joi, 10 mai 2012

Cisco ® Router/Switch IOS - Computers - Networks


summary:-Cisco Routers utilize Internetwork Operating System(IOS) to manipulate and also manage this electronics it is jogging on.IOS offers the software involving a computer owner along with the hardware, empowering the consumer to perform the particular control to configure as well as take care of the nuvi 780 making use of Command Line Interface (CLI.)

Body:-Cisco Routers use the Internetwork Operating System(IOS) to manage as well as manage the particular equipment it can be going on.IOS offers the interface involving a computer owner plus the hardware, which allows the person that will make the particular command line in order to configure plus cope with the nuvi 780 employing Command Line Interface (CLI.)

Cisco IOS Features:

1. Command Line Interface (CLI)

a. User EXEC Mode

b. Privileged EXEC Mode

c. Global Configuration Mode

d. Sub-Configuration Mode

2. Router Interface Configuration

3. RIP Configuration Using Cisco IOS

1. Command Line Interface (CLI)

The CLI is really a persona as well as word structured program employed to configure and also check the deviceit supports a order parser, when enter can be constrained after typing this order IOS parses your order as well as ranges that you enterd along with checks with regard to proper syntax..There a variety of regarding opening the particular IOS CLI for instance applying console,auxiliary,telnet,web browser and also a strong SNMP mnagment station, however most usual method connected with accessing is usually through console.

IOS can handle about three different obtain modes with regard to connections with CLI:

1) User Exec---provides standard admittance to the IOS that contains checking as well as troubleshooting commands

2) Privilege Exec---provides a high-level direction having access to the actual IOS,User EXEC function command may also possibly be applied at this specific mode

3) Configuration-----provides instructions to get setting up device

1.a User EXEC Mode

The initial use of the CLI is done as a result of the following mode. Depending with the actual configuration of the router individual could be prompted to get password. This mode is typically applied with regard to following and also troubleshooting the device, it has an exceptionally constrained couple of commands.

This function is determined from the quick since ">".

R1>

Here remaining to the punctual could be the system name.

1.b Privilege EXEC Mode:

Giving "enable" receive with the on top of manner enables you to input to the mode. If the right EXEC password has been set, you will be advised for your password.

This function is diagnosed possibly be the force while "#".

R1#

In this mode, you can as well make use of the User EXEC style commands, this kind of function has tough one direction plus troubleshooting commands. We can not utilize the commands that will alter these devices configuration.

1.c Configuration Mode:

Use the "configure terminal" command with Privilege EXEC Mode to get into to the present mode, when demonstrated while in the down below example.

R1#configure terminal

R1(config)#

Prompt from this mode can be "(config)#".

Use the command line within this mode to change this configuration of the device.

We are not able to view the configuration alterations during this mode with this we must return back for you to Privilege EXEC Mode by possibly testing "end" and also pressing the handle routine CTRL-Z,

1.d Sub-configuration mode:

Configuration style features two several levels:

a. Global Configuration mode and

b. Sub-configuration. mode

At the actual Sub-configuration mode, the particular commands that are inserted have an effect on solely certain component belonging to the device.

The next include the distinct sub-configuration settings and also their similar prompts

Mode prompt

Interface Subconfiguration mode (config-if)#

Subinterface Subconfiguration method (config-subif)#

Line Subconfiguration setting (config-line)#

Controller Subconfiguration manner (config-controller)#

IP Routing Protocol Subconfiguration method (config-router)#

To keep a Sub-configuration setting along with come back that will Global Configuration mode, use the depart command

2.0 Router Interface Configuration:

Interface Naming

Depending around the system interfaces might be possibly fixed, modular or even both.

For Routers which may have just fixed interfaces, this interface nomenclature is

form port_#.

If your router as a pair of unchanging serial interfaces there're name seeing that serial 0 and serial 1

If your router provides modular slots, your software nomenclature is just like variety slot_#/port_#.

Each position will start by using 0 and is known for a different slot number.within each one slot opening phone numbers begin from 0 in addition to move their particular approach up.

For example a modular router having a couple slots provides slot 0 since initial slot and position just one while next slot. If the first slot features five serial interfaces these are together with from 0 for you to three or more as well as the should the next slot includes a couple of serial interfaces they are usually figures while 0 along with just one when shown within the below representation.

First slotSerial 0/0, Serial 0/1, Serial 0/2, Serial 0/3

Second slotserial 1/0,serial 1/1

Sub-interfaces

Router's real interface could be destroyed towards multiple reasonable interfaces referred to as sub-interfaces. Once this sub-interface is designed router could handle this logical interface simply just like a natural interface. Below is a sub-interface nomenclature type port_#.subinterface_#

Example

Sub-interface amount 0 on a actual user interface "serial 0" is actually represented as

serial 0.0

Example 1: Here we all configure that hostname over a router.

R1>enable

R1#configure terminal

R1(config)#hostname bangalore

bangalore(config)#

bangalore(config)#exit

bangalore#

Example 2: Here we configure your IP correct on a good interface connected with your router.

R1>enable

R1#configure terminal

R1(config)#interface serial 0

R1(config-if)#ip target 192.168.1.1 255.255.255.0

R1(config-if)#exit

R1(config)#exit

R1#

3. RIP Configuration Using Cisco IOS

RIP is usually a dynamic routing protocol. Configuring RIP using a Cisco router is granted below. The community 192.168.1.0 is actually made it possible for pertaining to RIP.

R1>enable

R1#configure terminal

R1(config)#router ripR1(config-router)#network 192.168.1.0R1(config-router)#exit

R1(config)#exit

R1#

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