Displaying and maintaining ISDN settings ················································································································ 123

ISDN configuration examples ····································································································································· 124

ISDN PRI configuration example ······················································································································· 124

NI-enabled ISDN BRI configuration example ··································································································· 125

Troubleshooting ···························································································································································· 127

Configuring ATM ···················································································································································· 128

Overview ······································································································································································· 128

ATM connections and ATM switching ·············································································································· 128

ATM architecture ················································································································································· 129

ATM service types ··············································································································································· 130

ATM applications ················································································································································ 131

ATM OAM ··························································································································································· 131

Compatibility information ············································································································································ 132

ATM configuration task list ·········································································································································· 132

Configuring an ATM interface ···································································································································· 133

Configuring a PVC ······················································································································································· 133

Configuring a PVC-group ············································································································································ 133

Configuring the ATM AAL5 encapsulation type ······································································································· 134

Configuring the ATM service type ······························································································································ 135

Configuring applications carried by ATM ················································································································ 136

Configuring a VE interface ································································································································· 137

Configuring IPoA ················································································································································· 138

Configuring IPoEoA ············································································································································· 139

Configuring PPPoA ·············································································································································· 140

Configuring PPPoEoA ·········································································································································· 141

Configuring VP policing ·············································································································································· 142

Re-marking the CLP flag value of ATM cells ·············································································································· 142

Configuring ATM OAM functions ······························································································································ 143

Displaying and maintaining ATM ······························································································································ 144

ATM configuration examples ······································································································································ 144

IPoA configuration example ······························································································································· 144

IPoEoA configuration example ··························································································································· 146

PPPoA configuration example ···························································································································· 147

PPPoEoA configuration example························································································································ 148

ATM PVC transmission priority configuration example ··················································································· 150

Troubleshooting ATM ··················································································································································· 151

Link state error in IPoA application ··················································································································· 151

Link report error in PPPoA application ·············································································································· 151

Ping failure ··························································································································································· 151

PVC state is down when ATM interface state is up ························································································· 152

Ping failure after PPPoA configuration ·············································································································· 152

Managing a modem ··············································································································································· 153

Feature and hardware compatibility ·························································································································· 153

Modem management configuration task list ············································································································· 153

Configuring modem access services on a user line ································································································· 153

Setting the answer timeout timer ································································································································· 154

Setting the modem answer mode ······························································································································· 155

Enabling a modem to obtain caller numbers ············································································································ 155

Enabling modem callback ··········································································································································· 156

Issuing an AT command to a modem ························································································································ 156

Setting the country code of a modem ························································································································ 157