R0106-HP MSR Router Series Layer 2 - WAN Configuration Guide(V7)
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PPPoE client in on-demand mode configuration example ················································································· 51
PPPoE client in diagnostic mode configuration example ·················································································· 52
Configuration example for connecting a LAN to the Internet through an ADSL modem ······························· 53
Configuring L2TP ························································································································································ 57
Overview ········································································································································································· 57
Typical L2TP networking ······································································································································· 57
L2TP message types and encapsulation structure ······························································································ 58
L2TP tunnel and session ········································································································································ 58
L2TP tunneling modes and tunnel establishment process ·················································································· 58
L2TP features ·························································································································································· 62
Protocols and standards ······································································································································· 63
L2TP configuration task list ············································································································································ 63
Configuring basic L2TP capabilities ····························································································································· 64
Configuring an LAC ······················································································································································· 65
Configuring an LAC to initiate tunneling requests for a specified user ··························································· 65
Specifying LNS IP addresses ································································································································ 66
Configuring transferring AVP data in hidden mode ·························································································· 66
Configuring AAA authentication on an LAC ······································································································ 66
Configuring an LAC to automatically establish an L2TP tunnel ········································································ 67
Configuring an LNS ······················································································································································· 68
Creating a VT interface ········································································································································ 68
Configuring an LNS to accept L2TP tunneling requests from a specified LAC ··············································· 68
Configuring user authentication on an LNS ······································································································· 69
Configuring AAA authentication on an LNS ······································································································ 70
Configuring optional L2TP parameters ························································································································ 71
Configuring L2TP tunnel authentication ··············································································································· 71
Setting the Hello interval ······································································································································· 71
Enabling session flow control ······························································································································· 71
Configuring the DSCP value of L2TP packets ····································································································· 72
Configuring the VPN for a tunnel peer ··············································································································· 72
Displaying and maintaining L2TP ································································································································· 73
L2TP configuration examples ········································································································································ 73
Configuration example for NAS-initiated L2TP tunnel ······················································································· 73
Configuration example for client-initiated L2TP tunnel ······················································································ 75
Configuration example for LAC-auto-initiated L2TP tunnel ················································································ 77
Troubleshooting L2TP ····················································································································································· 79
Configuring HDLC ······················································································································································ 81
Enabling HDLC encapsulation on an interface ··········································································································· 81
Configuring the link status polling interval ·················································································································· 81
Displaying and maintaining HDLC ······························································································································· 82
HDLC configuration example ········································································································································ 82
Network requirements ··········································································································································· 82
Configuration procedure ······································································································································ 82
Verifying the configuration ··································································································································· 83
Configuring HDLC link bundling ······························································································································· 84
Overview ········································································································································································· 84
Basic concepts ······················································································································································· 84
States of member interfaces ································································································································· 84
Load balancing modes ········································································································································· 86
Configuring an HDLC link bundle interface ················································································································ 86
Configuration restrictions and guidelines ··········································································································· 86
Configuration procedure ······································································································································ 87
Assigning an interface to an HDLC link bundle ·········································································································· 88