CCNA Course in
Urdu Lab 3 Part 2 Cisco Internetworking Operating System (IOS)
USING TELNET
Telnet is a virtual terminal
protocol that allows you to make connections to remote devices, gather
information, and run programs.
As we know that CDP can’t provide
the information about the devices that aren’t directly connected to your
router. But we can use telnet command
to log on to remote devices and then used CDP
to gather information about their neighbours.
Router#10.1.1.1
Trying 10.1.1.1 … Open
User Access Verification
Password: à
Here you to have enter the line vty
password which we set on the router’s CLI
R1>
TELNETTING INTO MULTIPLE DEVICES SIMULTANEOUSLY
Router#10.1.1.1
Trying 10.1.1.1 … Open
User Access Verification
Password:
R1>Ctrl+Shift+6 ;
then we have to press X
Router#
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CHECKING TELNET CONNECTIONS
Router#sh sessions
Conn Host Address Byte Idle
1 10.1.1.2 10.1.1.2 0 0 10.1.1.2
* 2 10.1.1.3 10.1.1.2 0 0 10.1.1.3
Router#
The asterisk next to connection 2 indicates that session2
was your last session. You can enter the last session by pressing Enter twice.
You can also enter any connection by typing the connection number and then
pressing Enter.
Router#sh users [to
check all active consoles and VTY ports]
LOGGING ON TO AND OUT OFF THE SESSIONS
Router#sh sessions
Conn Host Address Byte Idle
1 10.1.1.2 10.1.1.2 0 0 10.1.1.2
* 2 10.1.1.3 10.1.1.2 0 0 10.1.1.3
Router#1
[Resuming connection 1 to 10.1.1.2 … ]
Farhan>
Router#disconnect 2
Closing connection to 10.1.1.2 [confirm] [enter]
Router#
RESOLVING HOSTNAMES
To use a hostname rather than and IP address to connect to a
remote device, the device that you are using to make the connection must be
able to translate the hostname to an IP address.
BUILDING A HOST TABLE
Corp#config t
Corp(config)#ip host R1 112.2.2.2
Corp(config)#ip host ap 112.2.1.1
We can check the host table by using the command show hosts
USING DNS TO RESOLVE NAMES
Corp#farhan
Translating “farhan” …domain server (255.255.255.255)
Translating “farhan” …domain server (255.255.255.255)
Translating “farhan” …domain server (255.255.255.255)
% Unknown command or computer name, or unable to find
computer address
Corp#config t
Corp(config)#ip domain-lookup
Corp(config)#ip name-server 172.16.3.1
Corp(config)#ip domain-name farhan.com
Corp(config)#^Z
CHECKING NETWORK
CONNECTIVITY
Router#ping 172.16.3.1
Router#traceroute R1
Type escape sequence to abort.
Tracing the route to R1 (112.2.2.2)
2 R1 (112.2.2.2)
4 msec *
0 msec
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Click Below to Get CCNA Course In Urdu:
CCNA Course in Urdu Lab 1 Part 1 Cisco Internetworking Operating System (IOS) ClickHere
CCNA Course in Urdu Lab 1 Part 2 Cisco Internetworking Operating System (IOS) ClickHere
CCNA Course in Urdu Lab 1 Part 3 Cisco Internetworking Operating System (IOS) ClickHere
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