R3102-R3103-HP 6600/HSR6600 Routers Layer 2 - WAN Configuration Guide
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Configuring an LNS ······················································································································································· 82
Creating a VT interface ········································································································································ 82
Configuring the local address and the address pool for allocation ································································ 82
Configuring an LNS to grant certain L2TP tunneling requests ·········································································· 83
Configuring user authentication on an LNS ······································································································· 83
Configuring AAA authentication for VPN users on an LNS ············································································· 85
Enabling L2TP for VPNs ········································································································································ 85
Configuring support of LNS for the IMSI or SN in PPP LCP negotiation ························································· 85
Configuring L2TP connection parameters ···················································································································· 86
Configuring L2TP tunnel authentication ··············································································································· 86
Setting the hello interval ······································································································································· 87
Enabling tunnel flow control ································································································································· 87
Disconnecting tunnels by force ···························································································································· 88
Displaying and maintaining L2TP ································································································································· 88
L2TP configuration examples ········································································································································ 88
Configuration example for NAS-initiated VPN ·································································································· 88
Configuration example for client-initiated VPN ·································································································· 90
Configuration example for L2TP multi-domain application ··············································································· 92
Complicated network application ······················································································································· 95
Troubleshooting L2TP ····················································································································································· 96
Configuring HDLC ······················································································································································ 97
HDLC frame format and frame type ····························································································································· 97
Enabling HDLC encapsulation on an interface ··········································································································· 97
Configuring an IP address for an interface ················································································································· 98
Restoring the default settings for an interface ············································································································· 98
Configuring the link status polling interval ·················································································································· 99
HDLC configuration examples ······································································································································ 99
Basic HDLC configuration example ····················································································································· 99
HDLC in conjunction with IP unnumbered interface configuration example ················································· 100
Configuring HDLC link bundling ···························································································································· 102
Overview ······································································································································································· 102
Basic concepts of HDLC link bundling ·············································································································· 102
How HDLC link bundling works ························································································································· 103
Configuring an HDLC link bundle interface ·············································································································· 104
Assigning an interface to an HDLC link bundle ········································································································ 106
Displaying and maintaining HDLC link bundling ····································································································· 107
HDLC link bundling configuration example ·············································································································· 107
Network requirements ········································································································································· 107
Configuration procedure ···································································································································· 108
Configuring frame relay ········································································································································· 110
Overview ······································································································································································· 110
Frame relay interface types ································································································································ 110
Virtual circuit ························································································································································ 111
Data link connection identifier ··························································································································· 111
Frame relay address mapping ··························································································································· 111
LMI protocol ························································································································································· 112
Typical application scenarios ···························································································································· 113
Frame relay configuration task list ····························································································································· 113
Configuring DTE side frame relay ······························································································································ 114
Configuring basic DTE side frame relay ··········································································································· 114
Configuring frame relay address mappings ····································································································· 114
Configuring a frame relay local virtual circuit ································································································· 115
Configuring a frame relay subinterface ············································································································ 116