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Vlan Config

The document provides a detailed guide on configuring VLANs, including creating VLANs, assigning IP addresses, and setting up trunking on switches. It also covers SSH login setup for routers and inter-VLAN routing using both Layer-2 and Layer-3 switches. Additionally, it includes commands for MAC binding and managing port security.

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devkush13
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25 views5 pages

Vlan Config

The document provides a detailed guide on configuring VLANs, including creating VLANs, assigning IP addresses, and setting up trunking on switches. It also covers SSH login setup for routers and inter-VLAN routing using both Layer-2 and Layer-3 switches. Additionally, it includes commands for MAC binding and managing port security.

Uploaded by

devkush13
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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VLAN Configuration

Switch>
Switch>en
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#hostname cyber
cyber(config)#vlan 10
cyber(config-vlan)#name acct
cyber(config-vlan)#exit
cyber(config)#vlan20
^
% Invalid input detected at '^' marker.

cyber(config)#vlan 20
cyber(config-vlan)#name qm
cyber(config-vlan)#exit
cyber(config)#int fa 0/1
cyber(config-if)#switchport mode access`
cyber(config-if)#switchport access vlan 10
cyber(config-if)#exit
cyber(config)#int fa 0/2
cyber(config-if)#switchport mode access
cyber(config-if)#switchport access vlan 20
cyber(config-if)#exit
cyber(config)#int vlan 10
cyber(config-if)#
%LINK-5-CHANGED: Interface Vlan10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up

cyber(config-if)#ip address 192.168.10.1 255.255.255.0


cyber(config-if)#no shutdown
cyber(config-if)#exit
cyber(config)#int vlan 20
cyber(config-if)#
%LINK-5-CHANGED: Interface Vlan20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to up

cyber(config-if)#ip address 192.168.20.1 255.255.255.0


cyber(config-if)#no shutdown
cyber(config-if)#exit
cyber(config)#do wr
Building configuration...
[OK]
cyber(config)#

To add a computer to existing plan 20

cyber(config)#int fa 0/4
cyber(config-if)#switchport mode access
cyber(config-if)#switchport access vlan 20
cyber(config-if)#exit
cyber(config)#
cyber(config)#do wr
Building configuration...
[OK]
cyber(config)#
To select a range of ports in switch

cyber(config)#int range fa 0/1-2


cyber(config-if)#switchport mode access
cyber(config-if)#switchport access vlan 10
cyber(config-if)#exit

cyber(config)#int range fa 0/3-4


cyber(config-if)#switchport mode access
cyber(config-if)#switchport access vlan 20
cyber(config-if)#exit

VLAN Trunking

Switch>
Switch>en
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#exit
Switch(config)#
Switch(config)#int fa 0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config-if)#exit
Switch(config)#
Switch(config)#int fa 0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config-if)#exit
Switch(config)#
Switch(config)#int vlan 10
Switch(config-if)#
%LINK-5-CHANGED: Interface Vlan10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up

Switch(config-if)#ip address 192.168.10.1 255.255.255.0


Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#int vlan 20
Switch(config-if)#
%LINK-5-CHANGED: Interface Vlan20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to up

Switch(config-if)#ip address 192.168.20.1 255.255.255.0


Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#
Switch(config)#int fa 0/3
Switch(config-if)#switchport mode trunk

Switch(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up

Switch(config-if)#exit
Switch(config)#do wr
Building configuration...
[OK]
Switch(config)#
MAC Binding of a port in switch

Switch>
Switch>en
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int fa 0/x
Switch(config-if)#switchport mode access
Switch(config-if)#switchport port-security
Switch(config-if)#switchport port-security maximum 1
Switch(config-if)#switchport port-security mac-address 00E0.F954.B784
Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#do wr
Building configuration...
[OK]
Switch(config)#

SSH Login in Router

Router>
Router>en
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#interface gigabitEthernet 0/0/0
Router(config-if)#ip address 192.168.10.1 255.255.255.0
Router(config-if)#no shutdown

Router(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/0, changed state to up

Router(config-if)#exit
Router(config)#
R1(config)#hostname R1
R1(config)#ip domain-name abc
R1(config)#line vty 0 4
R1(config-line)#login local
R1(config-line)#transport input ssh
R1(config-line)#exit
R1(config)#crypto key generate rsa

The name for the keys will be: r1.abc


Choose the size of the key modulus in the range of 360 to 2048 for your
General Purpose Keys. Choosing a key modulus greater than 512 may take
a few minutes.

How many bits in the modulus [512]: 1024


% Generating 1024 bit RSA keys, keys will be non-exportable...[OK]

R1(config)#use
*Mar 1 0:3:43.112: %SSH-5-ENABLED: SSH 1.99 has been enabled
R1(config)#username cyber password cyber123
R1(config)#enable password admin
R1(config)#do wr
Building configuration...
[OK]
R1(config)#
Inter-VLAN Routing using Layer-3 Switch

Switch>
Switch>en
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#exit
Switch(config)#int gigabitEthernet 1/0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config-if)#exit
Switch(config)#
Switch(config)#int gigabitEthernet 1/0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config-if)#exit
Switch(config)#
Switch(config)#int vlan 10
Switch(config-if)#
%LINK-5-CHANGED: Interface Vlan10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up

Switch(config-if)#ip address 192.168.10.1 255.255.255.0


Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#
Switch(config)#int vlan 20
Switch(config-if)#
%LINK-5-CHANGED: Interface Vlan20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to up

Switch(config-if)#ip address 192.168.20.1 255.255.255.0


Switch(config-if)#no shutdown
Switch(config-if)#exit
Switch(config)#ip routing
Switch(config)#do wr
Building configuration...
Compressed configuration from 7383 bytes to 3601 bytes[OK]
[OK]
Switch(config)#
Inter-VLAN Routing using L-2 and L-3 switch
Switch>
Switch>en
Switch#
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#hostname L2
L2(config)#vlan 10
L2(config-vlan)#exit
L2(config)#vlan 20
L2(config-vlan)#exit
L2(config)#
L2(config)#int fa 0/1
L2(config-if)#switchport mode access
L2(config-if)#switchport access vlan 10
L2(config-if)#exit
L2(config)#int fa 0/2
L2(config-if)#switchport mode access
L2(config-if)#switchport access vlan 20
L2(config-if)#exit
L2(config)#int fa 0/3
L2(config-if)#switchport mode trunk
L2(config-if)#exit
L2(config)#
L2(config)#do wr
Building configuration...
[OK]
Switch(config)#

Switch>en
Switch#
Switch#config t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#
Switch(config)#hostname L3
Switch(config)#ip routing
Switch(config)#vlan 10
Switch(config-vlan)#exit
Switch(config)#vlan 20
Switch(config-vlan)#exit
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#switchport trunk encapsulation dot1q
Switch(config-if)#exit
Switch(config)#
Switch(config)#int vlan 10
Switch(config-if)#ip address 192.168.10.1 255.255.255.0
Switch(config-if)#exit
Switch(config)#
Switch(config)#int vlan 20
Switch(config-if)#ip address 192.168.20.1 255.255.255.0
Switch(config-if)#exit
Switch(config)#
Switch(config)#do wr
Building configuration...
Compressed configuration from 7383 bytes to 3601 bytes[OK]
[OK]
Switch(config)#

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