Cisco 1721 - VPN Security Router Bundle Manuel

CHAPTER

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Cisco 1721 Router Overview

This chapter introduces the Cisco 1721 router, also referred to in this guide as the

router, and covers the following topics:

•Key Features

•Back Panel Ports and LEDs

•Front Panel LEDs

•Router Memory

•Unpacking the Router

•Additional Required Equipment

Chapter 1 Cisco 1721 Router Overview

Key Features

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Key Features

The Cisco 1721 router (see Figure 1-1) is a small, modular desktop router that

links small- to medium-size remote Ethernet and Fast Ethernet LANs over one to

four WAN connections to regional and central offices. Table 1-1 lists the key

features of the router.

Figure 1-1 Cisco 1721 Router

PWR ACT

ACT/CH0

ACT/CH1

ACT/CH0

WIC0WIC1 ETH

ACT/CH1 COL

Cisco

1700

SERIES

ROUTER

12154

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Chapter 1 Cisco 1721 Router Overview

Key Features

Table 1-1 Key Features

Feature Description

One Fast Ethernet

(10/100BASE-TX) port

•Operates in full- or half-duplex mode (with manual

override available).

•Supports autosensing for 10- or 100-Mbps operation.

•Supports IEEE 802.1Q VLAN encapsulation.

Two Cisco WAN interface card

(WIC) slots

•Supports a combination of any two of the following WICs:

ISDN BRI, 56-kbps DSU/CSU, FT1/T1 DSU/CSU,

high-speed serial, dual-serial, ADSL, G.SHDSL, and

Ethernet.

•The WAN interface configuration can be changed as your

network requirements change.

Console port Supports router configuration and management with a

directly-connected terminal or PC. Supports up to 115.2 kbps.

Auxiliary port Supports modem connection to the router, which can be

configured and managed from a remote location. Supports up to

115.2 kbps.

VPN hardware-assisted 3DES

encryption module

Provides IPSEC DES and 3DES hardware encryption.

SNMP support Router can be managed over a network using Simple Network

Management Protocol (SNMP).

AutoInstall support Configuration files can be easily downloaded to the router over

a WAN connection.

Kensington security slot Router can be secured to a desktop or other surface using

Kensington lockdown equipment.

Cisco ConfigMaker support You can set up networks that include the Cisco 1721 router

using the Cisco ConfigMaker application, a wizards-based

software tool that helps you easily configure and address Cisco

routers, access servers, hubs, switches, and networks.

Support for Cisco IOS software

features

Supports IP, IPX, AppleTalk, IBM, Open Shortest Path First

(OSPF), NetWare Link Services Protocol (NLSP), Resource

Reservation Protocol (RSVP), encryption, network address

translation, and the Cisco IOS Firewall Feature Set.

Chapter 1 Cisco 1721 Router Overview

Back Panel Ports and LEDs

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Back Panel Ports and LEDs

This section describes the router back panel ports and LEDs, which are shown in

Figure 1-2 and described in Table 1-2 and Table 1-3.

Figure 1-2 Back Panel Ports and LEDs

Table 1-2 Back Panel Connectors

Connector/Slot Label/Color Description

Ethernet port 10/100

ETHERNET

(yellow)

Connects the router to the local Ethernet network

through this port. This port autosenses the speed

(10 Mbps or 100 Mbps) and duplex mode (full- or half-)

of the device to which it is connected and then operates

at the same speed and in the same duplex mode.

Auxiliary port AUX

(black)

Connects to a modem for remote configuration with

Cisco IOS software.

Console port CONSOLE

(blue)

Connects to a terminal or PC for local configuration

using Cisco IOS software.

Power

socket

+5, +12, -12 VDC

CONSOLE

10/100 ETHERNET AUX

FDX LINK100WIC 0 OK WIC 1 OKMOD OK

Power switch

Model

Cisco 1721

65524

FDX/100/

LINK LEDs

Auxiliary port

Kensington-compatible

locking socket

WIC 0

OK LED

10/100-Mbps

Ethernet port

MOD OK

LED

WIC 1 OK

LED

WIC 0 slot WIC 1 slot

Console port

SEE MANUAL BEFORE INSTALLATION

DSU

56K

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Chapter 1 Cisco 1721 Router Overview

Front Panel LEDs

Use the back panel LEDs during router installation to confirm that you have

correctly connected all the cables to the router.

Front Panel LEDs

Use the router front panel LEDs to determine network activity and status on the

Ethernet port and on the WIC ports. The front panel LEDs are illustrated in

Figure 1-3 and described in Table 1-4.

WIC slot 0

(WIC0)

No label Supports one Cisco WIC. For detailed information, refer

to the Cisco WAN Interface Cards Hardware Installation

Guide, which comes with every card.

WIC slot 1

(WIC1)

No label Supports one Cisco WIC. For detailed information, refer

to the Cisco WAN Interface Cards Hardware Installation

Guide, which comes with every card.

Table 1-2 Back Panel Connectors (continued)

Connector/Slot Label/Color Description

Table 1-3 Back Panel LEDs

LED Label Color Description

WIC0 OK Green On when a WIC is correctly inserted in the card slot.

FDX Green On solid—Ethernet port is operating in full-duplex mode.

Off—Ethernet port is operating in half-duplex mode.

100 Green On solid—Ethernet port is operating at 100 Mbps.

Off—Ethernet port is operating at 10 Mbps.

LINK Green On when the Ethernet link is up.

MOD OK Green On when the VPN hardware encryption module is installed and

recognized by the IOS.

WIC1 OK Green On when a WIC is correctly inserted in the card slot.

Chapter 1 Cisco 1721 Router Overview

Front Panel LEDs

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Figure 1-3 Front Panel LEDs

Table 1-4 Front Panel LEDs

LED Label Color Description

PWR Green On means that DC power is being supplied to the router.

OK Green On means that the router has successfully booted up and the software is

functional. This LED blinks during the power-on self-test (POST).

See the section “OK LED Diagnostics” in Chapter 3,

“Troubleshooting,” for information on how to use this LED for router

diagnostics.

WIC0

ACT/CH0 Green Serial and DSU/CSU cards—Blinks when data is being sent to or

received from the port on the card in the WIC0 slot.

ISDN cards—On solid when the first ISDN B channel is up for the card

in the WIC0 slot.

2-port serial cards—Blinks when data is being sent to or received from

the first port on the 2-port card in the WIC0 slot.

ACT/CH1 Green Serial and CSU/DSU cards—Remains off.

ISDN cards—On solid when the second ISDN B channel is up for the

card in the WIC0 slot

2-port serial cards—Blinks when data is being sent to or received from

the second port on the 2-port card in the WIC0 slot.

65537

PWR ACT

ACT/CH0

ACT/CH1

ACT/CH0

WIC0 WIC1 ETH

ACT/CH1 COL

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Chapter 1 Cisco 1721 Router Overview

Router Memory

This section describes the types of memory stored in the router and how to find

out how much of each type of memory is stored in the router.

For instruction on how to upgrade memory in the router, see Appendix C,

“Installing and Upgrading Memory and Virtual Private Network Modules.”

WIC1

ACT/CH0 Green Serial and DSU/CSU cards—Blinks when data is being sent to or

received from the port on the card in the WIC1 slot.

ISDN cards—On solid when the first ISDN B channel is up for the card

in the WIC1 slot.

2-port serial cards—Blinks when data is being sent to or received from

the first port on the 2-port card in the WIC1 slot.

ACT/CH1 Green Serial and DSU/CSU cards—Remains off.

ISDN cards—On solid when the second ISDN B channel is up for the

card in the WIC1 slot.

2-port serial cards—Blinks when data is being sent to or received from

the second port on the 2-port card in the WIC1 slot.

ETH

ACT Green Blinks when there is network activity on the Ethernet port.

COL Yellow Blinks when there are packet collisions on the local Ethernet network.

Table 1-4 Front Panel LEDs (continued)

LED Label Color Description

Chapter 1 Cisco 1721 Router Overview

Router Memory

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Types of Memory

The Cisco 1721 router has the following types of memory:

•Dynamic random-access memory (DRAM)—This is the main storage

memory for the router. DRAM is also called working storage. It contains the

dynamic configuration information. The Cisco 1721 router stores a working

copy of the Cisco IOS software, dynamic configuration information, and

routing table information in DRAM.

•Nonvolatile random-access memory (NVRAM)—This type of memory

contains a backup copy of your configuration. If the power is lost or the router

is turned off, this backup copy enables the router to return to operation

without reconfiguration.

•Flash memory—This special kind of erasable, programmable memory

contains a copy of the Cisco IOS software. The Flash memory structure can

store multiple copies of the Cisco IOS software. You can load a new level of

the operating system in every router in your network and then, when

convenient, upgrade the whole network to the new level.

Amounts of Memory

The Cisco 1721 router supports a maximum of 32MB Flash memory and 128MB

DRAM. Use the show version command to view the amount of DRAM, NVRAM,

and Flash memory stored in your router. The following example of the

show version command output displays the amount of memory in this router.

1721# show version

Cisco Internetwork Operating System Software

IOS (tm) C1700 Software (C1700-K9SY-M), Version 12.2(4)YA EARLY

DEPLOYMENT RELEASE SOFTWARE (fc1)

TAC Support: http://www.cisco.com/tac

Compiled Mon 14-Jan-02 16:34 by ramesh

Image text-base: 0x80008108, data-base: 0x80BC77E8

ROM: System Bootstrap, Version 12.2(7r)XM1, RELEASE SOFTWARE (fc1)

1721 uptime is 4 days, 23 hours, 54 minutes

System returned to ROM by reload

Running default software

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Chapter 1 Cisco 1721 Router Overview

Unpacking the Router

cisco 1721 (MPC860P) processor (revision 0x101) with 36864K/12288K

bytes of memory.

Processor board ID VEN0539000D (3033334544), with hardware revision

0000

MPC860P processor: part number 5, mask 2

Bridging software.

X.25 software, Version 3.0.0.

1 Ethernet/IEEE 802.3 interface(s)

1 FastEthernet/IEEE 802.3 interface(s)

2 Serial network interface(s)

1 Virtual Private Network (VPN) Modules(s)

32K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (Read/Write)

Configuration register is 0x0

Unpacking the Router

Table 1-5 lists the items that come with your router. All these items are in the

accessory kit that is inside the box that your router came in.

Additional Required Equipment

Depending on your local network and on which Cisco WICs you install in your

router, you will require other items, listed in Table 1-6, to complete your router

installation.

Table 1-5 Router Box Contents

•Power cord (black)

•Power supply

•DB-25 to DB-9 adapter

•Console cable, RJ-45 to DB-9 (light blue)

•Product documentation

Chapter 1 Cisco 1721 Router Overview

Additional Required Equipment

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Table 1-6 Additional Required Equipment

Equipment When You Use It

Ethernet hub A hub connects pieces of network equipment (including the

Cisco 1721 router) to create a network. You can use a 10-, 100-, or

10/100-Mbps hub with the Cisco 1721 router.

Ethernet switch A switch connects pieces of network equipment (including the

Cisco 1721 router) to create a network. You can use a 10-, 100-, or

10/100-Mbps switch with the Cisco 1721 router.

Phillips screwdriver Although the WICs use thumbscrews, you might need a Phillips

screwdriver to loosen the WIC slot cover.

Cisco WIC In order to make a WAN connection, the Cisco 1721 router must

have a supported WIC installed. The router supports up to two

cards. You can order the cards when you order the router, and they

will be installed for you. Or, you can order the cards separately, after

you receive the router, and then install them yourself.

Straight-through RJ-45-to-RJ-45

cable

This cable connects the router to the Ethernet LAN and connects the

WICs to various WAN services, including ISDN, T1/FT1, and

56-kbps services. You will need one cable for each connection that

requires this cable type.

Serial cable This cable connects a serial card to serial services. You must order

this cable from Cisco. For detailed information about serial cable

types, refer to the Cisco WAN Interface Cards Hardware

Installation Guide, which comes with every card.

NT-1 Some ISDN service providers require a Network Termination 1

(NT-1) device to connect an ISDN S/T port to the ISDN line.

Asynchronous modem Connect a modem to the AUX port on the router when you want to

configure the router from a remote location.

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