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7-6
C
HAPTER
7: C
ONFI
GURING
DHCP
840ug.book Page 6 Friday, July 7, 2000 2:23 PM
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OfficeConnect™ Remote
1
840 SDSL Router User’s
1
3Com Corporation
2
5400 Bayfront Plaza
2
Santa Clara, California
2
95052-8145
2
ANAGEMENT
4
ROUBLESHOOTING
10
DDRESSING
11
How to Use This
16
Conventions
16
Document Notation
17
Safety Information
18
Year 2000
19
Compliance
19
What Is the
22
Remote 840?
22
What is an SDSL
23
What is ATM?
23
What is Frame
23
What is a BRouter?
24
What is a Remote
25
What is RFC 1483
26
What is DHCP?
27
What is RFC 1490?
27
What is PPP?
27
What is DNS?
28
What is Address
28
Translation?
28
What is DHCP
28
Smart Mode?
28
What Is Default
29
Bridge Mode?
29
Getting Started
29
Remote 840 Panel
30
Features
30
Table 1–2 DIP Switch Modes
32
How to Manage the
34
Quick Link Area Main Area
36
Where to Find More
37
Information
37
DMINISTRATION
39
Modifying the Date
41
Restoring Factory
41
Defaults
41
Controlling SNMP Access
43
Controlling TFTP
44
Assigning SNMP
45
Trap Managers
45
Assigning Syslog
46
Managers
46
Managing a
48
Remote Site Profile
48
Configuring
50
Network Service
50
Information (PPP /
50
RFC 1483 / RFC
50
Configuring ATM
52
Configuring ATM Information
53
Protocol Parameters
54
Monitoring Remote
54
Site Connections
54
Enabling IP Routing
56
Configuring IP for
56
Configuring IP for the LAN
57
Configuring IP RIP
59
Configuring IP
65
Using IP Address
66
Validation
66
Using IP Address Validation
67
Monitoring
68
IP Testing (PING)
68
Bridging for the
75
Connections
76
Bridging IP Traffic
77
MAC-Encapsulated
78
Bridge Firewall
79
Advanced Bridging
81
Default Bridge
82
Bridging
83
Testing Bridging
83
Selecting Address
85
Translation
85
Configuring the PAT
86
Default Address
86
PAT Port Entries
87
Configuring NAT
88
Configuring the
92
DHCP Mode
92
DHCP Server
93
DHCP Relay
94
Monitoring DHCP
94
DHCP Smart Mode
94
Configuring DNS
98
Remote DNS
98
Configuring Static
100
DNS Host Entries
100
ONFIGURING
101
Configuring IPX for
102
Remote Sites
103
Connection
103
Configuring IPX
105
Static and Framed
105
Services
107
Configuring IPX RIP
110
Configuring IPX RIP and SAP
111
Monitoring IPX
112
IPX Testing
112
Introduction
115
Obtaining Updated
115
OfficeConnect
115
Remote 840
115
Software
115
Installing
116
Operational
116
Software to the
116
Remote 840 Unit
116
ONITORING
119
Ethernet Interface
121
Interface Status
123
Remote Site
125
Address Translation
129
Events Logs
133
Filtering
136
Capabilities
136
Table 12–1 Data Filters
137
__ (0- 1514 bytes)
143
LAN Connection
151
Problems
151
IP Wizard and Web
151
Browser Problems
151
WAN Connection
154
General Network
155
IP Network
157
IPX Network
160
Bridge Connection
161
Bridging and
163
Routing Concepts
163
How Bridges Learn
164
Network
168
Organization
168
Structure, and
168
Physical Layout
168
Figure A–3 Example Network
169
IP Routing
171
IP Addressing Basics
175
B: IP A
176
RANSLATION
183
Network Address
184
Translation (NAT)
184
Figure C–1 NAT Example
185
Port Address
186
Translation (PAT)
186
Figure C–2 PAT Example
187
Overview
189
Instructions for
191
Internet Access
191
Telecommuting /
197
Remote Office
197
Using the
203
Configuration
203
Saving the
204
Te s t i n g t h e
204
TECHNICAL SUPPORT
205
Support from 3Com
206
Returning Products
206
3Com Corporation L
219
TATEMENT
221
ECLARATION
221
ONFORMITY
221
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