3com 3C840 Uživatelský manuál Strana 71
- Strana / 222
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
IP Testing (PING)
4-17
C:\_
It is not unusual for the first few attempts to time out. If you don't receive
a response the first time, try PINGing the router again. If you still don't
receive a response, the most likely cause is incorrect routing entries.
Option 3: Internet
Browser (Internet
Access Only)
If you are connecting to the Internet, start a web browser and enter an
address, such as http://www.3com.com. If the 3com web site home
page comes up, all is configured correctly and you are on your way!
Advanced
Troubleshooting
If the 3Com web site home page does not appear, the problem may be
incorrect DNS server addresses on your workstation.
For more detailed troubleshooting information, see “Troubleshooting”
.
840ug.book Page 17 Friday, July 7, 2000 2:23 PM
- 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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