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Cisco 1721 manual

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Table of contents for the manual

  • Page 1

    CH A P T E R 1-1 Cisco 1721 Router Hardwa re Installation Guide 78-13834-02 1 Cisco 1721 Router Overview This chapter intro duces the Cisco 1721 router, also referred to in this guide as the r outer , and cov ers the followi ng topics: • K ey Features • Back Panel Ports and LEDs • Front Panel LEDs • Router Memory • Unpacking the Router ?[...]

  • Page 2

    Chapter 1 Cisco 1721 Router Overview Key Features 1-2 Cisco 1721 Router Hardware Installation Guide 78-13834-02 Key Features The Cisco 1721 ro uter (see Figure 1-1 ) is a small, mod ular desktop router th at links small- to medi um-size remote Ethernet and F ast Ethernet LANs o ver one to four W AN connections to re gional and central of f ices. Ta[...]

  • Page 3

    1-3 Cisco 1721 Router Hardwa re Installation Guide 78-13834-02 Chapter 1 Cisco 1721 Router Overview Key Features T able 1 -1 Ke y F eatur es Feature Description One F ast Ethernet (10/100B ASE-TX) port • Operates in ful l- or half-duple x mode (with manual ov e rride a v ailable). • Supports autos ensing for 10 - or 100-Mbps op eration. • Sup[...]

  • Page 4

    Chapter 1 Cisco 1721 Router Overview Back Pa nel Ports and LEDs 1-4 Cisco 1721 Router Hardware Installation Guide 78-13834-02 Back Panel Ports and LEDs This section d escribes the router back panel ports and LEDs, which are sho wn in Figure 1-2 and descr ibed in Ta b l e 1 - 2 and Ta b l e 1 - 3 . Figur e 1 -2 Back P a nel P orts and LEDs T able 1 [...]

  • Page 5

    1-5 Cisco 1721 Router Hardwa re Installation Guide 78-13834-02 Chapter 1 Cisco 1721 Router Overview Front Panel LEDs Use the back panel LEDs duri ng router installati on to conf irm that you hav e correctly connected all th e cables to the router . Front Panel LEDs Use the router front panel LEDs to determi ne network acti vity and status on the Et[...]

  • Page 6

    Chapter 1 Cisco 1721 Router Overview Front Panel LEDs 1-6 Cisco 1721 Router Hardware Installation Guide 78-13834-02 Figur e 1 -3 F r ont P anel LEDs T able 1 -4 Fr ont P anel 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 succes sfully booted up and the sof t[...]

  • Page 7

    1-7 Cisco 1721 Router Hardwa re Installation Guide 78-13834-02 Chapter 1 Cisco 1721 Router Overview Router Memory Router Memory This section de scribes the types of memory stored in the router and ho w to f ind out ho w much of each type of memory is stored in the router . For i nstruction on ho w to upgrade memory in the router , see Appendix C, ?[...]

  • Page 8

    Chapter 1 Cisco 1721 Router Overview Router Memory 1-8 Cisco 1721 Router Hardware Installation Guide 78-13834-02 Types of Memory The Cisco 1721 ro uter has the fol lo wing type s of memory: • Dynamic random-access memory (DRAM)—This is the ma in storage memory for the r outer . DRA M is also called working stora ge . It contains the dynamic con[...]

  • Page 9

    1-9 Cisco 1721 Router Hardwa re Installation Guide 78-13834-02 Chapter 1 Cisco 1721 Router Overview Unpacking the Rou ter 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 softwa[...]

  • Page 10

    Chapter 1 Cisco 1721 Router Overview Additional Required Equipment 1-10 Cisco 1721 Router Hardware Installation Guide 78-13834-02 T able 1 -6 Additio nal Requir ed Equipmen t Equipment When Y ou Use It Ethernet hub A hub connects pieces of netw ork equipment ( including the Cisco 1721 router) to create a netw ork. Y ou can use a 10-, 100-, or 10/10[...]