configuring PPPoA ································································································································ 202
Configuring PPPoEoA ···························································································································· 203
Displaying and maintaining ATM ··················································································································· 204
ATM configuration examples ························································································································· 205
IPoA configuration example ··················································································································· 205
IPoEoA configuration example ··············································································································· 206
PPPoA configuration example ··············································································································· 207
PPPoEoA server configuration example ································································································ 209
PPPoEoA client configuration example ·································································································· 210
ATM PVC transmit priority configuration example ················································································· 212
Troubleshooting ATM ····································································································································· 213
Link state error in IPoA application ········································································································ 213
Link report error in PPPoA application ··································································································· 214
Ping failure ············································································································································· 214
ATM interface state error ······················································································································· 214
PVC state is down while ATM interface state is up ················································································ 214
Ping failure after PPPoA configuration ··································································································· 215
Packet loss and CRC errors and changes of interface state ································································· 215
Configuring HDLC ······················································································· 216
Overview ························································································································································ 216
HDLC frame format and frame type ··············································································································· 216
Enabling HDLC encapsulation on an interface ······························································································ 216
Configuring an IP address for an interface ···································································································· 217
Configuring the link status polling interval ······································································································ 217
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