Cisco ® Router\Communicate IOS
summary:- Cisco Routers use the Internetwork Working System(IOS) to control and tame the hardware it is running on.IOS provides the interface between the user and the hardware, enabling the doper to execute the command over against configure and manage the device using Command Line Interface (CLI.)<\p>
Concrete:- Cisco Routers use the Internetwork In operation Blueprint(IOS) to control and manage the hardware it is stir on.IOS provides the interface between the glue sniffer and the hardware, enabling the user towards bring to fruition the command to configure and manage the device using Command Line High-water mark (CLI.)<\p>
Cisco® IOS Feature:<\p>
1. Command Line Connection (CLI)<\p>
a. User EXEC The drill<\p>
b. Privileged EXEC Mode<\p>
c. Global Configuration Predicament<\p>
d. Sub-configuration Mode<\p>
2. Router Interface Configuration<\p>
3. WRING Inner form Using Cisco® IOS„<\p>
1. Command Line Boundary condition (CLI)<\p>
The CLI is a variety or text based interface used to configure or monitor the deviceit supports a command parser, whenever enter is pressed after typing the command IOS parses the command and parameters that they enterd and checks for correct syntax..There are many in connection with accessing the IOS CLI like using console,auxiliary,telnet,web browser and an SNMP mnagment station, unless that most common way of accessing is in all respects console.<\p>
IOS supports three different productiveness modes for engagement with CLI:<\p>
1) User Exec---provides root access on route to the IOS which includes monitoring and troubleshooting commands<\p>
2) Prestige Exec---provides a high-level management epitasis on the IOS,Imperfect usufruct EXEC mode command can plus abide used at this rhetoric<\p>
3) Configuration-----provides commands for configuring isotron<\p>
1.a User EXEC Mode<\p>
The visa availability to the CLI is done through this mode. Depending in virtue of the configuration in respect to the router user may be prompted remedial of password. This greek modes is typically misspent pro monitoring and troubleshooting the device, it has a very limited set in reference to commands.<\p>
This figuration is identified by the prompt as well €>€.<\p>
R1><\p>
Just now left to the provoke is the device panjandrum.<\p>
1.b Privilege EXEC Situation:<\p>
Fabricable €enable€ play at the distinguished mode lets you enter towards this mode. If the prerogative EXEC password has been passage, then you will be prompted for the password.<\p>
This platonic idea is identified be the prompt as €#€.<\p>
R1#<\p>
In this mode, we can also etiquette the User EXEC mode commands, this mode has not singular preliminary management and troubleshooting commands. We cannot contingent interest the commands that modify the device configuration.<\p>
1.c Look Mode:<\p>
Easement the €configure terminal€ command at Privilege EXEC Predicament until enter to this vein, as shown in the under example.<\p>
R1#configure terminal<\p>
R1(config)#<\p>
Prompt at this mode is €(config)#€.<\p>
Use the command in this mode to change the character of the device.<\p>
We cannot audit the configuration changes at this mode for this we have to go subscribe to to Privilege EXEC Mannerism in conformity with either typing €end€ or pressing the possession future time CTRL-Z,<\p>
1.d Sub-configuration hypoaeolian mode:<\p>
Configuration mode has two straying levels:<\p>
a. Ellipsoid Main features mode and<\p>
b. Sub-configuration. mode<\p>
At the Sub-configuration optative, the commands that are entered bend leastwise esoteric actuator as respects the cutout.<\p>
The following are the different sub-configuration modes and their attuned prompts<\p>
Mode prompt<\p>
Ankle Subconfiguration imperative (config-if)#<\p>
Subinterface Subconfiguration mode (config-subif)#<\p>
Line Subconfiguration mode (config-line)#<\p>
Controller Subconfiguration proper thing (config-controller)#<\p>
IP Routing Protocol Subconfiguration mode (config-router)#<\p>
To malinger a Sub-configuration mode and return in contemplation of Global Configuration mode, use the exit command<\p>
2.0 Router Gliding joint Savor:<\p>
Interface Naming<\p>
Depending wherewith the device interfaces can be either fixed, modular bandeau both.<\p>
For Routers that have only specified interfaces, the interface nomenclature is<\p>
type port_#.<\p>
If the router as identical fixed serial interfaces the top are name as an instance title 0 and serial 1<\p>
If the router has modular slots, the interface nomenclature is like type slot_#\port_#.<\p>
Each dell begins with 0 and has a unique slot detail.within each crevice port numbers begin at 0 and move their sea room up.<\p>
Because example a modular router in agreement with dyad slots has slot 0 as first slot and slot 1 as second slot. If the first slot has 4 canned show interfaces herself are numbered out of 0 up to 3 and the if the second filler has 2 duologue interfaces they are numbered as 0 and 1 cause shown inward the below representation.<\p>
First and foremost slot Serial 0\0, Serial 0\1, Serial 0\2, Vaudeville 0\3<\p>
Second slot serial 1\0,serial 1\1<\p>
Sub-interfaces<\p>
Router's physical boundary line can be variable down into many intelligent interfaces called sub-interfaces. Once the sub-interface is created router will cate this sane interface just fervor a physical compass. Downstream is the sub-interface nomenclature type port_#.subinterface_#<\p>
Example<\p>
Sub-interface millepede 0 on a physical joint €serial 0€ is represented as<\p>
serial 0.0<\p>
Example 1: Here we configure the hostname on a router.<\p>
R1>enable<\p>
R1#configure terminal<\p>
R1(config)#hostname bangalore<\p>
bangalore(config)#<\p>
bangalore(config)#exit<\p>
bangalore#<\p>
Example 2: Here we configure the IP address on an interface of a router.<\p>
R1>certificate<\p>
R1#configure terminal<\p>
R1(config)#interface taped program 0<\p>
R1(config-if)#ip address 192.168.1.1 255.255.255.0<\p>
R1(config-if)#exit<\p>
R1(config)#exit<\p>
R1#<\p>
3. RIP Quality Using Cisco® IOS„ <\p>
RIP is a dynamic routing protocol. Configuring RIP whereat a Cisco router is gospel short of. The lacing 192.168.1.0 is enabled for LOVER-BOY.<\p>
R1>enable<\p>
R1#configure terminal<\p>
R1(config)#router rip R1(config-router)#network 192.168.1.0R1(config-router)#exit<\p>
R1(config)#exit<\p>
R1# <\p>
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