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LCOS 3.50
Manuel d'utilisateur
Lancom Systems LCOS 3.50 Manuel d'utilisateur Page 202
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Table des matières
MARQUE LIVRES
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/ 5. Basé sur
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LANCOM Refer
ence Manual LC
OS 3.50
Chapter 10: Virtual LANs (VL
ANs)
202
Virt
ua
l LAN
s (
VLAN
s)
The VLAN configuration shows up
under WEBco
nfig as follows:
1
2
...
197
198
199
200
201
202
203
204
205
206
207
...
345
346
Reference Manual
1
LANCOM LCOS 3.50
1
Contents
3
1Preface
10
2 System design
13
System design
14
Configuration and manage
15
3.2 Configuration software
16
LANCAPI
21
3.5.1 How to start a trace
26
3.5.2 Overview of the keys
27
3.5.4 Combination commands
28
3.5.5 Examples
29
3.8 Command line interface
32
3.8.1 Command line reference
33
3.9 Scheduled Events
34
4 Management
37
4.1.1 Application examples
38
Management
39
4.1.2 Configuration
42
5 Diagnosis
46
Diagnosis
47
5.2.1 How to start a trace
48
5.2.2 Overview of the keys
49
5.2.4 Combination commands
50
5.2.5 Examples
51
6 Security
52
Security
53
6.1.2 Login barring
54
6.2.1 Identification control
58
6.2.2 Callback
60
6.3 The security checklist
61
7 Routing and WAN connections
64
7.2 IP routing
66
7.2.2 Local routing
68
Configuration tool Menu/table
72
7.2.4 SYN/ACK speedup
73
7.3.1 Simple masquerading
74
Source IP Port
75
7.3.2 Inverse masquerading
78
7.4 N:N mapping
80
7.4.1 Application examples
81
7.4.2 Configuration
85
7.5.1 Name list
89
7.5.2 Layer list
90
Parameter Meaning
91
7.6.1 The protocol
92
In this column of
97
7.8 Callback functions
98
Routing and WAN
100
With this
100
8Firewall
104
8.1.3 The methods
105
8.1.4 The victims
106
8.2 What is a Firewall?
107
Firewall
108
8.3 The LANCOM Firewall
114
8.3.2 Special protocols
119
Configuration tool Run
132
Firewall wizard
141
Condition Description Object
148
Limit Description Object
148
Measure Description Object
150
8.3.9 Firewall diagnosis
151
Configuration tool
152
Element Element meaning
153
Entry Description
155
Flag Flag meaning
158
8.3.10 Firewall limitations
159
Detection
160
9 Quality of Service
168
Quality of Service
169
9.3 The queue concept
172
Packet size in bytes
180
1 64 128 256 512 1024 1500
180
9.7 QoS configuration
183
Transfer External
188
10 Virtual LANs (VLANs)
192
10.2.1 Frame tagging
193
Virtual LANs (VLANs)
194
10.2.3 Application examples
195
10.3 Configuration of VLANs
198
10.3.2 The port table
199
11 Wireless LAN – WLAN
203
Wireless LAN – WLAN
204
11.2.1 Some basic concepts
214
11.2.2 WEP
215
11.2.3 WEPplus
219
11.2.4 EAP and 802.1x
220
11.2.5 TKIP and WPA
223
11.2.6 AES and 802.11i
230
11.2.7 Summary
231
11.4.1 WLAN security
234
Configuration tool Menu/Table
235
11.4.2 General WLAN settings
243
√ (λ * d)
257
11.5.2 Antenna power
258
Maximum distance [km]
262
Mbps P2P P2mP
262
Assumed cable loss: 9 dB
263
Antenna gain: 8.5 dBi
263
Assumed cable loss: 6 dB
263
Office communications with
265
12.3 How to use the LANCAPI
270
12.4 The LANCOM CAPI Faxmodem
270
13.1.1 The DHCP server
272
Server services for the LAN
273
13.2 DNS
277
13.2.2 DNS forwarding
279
Configuration tool Run/Table
280
13.2.4 URL blocking
283
13.2.5 Dynamic DNS
284
13.3 Call charge management
285
13.4 The SYSLOG module
287
Source Meaning Facility
289
/etc/syslog.conf
290
/var/log/lancom.log
290
14.1 What does VPN offer?
291
Virtual Private Networks—
292
14.2 LANCOM VPN: an overview
295
14.2.3 LANCOM VPN functions
297
14.3.1 LAN-LAN coupling
298
14.5.3 Inspect VPN rules
309
14.6.1 Static/static
323
14.6.2 Dynamic/static
323
Branch_office
324
14.7 How does VPN work?
326
14.7.2 Alternatives to IPSec
328
14.8.5 Key management – IKE
335
16 Index
338
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