Introduction to cisco routers
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Introduction to Cisco Routers. A Picture of Router. External Connections on a 2600 Router. Internal Components of a 2600 Router. Internal Components of a Router. WAN Physical Layer. WAN Physical Layer Standards. EIA/TIA-232 EIA/TIA-449 V.24 V.35 X.21 G.703 EIA-530 ISDN

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Wan physical layer standards
WAN Physical Layer Standards

  • EIA/TIA-232

  • EIA/TIA-449

  • V.24

  • V.35

  • X.21

  • G.703

  • EIA-530

  • ISDN

  • T1, T3, E1, and E3

  • xDSL

  • SONET (OC-3, OC-12, OC-48, OC-192)



Wan data link layer protocols1
WAN Data Link Layer Protocols

  • High-level data link control (HDLC)

  • Frame Relay

  • Point-to-Point Protocol (PPP)

  • Synchronous Data Link Control (SDLC)

  • Serial Line Internet Protocol (SLIP)

  • X.25

  • ATM

  • LAPB

  • LAPD

  • LAPF


Console port and aux port
Console Port and AUX Port

  • The console port and the auxiliary (AUX) port are management ports.

  • These asynchronous serial ports are not designed as networking ports.

  • One of these two ports is required for the initial configuration of the router.

  • The console port is recommended for this initial configuration.

  • Not all routers have an auxiliary port.


Console port connection
Console Port Connection

  • When the router is first put into service, there are no networking parameters configured.

  • To prepare for initial startup and configuration, attach an RS-232 ASCII terminal, or a computer emulating an ASCII terminal, to the system console port.

  • Then configuration commands can be entered to set up the router.

  • The router can also be configured from a remote location by dialing to a modem connected to the console or auxiliary port on the router




Connect a pc to a router
Connect a PC to a Router

  • The PC or terminal must support VT100 terminal emulation. Terminal emulation software such as HyperTerminal is usually used.

  • To connect the PC to a router:

    • 1. Configure terminal emulation software on the PC for:

      • The appropriate com port

      • 9600 baud

      • 8 data bits

      • No parity

      • 1 stop bit

      • No flow control

    • 2. Connect the RJ-45 connector of the rollover cable to the router console port.

    • 3. Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter.

    • 4. Attach the female DB-9 adapter to a PC.





Operating cisco ios software
Operating Cisco IOS Software

  • The Cisco IOS (Internetwork Operating System) software uses a command-line interface (CLI) as the traditional console environment.

  • The IOS is a core technology that extends across most of the Cisco product line.

  • Its operation details may vary on different internetworking devices.




Overview of router modes1
Overview of Router Modes

  • 使用者執行模式(User EXEC Mode)

  • 特權執行模式(Privileged EXEC Mode)

  • 整體設定(Global configuration)

  • 界面設定(Interface configuration)



Example 1 of static routing
Example (1) of Static Routing

What is the setting for Sterling and Waycross?


Example 2 of static routing
Example (2) of Static Routing

What is the setting for Sterling and Waycross?




Example of dynamic routing rip
Example of Dynamic Routing (RIP)

Note: RIP supports only classful network addresses.


References
References

  • Data Source: Cisco Networking Academy Programs


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