H3C SR8800-F Configuration Manual page 13

Configuring L2TP ········································································· 250
About L2TP ·························································································································· 250
Typical L2TP networking ··································································································· 250
L2TP message types and encapsulation structure ·································································· 250
L2TP tunnel and session ··································································································· 251
L2TP tunneling modes and tunnel establishment process ························································ 251
L2TP features ················································································································· 254
L2TP-based EAD ············································································································ 256
Protocols and standards ··································································································· 256
Restrictions: Hardware compatibility with L2TP ············································································ 256
Restrictions and guidelines: L2TP configuration ············································································ 256
L2TP tasks at a glance ············································································································ 257
Configuring basic L2TP capabilities ··························································································· 258
Configuring an LAC ················································································································ 258
Configuring an LAC to initiate tunneling requests for a user ······················································ 258
Specifying LNS IP addresses ····························································································· 259
Configuring the source IP address of L2TP tunnel packets ······················································· 259
Configuring each L2TP user to use an L2TP tunnel exclusively ················································· 259
Enabling transferring AVP data in hidden mode ····································································· 260
Configuring AAA authentication on an LAC ··········································································· 260
Configuring an LAC to automatically establish an L2TP tunnel ·················································· 260
Configuring an LNS ················································································································ 261
Creating a VT interface ····································································································· 262
Configuring an LNS to accept L2TP tunneling requests from an LAC ·········································· 262
Configuring user authentication on an LNS ··········································································· 262
Configuring AAA authentication on an LNS ··········································································· 264
Setting the maximum number of ICRQ packets that the LNS can process per second ···················· 264
Configuring optional L2TP parameters ························································································ 264
Configuring L2TP tunnel authentication ················································································ 264
Setting the Hello interval ··································································································· 265
Setting the DSCP value of L2TP packets ·············································································· 265
Setting the TSA ID of the LTS ···························································································· 265
Enabling L2TP-based EAD ······································································································ 266
Configuring IMSI/SN binding authentication on the LNS ································································· 266
Display and maintenance commands for L2TP ············································································· 267
L2TP configuration examples ··································································································· 267
Example: Configuring a NAS-initiated L2TP tunnel ································································· 267
Example: Configuring a client-initiated L2TP tunnel ································································ 270
Example: Configuring an LAC-auto-initiated L2TP tunnel ························································· 271
Troubleshooting L2TP ············································································································· 273
Failure to access the private network ··················································································· 273
Data transmission failure ··································································································· 274
L2TP user offline ············································································································· 274
Configuring PPPoE ······································································· 275
About PPPoE ························································································································ 275
PPPoE network structure ········································································································· 275
Router-initiated network structure ······················································································· 275
Host-initiated network structure ·························································································· 276
Protocols and standards ·········································································································· 276
Restrictions: Hardware compatibility with IPoE ············································································· 276
Restrictions and guidelines: PPPoE configuration ········································································· 276
Configuring the PPPoE server ·································································································· 277
PPPoE server tasks at a glance ························································································· 277
Configuring a PPPoE session ···························································································· 277
Setting the maximum number of PPPoE sessions ·································································· 278
Limiting the PPPoE access rate ·························································································· 278
Configuring the NAS-Port-ID attribute ·················································································· 279
Enabling PPPoE users to come online despite the PPPoE-NAT444 collaboration failure ················ 280
Setting the maximum number of PADI packets that the device can receive per second ·················· 281
Configuring PPPoE user blocking ······················································································· 281
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