R3303-HP 6600/HSR6600 Routers Layer 2 - WAN Configuration Guide
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Configuring basic L2TP capability ······························································································································· 81
Configuring an LAC ······················································································································································· 82
Configuring an LAC to initiate tunneling requests for specified users ····························································· 82
Configuring an LAC to transfer AVP data in hidden mode ·············································································· 82
Configuring AAA authentication for VPN users on LAC side ··········································································· 83
Configuring an LNS ······················································································································································· 84
Creating a VT interface ········································································································································ 84
Configuring the local address and the address pool for allocation ································································ 84
Configuring an LNS to grant certain L2TP tunneling requests ·········································································· 85
Configuring user authentication on an LNS ······································································································· 85
Configuring AAA authentication for VPN users on an LNS ············································································· 87
Enabling L2TP for VPNs ········································································································································ 87
Configuring support of LNS for the IMSI or SN in PPP LCP negotiation ························································· 87
Configuring L2TP connection parameters ···················································································································· 88
Configuring L2TP tunnel authentication ··············································································································· 88
Setting the hello interval ······································································································································· 89
Enabling tunnel flow control ································································································································· 89
Disconnecting tunnels by force ···························································································································· 90
Displaying and maintaining L2TP ································································································································· 90
L2TP configuration examples ········································································································································ 90
Configuration example for NAS-initiated VPN ·································································································· 90
Configuration example for client-initiated VPN ·································································································· 92
Configuration example for L2TP multi-domain application ··············································································· 94
Complicated network application ······················································································································· 97
Troubleshooting L2TP ····················································································································································· 98
Configuring HDLC ······················································································································································ 99
HDLC frame format and frame type ····························································································································· 99
Enabling HDLC encapsulation on an interface ··········································································································· 99
Configuring an IP address for an interface ··············································································································· 100
Configuring the link status polling interval ················································································································ 100
HDLC configuration examples ···································································································································· 101
Basic HDLC configuration example ··················································································································· 101
HDLC in conjunction with IP unnumbered interface configuration example ················································· 102
Configuring HDLC link bundling ···························································································································· 104
Overview ······································································································································································· 104
Basic concepts of HDLC link bundling ·············································································································· 104
How HDLC link bundling works ························································································································· 105
Configuring an HDLC link bundle interface ·············································································································· 106
Assigning an interface to an HDLC link bundle ········································································································ 108
Displaying and maintaining HDLC link bundling ····································································································· 109
HDLC link bundling configuration example ·············································································································· 109
Network requirements ········································································································································· 109
Configuration procedure ···································································································································· 110
Configuring frame relay ········································································································································· 112
Overview ······································································································································································· 112
Frame relay interface types ································································································································ 112
Virtual circuit ························································································································································ 113
Data link connection identifier ··························································································································· 113
Frame relay address mapping ··························································································································· 113
LMI protocol ························································································································································· 114
Typical application scenarios ···························································································································· 115
Frame relay configuration task list ····························································································································· 115
Configuring DTE side frame relay ······························································································································ 116