Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Uživatelský manuál Strana 38
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Hodnocené. / 5. Na základě hodnocení zákazníků
Configuring and Troubleshooting Bay Dial VPN Services
2-4 303509-A Rev 00
• The CPE router that is the end point of Layer 2 tunnels is configured as
the LNS and is configured with a frame relay or PPP connection to the
ISP network (including a static route and an adjacent host if the CPE
router is not a Cisco device).
For instructions on configuring the LNS, see Configuring L2TP Services.
• Any shared information, such as passwords, “secrets,” or phone numbers,
is consistent across the link.
9.
Individually test each network component, then test the entire system.
L2TP Packet Encapsulation
The dial-in user sends PPP packets to the LAC, which encapsulates these
incoming packets in an L2TP packet and sends it across an IP network through a
bidirectional tunnel. After the LNS receives the packets, it decapsulates them and
terminates the PPP connection.
Figure 2-2
shows how data is encapsulated for transmission over an L2TP tunnel.
- Configuring and 1
- Troubleshooting Bay Dial 1
- VPN Services 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 303509-A Rev 00 vii 7
- 303509-A Rev 00 ix 9
- 303509-A Rev 00 xi 11
- 303509-A Rev 00 13
- Before You Begin 15
- Text Conventions 15
- Acronyms 17
- How to Get Help 19
- Chapter 1 21
- Tunneling Overview 21
- What Is Tunneling? 22
- Layer 3 Tunneling 24
- Layer 2 Tunneling 24
- 1-6 303509-A Rev 00 26
- Dial VPN Network Components 27
- 1-8 303509-A Rev 00 28
- 1-10 303509-A Rev 00 30
- 1-12 303509-A Rev 00 32
- Where to Go Next 34
- Chapter 2 35
- Dial VPN Layer 2 Tunneling 35
- 2-2 303509-A Rev 00 36
- L2T0003A 36
- 303509-A Rev 00 2-3 37
- L2TP Packet Encapsulation 38
- 2-6 303509-A Rev 00 40
- Security in an L2TP Network 41
- 2-8 303509-A Rev 00 42
- RADIUS User Authentication 43
- RADIUS Accounting 44
- L2TP IP Interface Addresses 44
- Starting an L2TP Session 45
- Examples of L2TP Tunnels 46
- 303509-A Rev 00 2-13 47
- 2-14 303509-A Rev 00 48
- Chapter 3 49
- Dial VPN Layer 3 Tunneling 49
- 3-2 303509-A Rev 00 50
- 303509-A Rev 00 3-3 51
- How Tunnel Management Works 52
- How the TMS Database Works 54
- How DHCP Works 55
- shows the entire process 56
- Assigning Addresses 58
- Starting the Connection 60
- 3-14 303509-A Rev 00 62
- 3-16 303509-A Rev 00 64
- 3-18 303509-A Rev 00 66
- DVS0007A 66
- Chapter 4 69
- 4-2 303509-A Rev 00 70
- <acp_or_RADIUS> 71
- stats -o 72
- <called_number> 73
- Configuring Active RIP 75
- Chapter 5 77
- Configuring TMS and Security 77
- for erpcd Networks 77
- 5-2 303509-A Rev 00 78
- 303509-A Rev 00 5-3 79
- Tunnel Management Commands 80
- All commands except 81
- Command Arguments 82
- 303509-A Rev 00 5-13 89
- 0013ABC0:001234560000 89
- Chapter 6 91
- 6-2 303509-A Rev 00 92
- 303509-A Rev 00 6-3 93
- DVS0015A 93
- Using RADIUS Accounting 94
- RADIUS server 95
- Messages.” 99
- Chapter 7 101
- 7-2 303509-A Rev 00 102
- <slot_number> 103
- Caution: 104
- Gateway Accounting Messages 105
- Chapter 8 107
- 8-2 303509-A Rev 00 108
- DVS0008A 108
- 303509-A Rev 00 8-3 109
- (continued) 110
- 303509-A Rev 00 8-7 113
- 8-8 303509-A Rev 00 114
- 303509-A Rev 00 8-9 115
- Enabling L2TP 119
- (continued) 123
- Framed-IPX-Network 124
- 303509-A Rev 00 8-19 125
- Creating a Superscope 127
- Chapter 9 129
- Managing a Dial VPN Network 129
- 9-2 303509-A Rev 00 130
- Appendix A 131
- Planning Worksheet 131
- A-2 303509-A Rev 00 132
- For Each Destination Site 133
- For Each Remote Node 134
- Appendix B 135
- Syslog Messages 135
- TMS Syslog Messages 138
- Appendix C 145
- Troubleshooting 145
- Preventing Problems 146
- Preparing to Troubleshoot 147
- Troubleshooting Worksheet 148
- 303509-A Rev 00 C-5 149
- Troubleshooting Routers 150
- Cable Guide 150
- C-8 303509-A Rev 00 152
- 303509-A Rev 00 C-11 155
- C-12 303509-A Rev 00 156
- 303509-A Rev 00 C-13 157
- C-14 303509-A Rev 00 158
- Managing 163
- Remote Access Concentrators 163
- Using Command Line Interfaces 163
- Managing Remote 165
- Access Concentrators Using 165
- Command Line Interfaces 165
- C-22 303509-A Rev 00 166
- DVS0005A 167
- C-24 303509-A Rev 00 168
- Troubleshooting the LAC 169
- Troubleshooting the LNS 170
- C-32 303509-A Rev 00 176
- Glossary 177
- Glossary-6 303509-A Rev 00 182
- Tunnel Management 182
- System (TMS) 182
- Virtual Private 182
- Network (VPN) 182
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