Cisco 2511 - Router - EN manuals

Cisco 2511 - Router - EN User's Guide (174 pages)

Brand: Cisco | Category: Access control readers | Size: 1.06 MB |

English

Italian

Table of contents

About This Guide

1

Document Organization

2

Document Conventions

3

Safety Warnings.”

4

Overview of the Cisco 2500

5

Access Server Services

7

System Speciﬁcations

8

System Specifications

10

2500 Series Access Server

11

Safety Recommendations

12

General Site Requirements

13

Site Environment

14

Preventive Site Conﬁguration

14

Power Supply Considerations

15

Installation Checklist

16

Creating a Site Log

17

Cabling Considerations

17

Distance Limitations

18

Console Port Connections

20

Auxiliary Port Connections

20

Ethernet Connections

20

• Slide latch connectors

21

• Jackscrew connectors

21

Inspecting the System

22

• Warranty pack

23

Access Server

25

Required Tools and Parts

26

Installing the Rubber Feet

27

Rack-Mounting the Chassis

28

19-Inch Rack

29

Telco Rack

30

Wall-Mounting the Chassis

31

Vertical

32

Power supply

32

Connecting to the Network

33

RJ-45 to DB-25 adapter

36

Connector plugged into the

36

Access server

36

Modem or terminal

36

AUX SER 0 ETH

39

Conﬁguring the Cisco 2500

41

Additional Publications

42

Contacting Customer Service

42

• WWW: http://www.cisco.com

43

• Telnet: cio.cisco.com

43

• Chassis serial number

43

• Maintenance contract number

43

• Phone: 32 2 778 42 42

44

• Fax: 32 2 778 43 00

44

• E-mail: [email protected]

44

Conﬁguring the Access Server

45

Router> enable

46

Configuring the Access Server

47

Checking Your Settings

57

Internetworking Primer

59

• Internal memory components

60

• Command modes

60

• Conﬁguration ﬁles

60

ROM Monitor

62

Boot ROM

62

Cisco IOS

63

Command Modes

63

EXEC Modes

64

User EXEC Mode

64

Privileged EXEC Mode

64

Conﬁguration Mode

65

Conﬁguration Files

66

LANs and WANs

67

LAN Technologies

69

Ethernet LANs

70

Conﬁguring Ethernet

70

Token Ring LANs

70

Conﬁguring Token Ring

71

LAN Addressing

71

WAN Technologies

72

WAN Physical Layer (Layer 1)

73

Master Clock Timing

73

WAN Data Link Layer

74

Point-to-Point WANs

75

High-Level Data Link Control

75

Point-to-Point Protocol

76

Multipoint WAN Technologies

76

• Fully meshed topology

77

• Partially meshed topology

77

Desktop Protocols

78

Routed Protocol Design Goals

79

Routing Protocols

81

Internet Protocol

82

IP Network Numbering

83

IP Node Numbering

84

IP Routing Protocols

84

IP Directory Services

85

IP Conﬁguration Example

85

IPX Protocol

86

• IPX RIP

87

• IPX enhanced IGRP

87

• Novell Link State Protocol

87

IPX Directory Services

88

IPX Data Link Encapsulations

88

AppleTalk Protocol

89

AppleTalk Network Numbering

90

AppleTalk Node Numbering

91

AppleTalk Routing Protocols

92

AppleTalk Directory Services

92

• Conﬁguring the Modem

95

• Data transfer (TX/RX)

96

• Modem control (DTR/DCD)

96

Data Transfer (TX/RX)

97

Modem Control (DTR/DCD)

98

Conﬁguring the Line

99

Security Commands

99

Global commands

99

Line security options

100

Communicating with the Modem

101

Testing the Modem Connection

102

Conﬁguring the Modem

103

Locking EIA/TIA-232 Speed

104

Correct DCD Operation

104

Other Modem Settings

105

Best error correction

105

Best data compression

105

Answering calls

105

Proper DTR Interpretation

105

Initializing the Modem

106

Asynchronous Protocols

107

The EXEC Session

108

Launching Autoselect

108

Conﬁguring Asynchronous Ports

109

Modem Conﬁguration

110

Conﬁguring PPP, SLIP, and ARA

110

Serial Line Internet Protocol

112

Conﬁguration Example

113

Maintaining the Cisco 2500

115

Series Access Server

115

Opening the Chassis

116

Screw Slot

117

Flat-blade screwdriver

117

CODE 1 CODE 0

118

• Two boot PROMs

119

Upgrading the Boot PROMs

120

• ESD-preventive wrist strap

122

Replacing System-Code SIMMs

124

Closing the Chassis

126

Replacing the Cover

127

> o/r 0x042

129

Press RETURN to get started!

129

• Recover a lost password

132

• Enable or disable Break

132

> b [tftp] flash filename

134

Copying to Flash Memory

137

Cable Speciﬁcations

139

EIA/TIA-232

143

EIA/TIA-449

146

Token Ring Pinout

156

Pin 1 and pin 8

161

Translated Safety Warnings

163

Jewelry Removal Warning

164

Installation Warning

166

TN Power Statement

166

Circuit Breaker (15A) Warning

167

SELV Circuit Warning

168

Power Supply Warning

171

Lightning Activity Warning

173

Cisco devices