Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Instrukcja Użytkownika Strona 162
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Configuring and Troubleshooting Bay Dial VPN Services
C-20 302272-A Rev. 00
Remote Access
Concentrator does not
advertise updates.
(
continued
)
6. If your network is divided into
subnets, the IP subnet addresses
and subnet masks may not be set
correctly for the RAC and the SLIP
and PPP ports.
Verify the configured IP subnet
addresses and subnet masks for the
RAC and the SLIP and PPP ports.
7. If your network is divided into
subnets, the subnet routes may not
be correctly advertised if the
interface parameter
rip_sub_advertise
is set to
N
.
Verify that the
rip_sub_advertise
parameter is set to
Y
(the default).
8. Is
rip_horizon
set to
split
? If so,
there may not be any routes to
advertise on that interface.
Verify the setting of the rip_horizon
parameter. Refer to the description of
split horizon and poison reverse in
Managing Remote Access
Concentrators Using Command Line
Interfaces
.
9. RIP packets may be being filtered
out. For example, a filter that
discards outgoing UDP packets
also discards RIP packets, since
RIP runs on UDP.
To list all the defined filters, enter the
following CLI superuser commands:
annex:
su
password:
annex#
filter list
Refer to the description of filtering in
Managing Remote Access
Concentrators Using Command Line
Interfaces
.
10.Your hosts may be ignoring RIP
Version 2 updates.
Verify that the interface parameter
rip_send_version
is set to 1. Also
verify that the gateway is configured to
recognize and send RIP Version 2
updates.
(continued)
Table C-2. Remote Access Concentrator Troubleshooting Chart
(continued)
Problem/Symptom Possible Cause Action
- 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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