R0106-HP MSR Router Series Layer 2 - WAN Configuration Guide(V7)

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3G modem management configuration example ····································································································· 150
Network requirements ········································································································································· 150
Configuration procedure ···································································································································· 150
4G modem management configuration example ···························································································· 151
Troubleshooting ···························································································································································· 151
Symptom ······························································································································································· 151
Solution ································································································································································· 151
Configuring DDR ····················································································································································· 153
Overview ······································································································································································· 153
Interfaces in DDR ················································································································································· 153
DDR implementations ·········································································································································· 153
DDR types ····························································································································································· 155
DDR configuration task list ·········································································································································· 156
Configuring basic settings for DDR ···························································································································· 157
Configuring physical interfaces ························································································································· 157
Configuring link layer/network/routing protocols on the dialup interface ··················································· 158
Associating a dial rule with a dialup interface ········································································································· 158
Configuring traditional DDR ······································································································································· 159
Configuring an interface to place calls ············································································································· 159
Configuring an interface to receive calls ·········································································································· 161
Configuring bundle DDR ············································································································································· 162
Configuring a dialer interface to place calls ···································································································· 162
Configuring a dialer interface to receive calls ································································································· 163
Configuring attributes for a dialup interface ············································································································· 164
Configuring MP for DDR ············································································································································· 165
Configuration restrictions and guidelines ········································································································· 166
Configuration procedure ···································································································································· 166
Configuring PPP callback ············································································································································ 167
Configuring the callback client ·························································································································· 167
Configuring the callback server ························································································································· 168
Configuring ISDN caller number callback ················································································································ 169
Overview ······························································································································································ 170
Configuration restrictions and guidelines ········································································································· 170
Configuring a callback server by using traditional DDR ················································································· 171
Configuring a callback server by using bundle DDR ······················································································ 171
Configuring auto-dial ··················································································································································· 171
Configuring dynamic route backup through DDR ···································································································· 172
Creating a dynamic route backup group ········································································································· 172
Enabling dynamic route backup on a backup interface ················································································· 173
Configuring the delay for disconnecting a backup link ·················································································· 173
Configuring the warm-up timer for dynamic route backup ············································································· 173
Disconnecting a dialup link ········································································································································· 174
Displaying and maintaining DDR ······························································································································· 174
DDR configuration examples ······································································································································ 174
PSTN-based traditional DDR configuration example ······················································································· 174
PSTN-based bundle DDR configuration example ····························································································· 177
ISDN-based traditional DDR configuration example ······················································································· 181
ISDN-based bundle DDR configuration example ····························································································· 182
MP for DDR configuration example ··················································································································· 186
ISDN caller number callback configuration example ······················································································ 188
Router-to-router PPP callback configuration example ······················································································· 189
Router-to-PC PPP callback configuration example ···························································································· 193
NT server-to-router PPP callback configuration example ················································································· 195
Configuration example for circular dial string backup and Internet access ················································· 197