R3102-R3103-HP 6600/HSR6600 Routers Layer 2 - WAN Configuration Guide
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PVC state is down while ATM interface state is up ··························································································· 27
Ping failure after PPPoA configuration ················································································································ 27
Packet loss and CRC errors and changes of interface state ············································································· 28
Configuring PPP and MP ··········································································································································· 29
Overview ········································································································································································· 29
PPP ·········································································································································································· 29
MP ··········································································································································································· 31
Configuring PPP ······························································································································································ 31
PPP configuration task list ····································································································································· 31
Enabling PPP encapsulation on an interface ······································································································ 31
Configuring PPP authentication ···························································································································· 32
Configuring PPP negotiation ································································································································ 36
Enabling PPP traffic statistics collection ··············································································································· 39
Restoring the default settings for an interface ···································································································· 39
Configuring MP ······························································································································································ 40
Configuration task list ··········································································································································· 40
Configuring MP by using a VT interface ············································································································· 41
Configuring MP through an MP-group interface ································································································ 44
Configuring short sequence number header format negotiation ····································································· 44
Configuring the MP endpoint descriptor ············································································································· 45
Configuring LFI ······························································································································································· 45
Displaying and maintaining PPP and MP ···················································································································· 47
PPP and MP configuration examples ··························································································································· 47
One-way PAP authentication configuration example ························································································ 47
Two-way PAP authentication configuration example ························································································ 49
One-way CHAP authentication configuration example ···················································································· 51
PPP IP address negotiation configuration example ···························································································· 54
MP configuration example ··································································································································· 55
MP binding mode configuration examples ········································································································· 57
Troubleshooting PPP configuration ······························································································································· 65
Configuring PPPoE ····················································································································································· 67
Overview ········································································································································································· 67
PPPoE network structure ········································································································································ 67
Protocols and standards ······································································································································· 68
Configuring a PPPoE server ·········································································································································· 68
Displaying and maintaining PPPoE ······························································································································ 69
PPPoE server configuration example ···························································································································· 70
Network requirements ··········································································································································· 70
Configuration procedure ······································································································································ 70
Configuring L2TP ························································································································································ 72
Overview ········································································································································································· 72
Typical L2TP networking application ··················································································································· 72
About L2TP ····························································································································································· 73
L2TP tunneling modes and tunnel establishment process ·················································································· 74
L2TP features ·························································································································································· 77
L2TP-based EAD ····················································································································································· 77
Protocols and standards ······································································································································· 78
L2TP configuration task list ············································································································································ 78
Configuring basic L2TP capability ······························································································································· 79
Configuring an LAC ······················································································································································· 80
Configuring an LAC to initiate tunneling requests for specified users ····························································· 80
Configuring an LAC to transfer AVP data in hidden mode ·············································································· 80
Configuring AAA authentication for VPN users on LAC side ··········································································· 81










