Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Uživatelský manuál Strana 145
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Hodnocené. / 5. Na základě hodnocení zákazníků
Troubleshooting
302272-A Rev. 00 C-3
5.
Back up your files.
Store backup copies of the configuration files on the Site Manager
workstation. Use a log to record the location, name, purpose, and backup date
of every configuration file you back up. Organizing and naming the backup
files on the Site Manager workstation can also help you prevent confusion.
6.
Maintain consistent files in multiple memory cards.
If the router uses multiple memory cards, make sure that each file is consistent
in each memory card designated for storing files of that type. For example, if
you change a router’s software image or configuration file, save the file to
each memory card that contains the same files.
To make sure that the files of the same name are consistent on multiple
memory cards, display the directory of each card and compare the sizes of
each file.
7.
Handle memory cards carefully to prevent static damage.
Static electricity can damage memory cards; always use an antistatic wrist
strap when handling them.
8.
Call the Bay Networks Technical Solutions Center if a Technician
Interface
prom
command fails. Do not reboot.
If you reboot after a
prom command fails, a Bay Networks representative
must reinsert new programmable, read-only memory (PROM) chips on the
board and rewrite the PROM software to them before the router can recover.
Preparing to Troubleshoot
The first step in troubleshooting your network is to determine exactly what is
happening; that is, to write down a detailed description of the problem -- what the
system is doing as well as what it is not doing.
Caution:
Always back up a file before deleting it. This includes configuration
and log files. Always back up the current log file on the Site Manager
workstation before clearing it; you may want to refer to it later to troubleshoot
a problem.
- Configuring and 1
- Troubleshooting Bay Dial 1
- VPN Services 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 302272-A Rev. 00 vii 7
- 302272-A Rev. 00 ix 9
- 302272-A Rev. 00 xi 11
- 302272-A Rev. 00 13
- About This Guide 15
- Conventions 16
- Acronyms 17
- Bay Networks Customer Service 19
- How to Get Help 19
- Chapter 1 21
- Tunneling Overview 21
- What Is Tunneling? 22
- Layer 3 Tunneling 24
- Layer 2 Tunneling 24
- DVS0012A 26
- Dial VPN Network Components 27
- 1-8 302272-A Rev. 00 28
- 1-10 302272-A Rev. 00 30
- 1-12 302272-A Rev. 00 32
- Where to Go Next 34
- Chapter 2 35
- Dial VPN Layer 2 Tunneling 35
- 2-2 302272-A Rev. 00 36
- L2T0003A 36
- 302272-A Rev. 00 2-3 37
- L2TP Packet Encapsulation 38
- 2-6 302272-A Rev. 00 40
- Security in an L2TP Network 41
- 2-8 302272-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
- 302272-A Rev. 00 2-13 47
- 2-14 302272-A Rev. 00 48
- Chapter 3 49
- Dial VPN Layer 3 Tunneling 49
- 3-2 302272-A Rev. 00 50
- DVS0001A 50
- 302272-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 302272-A Rev. 00 62
- 3-16 302272-A Rev. 00 64
- 3-18 302272-A Rev. 00 66
- DVS0007A 66
- Chapter 4 69
- 4-2 302272-A Rev. 00 70
- <acp or RADIUS> 71
- 4-4 302272-A Rev. 00 72
- 302272-A Rev. 00 4-5 73
- 4-6 302272-A Rev. 00 74
- Configuring Active RIP 75
- Chapter 5 77
- Tunnel Management Commands 80
- Command Arguments 81
- 5-12 302272-A Rev. 00 88
- 0013ABC0:001234560000 88
- Chapter 6 89
- 6-2 302272-A Rev. 00 90
- 302272-A Rev. 00 6-3 91
- DVS0015A 91
- Using RADIUS Accounting 92
- RADIUS server 93
- Chapter 7 99
- 7-2 302272-A Rev. 00 100
- 302272-A Rev. 00 7-3 101
- 7-4 302272-A Rev. 00 102
- Gateway Accounting Messages 103
- Chapter 8 105
- DVS0008A 106
- 8-2 302272-A Rev. 00 106
- 302272-A Rev. 00 8-3 107
- (continued) 108
- 302272-A Rev. 00 8-7 111
- 8-8 302272-A Rev. 00 112
- 302272-A Rev. 00 8-9 113
- Enabling L2TP 117
- Configuration is completed 118
- (continued) 121
- 8-18 302272-A Rev. 00 122
- field, which by 123
- Creating a Superscope 125
- Chapter 9 127
- Managing a Dial VPN Network 127
- 9-2 302272-A Rev. 00 128
- Appendix A 129
- Planning Worksheet 129
- A-2 302272-A Rev. 00 130
- For Each Destination Site 131
- For Each Remote Node 132
- Appendix B 133
- Syslog Messages 133
- TMS Syslog Messages 136
- Appendix C 143
- Troubleshooting 143
- Preventing Problems 144
- Preparing to Troubleshoot 145
- Troubleshooting Worksheet 146
- 302272-A Rev. 00 C-5 147
- Troubleshooting and Testing 148
- Cable Guide 148
- C-8 302272-A Rev. 00 150
- Caution: Avoid using the 151
- Caution: 152
- 302272-A Rev. 00 C-11 153
- C-12 302272-A Rev. 00 154
- 302272-A Rev. 00 C-13 155
- C-14 302272-A Rev. 00 156
- Managing 161
- Remote Access Concentrators 161
- Using Command Line Interfaces 161
- Managing Remote 163
- Access Concentrators Using 163
- Command Line Interfaces 163
- C-22 302272-A Rev. 00 164
- DVS0005A 165
- C-24 302272-A Rev. 00 166
- Troubleshooting the LAC 167
- Troubleshooting the LNS 168
- C-32 302272-A Rev. 00 174
- Glossary 175
- Glossary-6 302272-A Rev. 00 180
- Tunnel Management 180
- System (TMS) 180
- Virtual Private 180
- Network (VPN) 180
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