R3303-HP HSR6800 Routers Layer 2 - WAN Configuration Guide
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Configuring basic L2TP capability ······························································································································· 80
Configuring an LAC ······················································································································································· 81
Configuring an LAC to initiate tunneling requests for specified users ····························································· 81
Configuring an LAC to transfer AVP data in hidden mode ·············································································· 81
Configuring AAA authentication for VPN users on LAC side ··········································································· 82
Configuring an LNS ······················································································································································· 83
Creating a VT interface ········································································································································ 83
Configuring the local address and the address pool for allocation ································································ 83
Configuring an LNS to grant certain L2TP tunneling requests ·········································································· 84
Configuring user authentication on an LNS ······································································································· 84
Configuring AAA authentication for VPN users on an LNS ············································································· 86
Enabling L2TP for VPNs ········································································································································ 86
Configuring support of LNS for the IMSI or SN in PPP LCP negotiation ························································· 86
Configuring L2TP connection parameters ···················································································································· 87
Configuring L2TP tunnel authentication ··············································································································· 87
Setting the hello interval ······································································································································· 88
Enabling tunnel flow control ································································································································· 88
Disconnecting tunnels by force ···························································································································· 89
Displaying and maintaining L2TP ································································································································· 89
L2TP configuration examples ········································································································································ 89
Configuration example for NAS-initiated VPN ·································································································· 89
Configuration example for client-initiated VPN ·································································································· 91
Configuration example for L2TP multi-domain application ··············································································· 93
Complicated network application ······················································································································· 96
Troubleshooting L2TP ····················································································································································· 97
Configuring HDLC ······················································································································································ 98
HDLC frame format and frame type ····························································································································· 98
Enabling HDLC encapsulation on an interface ··········································································································· 98
Configuring an IP address for an interface ················································································································· 99
Configuring the link status polling interval ·················································································································· 99
HDLC configuration examples ···································································································································· 100
Basic HDLC configuration example ··················································································································· 100
HDLC in conjunction with IP unnumbered interface configuration example ················································· 101
Configuring HDLC link bundling ···························································································································· 103
Overview ······································································································································································· 103
Basic concepts of HDLC link bundling ·············································································································· 103
How HDLC link bundling works ························································································································· 104
Configuring an HDLC link bundle interface ·············································································································· 105
Assigning an interface to an HDLC link bundle ········································································································ 107
Displaying and maintaining HDLC link bundling ····································································································· 108
HDLC link bundling configuration example ·············································································································· 108
Network requirements ········································································································································· 108
Configuration procedure ···································································································································· 108
Configuring frame relay ········································································································································· 111
Overview ······································································································································································· 111
Frame relay interface types ································································································································ 111
Virtual circuit ························································································································································ 112
Data link connection identifier ··························································································································· 112
Frame relay address mapping ··························································································································· 112
LMI protocol ························································································································································· 113
Typical application scenarios ···························································································································· 114
Frame relay configuration task list ····························································································································· 114
Configuring DTE side frame relay ······························································································································ 115