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VLAN and Inter VLAN routing between different branches

  VLAN and Inter VLAN routing between different branches 



 

Here we choose Doha as Head Office. It is connected to 4 different branches.

In HO have 4 VLAN, 

1. DATA VLAN-10       IP address: 10.10.0.1/22

2. SERVER VLAN-20   IP Address:10.10.4.1/24

3. CCTV VLAN-30       IP Address:10.10.5.1/24

4.VOICE VLAN-40       IP Address:10.10.6.1/24

here I skipped some basic configuration,

Router-DOHA

Router>enable

Router# configure terminal

Router(config)#hostname DOHA

#configuring interfaces

DOHA(config)#interface f0/0     

DOHA(config-if)#ip address 172.16.10.1 255.255.255.248

DOHA(config-if)#ip nat inside

DOHA(config-if)#no shutdown

DOHA(config-if)#exit

DOHA(config)#interface s0/1/1

DOHA(config-if)#ip add 20.10.10.1 255.255.255.252

DOHA(config-if)#ip nat outside

DOHA(config-if)#no shutdown

DOHA(config-if)#exit

DOHA(config)#interface f0/1

DOHA(config-if)#ip nat outside

DOHA(config-if)#ip add 30.10.10.1 255.255.255.252

DOHA(config-if)#no shutdown

DOHA(config-if)#exit

DOHA(config)#interface s0/0/0

DOHA(config-if)#ip nat outside

DOHA(config-if)#ip add 40.10.10.1 255.255.255.252

DOHA(config-if)#no shutdown

DOHA(config-if)#exit

DOHA(config)#interface s0/1/0

DOHA(config-if)#ip nat outside

DOHA(config-if)#ip add 50.10.10.1 255.255.255.252

DOHA(config-if)#no shutdown

DOHA(config-if)#exit

#creating Static route for communicating between HO vlan between other branches

DOHA(config)#ip route 10.10.0.0 255.255.252.0  f0/0

DOHA(config)#ip route 10.10.4.0 255.255.255.0  f0/0

DOHA(config)#ip route 10.10.5.0 255.255.255.0  f0/0

DOHA(config)#ip route 10.10.6.0 255.255.255.0  f0/0

#creating Dynamic routing for communicating between branches, here I use OSPF for dynamic routing,

DOHA(config)#router ospf 1

DOHA(config-router)#network 172.16.10.0 0.0.0.7 area 0

DOHA(config-router)#network 20.10.10.0 0.0.0.3 area 0

DOHA(config-router)#network 30.10.10.0 0.0.0.3 area 0

DOHA(config-router)#network 40.10.10.0 0.0.0.3 area 0

DOHA(config-router)#network 50.10.10.0 0.0.0.3 area 0

DOHA(config-router)# end

 

Switch-CORE

configuring inter VLAN routing on multi layer switch

Switch>enable

Switch#configure terminal

Switch(config)#hostname CORE

#creating VLAN's

CORE(config)#vlan 10

CORE(config-vlan)#name DATA

CORE(config-vlan)#vlan 20

CORE(config-vlan)#name SERVER

CORE(config-vlan)#vlan 30

CORE(config-vlan)#name CCTV

CORE(config-vlan)#vlan 40

CORE(config-vlan)#name VOICE

CORE(config-vlan)#exit

#configuring interface vlan

CORE(config)#interface vlan 10

CORE(config-if)#ip address 10.10.0.1 255.255.252.0

CORE(config-if)#exit

CORE(config)#interface vlan 20

CORE(config-if)#ip address 10.10.4.1 255.255.255.0

CORE(config-if)#exit

CORE(config)#interface vlan 30

CORE(config-if)#ip address 10.10.5.1 255.255.255.0

CORE(config-if)#exit

CORE(config)#interface vlan 40

CORE(config-if)#ip address 10.10.6.1 255.255.255.0

CORE(config-if)#exit

CORE(config)#interface g0/1

CORE(config-if)#no switchport

CORE(config-if)#ip address 172.16.10.2 255.255.255.248

CORE(config-if)#exit      

CORE(config)#interface range f0/23-24

CORE(config-if-range)#channel-group 1 mode active

CORE(config-if-range)#switchport trunk encapsulation dot1q

CORE(config-if-range)#switchport mode trunk

CORE(config-if-range)#exit

CORE(config)#interface range f0/21-22

CORE(config-if-range)#channel-group 2 mode active

CORE(config-if-range)#switchport trunk encapsulation dot1q

CORE(config-if-range)#switchport mode trunk

CORE(config-if-range)#exit

CORE(config)#interface range f0/19-20

CORE(config-if-range)#channel-group 3 mode active

CORE(config-if-range)#switchport trunk encapsulation dot1q

CORE(config-if-range)#switchport mode trunk

CORE(config-if-range)#exit

CORE(config)#ip routing

CORE(config)#ip dhcp pool DATA

CORE(dhcp-config)#network 10.10.0.0 255.255.252.0

CORE(dhcp-config)#default-router 10.10.0.1

CORE(dhcp-config)#dns-server 172.16.10.1

CORE(dhcp-config)#exit

CORE(config)#ip dhcp pool SERVER

CORE(dhcp-config)#network 10.10.4.0 255.255.255.0

CORE(dhcp-config)#default-router 10.10.4.1

CORE(dhcp-config)#dns-server 172.16.10.1

CORE(dhcp-config)#exit

CORE(config)#ip dhcp pool CCTV

CORE(dhcp-config)#network 10.10.5.0 255.255.255.0

CORE(dhcp-config)#default-router 10.10.5.1

CORE(dhcp-config)#dns-server 172.16.10.1

CORE(dhcp-config)#exit

CORE(config)#ip dhcp pool VOICE

CORE(dhcp-config)#network 10.10.6.0 255.255.255.0

CORE(dhcp-config)#default-router 10.10.6.1

CORE(dhcp-config)#dns-server 172.16.10.1

CORE(dhcp-config)#exit

CORE(config)#ip route 0.0.0.0 0.0.0.0 g0/1

CORE(config)#router ospf 1

CORE(config-router)#network 0.0.0.0 0.0.0.0 area 0

CORE(config-router)#exit

#configuration SW1 

Switch-SW1

Switch>enable

Switch#configure terminal

Switch(config)#hostname sw1

sw1(config-vlan)#name DATA

sw1(config-vlan)#vlan 20

sw1(config-vlan)#name SERVER

sw1(config-vlan)#vlan 30

sw1(config-vlan)#name CCTV

sw1(config-vlan)#vlan 40

sw1(config-vlan)#name VOICE

sw1(config-vlan)#exit

sw1(config)#interface range f0/23-24

sw1(config-if-range)#channel-group 1 mode active

sw1(config-if-range)#switchport mode trunk

sw1(config-if-range)#exit

sw1(config)#interface range f0/1-9

sw1(config-if-range)#switchport access vlan 10

sw1(config-if-range)#exit

sw1(config)#interface range f0/10-14

sw1(config-if-range)#switchport access vlan 20

sw1(config-if-range)#exit

sw1(config)#interface range f0/15-19

sw1(config-if-range)#switchport access vlan 30

sw1(config-if-range)#exit

sw1(config)#interface range f0/20-22

sw1(config-if-range)#switchport access vlan 40

sw1(config-if-range)#exit

 

Switch-SW2

Switch>enable

Switch#configure terminal

Switch(config)#hostname sw2

Sw2(config-vlan)#name DATA

Sw2(config-vlan)#vlan 20

Sw2(config-vlan)#name SERVER

Sw2(config-vlan)#vlan 30

Sw2(config-vlan)#name CCTV

Sw2(config-vlan)#vlan 40

Sw2(config-vlan)#name VOICE

Sw2(config-vlan)#exit

Sw2(config)#interface range f0/23-24

Sw2(config-if-range)#channel-group 2 mode active

Sw2(config-if-range)#switchport mode trunk

Sw2(config-if-range)#exit

Sw2(config)#interface range f0/1-9

Sw2(config-if-range)#switchport access vlan 10

Sw2(config-if-range)#exit

Sw2(config)#interface range f0/10-14

Sw2(config-if-range)#switchport access vlan 20

Sw2(config-if-range)#exit

Sw2(config)#interface range f0/15-19

Sw2(config-if-range)#switchport access vlan 30

Sw2(config-if-range)#exit

Sw2(config)#interface range f0/20-22

Sw2(config-if-range)#switchport access vlan 40

Sw2(config-if-range)#exit

 

Switch-SW3

Switch>enable

Switch#configure terminal

Switch(config)#hostname sw2

Sw3(config-vlan)#name DATA

Sw3(config-vlan)#vlan 20

Sw3(config-vlan)#name SERVER

Sw3(config-vlan)#vlan 30

Sw3(config-vlan)#name CCTV

Sw3(config-vlan)#vlan 40

Sw3(config-vlan)#name VOICE

Sw3(config-vlan)#exit

Sw3(config)#interface range f0/23-24

Sw3(config-if-range)#channel-group 2 mode active

Sw3(config-if-range)#switchport mode trunk

Sw3(config-if-range)#exit

Sw3(config)#interface range f0/1-9

Sw3(config-if-range)#switchport access vlan 10

Sw3(config-if-range)#exit

Sw3(config)#interface range f0/10-14

Sw3(config-if-range)#switchport access vlan 20

Sw3(config-if-range)#exit

Sw3(config)#interface range f0/15-19

Sw3(config-if-range)#switchport access vlan 30

Sw3(config-if-range)#exit

Sw3(config)#interface f0/20

Sw3(config-if-range)#switchport access vlan 40

Sw3(config-if-range)#exit

Sw3(config)#interface f0/21

Sw3(config-if-range)#switchport voice vlan 40

Sw3(config-if-range)#switchport access vlan 10

Sw3(config-if-range)#exit

 #configuring Abudhabi Branch

Router-Abu Dhabi

Router>enable

Router# configure terminal

Router(config)#hostname Abudhabi

Abudhabi(config)#interface f0/0

Abudhabi (config-if)#ip address 192.168.20.1 255.255.255.0

Abudhabi (config-if)#no shutdown

Abudhabi (config-if)#exit

Abudhabi (config)#interface s0/1/0

Abudhabi (config-if)#ip address 20.10.10.2 255.255.255.252

Abudhabi (config-if)#no shutdown

Abudhabi (config-if)#exit

Abudhabi (config)#ip dhcp pool DATA

Abudhabi (dhcp-config)#network 192.168.20.0 255.255.255.0

Abudhabi (dhcp-config)#default-router 192.168.20.1

Abudhabi (dhcp-config)#exit

Abudhabi (config)#ip route 0.0.0.0 0.0.0.0 s0/1/0

Abudhabi (config-router)#network 20.10.10.0 0.0.0.3 area 0

Abudhabi (config-router)#network 192.168.20.0 0.0.0.255 area 0

Abudhabi (config-router)#exit

 No need configure switch.

 #configuring Dubai Branch

Router-Dubai

Router>enable

Router# configure terminal

Router(config)#hostname Dubai

Dubai(config)#interface f0/0

Dubai (config-if)#ip address 192.168.50.1 255.255.255.0

Dubai (config-if)#no shutdown

Dubai (config-if)#exit

Dubai (config)#interface s0/1/0

Dubai (config-if)#ip address 50.10.10.2 255.255.255.252

Dubai (config-if)#no shutdown

Dubai (config-if)#exit

Dubai (config)#ip dhcp pool DATA

Dubai (dhcp-config)#network 192.168.50.0 255.255.255.0

Dubai (dhcp-config)#default-router 192.168.50.1

Dubai (dhcp-config)#exit

Dubai (config)#ip route 0.0.0.0 0.0.0.0 s0/1/0

Dubai (config-router)#network 50.10.10.0 0.0.0.3 area 0

Dubai (config-router)#network 192.168.50.0 0.0.0.255 area 0

Dubai (config-router)#exit

 No need configure switch.

#configuring Manama Branch

Here there is 3 VLAN's, So it is configured as Router on a Stick methord. For that we are creating 3 sub interfaces 

1. VLAN 300

IP Address:192.168.30.1/25

2.VLAN 310

IP Address:192.168.30.129/25

3.VLAN 320

IP Address:192.168.31.1/24

Router-Manama

Router>enable

Router# configure terminal

Router(config)#hostname Manama

#creating Sub-interfaces

Manama (config)#interface f0/0.300

Manama (config-if)#encapsulation dot1Q 300

Manama (config-if)#ip address 192.168.30.1 255.255.255.128

Manama (config-if)#exit

Manama (config)#interface f0/0.310

Manama (config-if)#encapsulation dot1Q 310

Manama (config-if)#ip address 192.168.30.129 255.255.255.128

Manama (config-if)#exit

Manama (config)#interface f0/0.310

Manama (config-if)#encapsulation dot1Q 320

Manama (config-if)#ip address 192.168.31.129 255.255.255.0

Manama (config-if)#exit

#creating DHCP Pool

Manama (config)#ip dhcp pool DATA

Manama (dhcp-config)#network 192.168.31.0 255.255.255.0

Manama (dhcp-config)#default-router 192.168.31.1

Manama (dhcp-config)#exit

Manama (config)#ip dhcp pool SALES

Manama (dhcp-config)#network 192.168.30.0 255.255.255.128

Manama (dhcp-config)#default-router 192.168.30.1

Manama (dhcp-config)#exit

Manama (config)#ip dhcp pool CCTV

Manama (dhcp-config)#network 192.168.30.128 255.255.255.128

Manama (dhcp-config)#default-router 192.168.30.129

Manama (dhcp-config)#exit

Manama (config)#interface g0/0

Manama (config-if)#ip address 30.10.10.2 255.255.255.252

Manama (config-if)#no shutdown

Manama (config-if)#exit

Manama (config)#ip route 0.0.0.0 0.0.0.0 g0/0

#Configuring dynamic routing 

Manama (config-router)#network 30.10.10.0 0.0.0.3 area 0

Manama (config-router)#network 192.168.30.0 0.0.0.127 area 0

Manama (config-router)#network 192.168.30.128 0.0.0.127 area 0

Manama (config-router)#network 192.168.31.0 0.0.0.255 area 0

Manama (config-router)#exit

Switch-SW6

Switch>en

Switch#confi terminal

Switch(config)#hostname sw6

sw6(config)#vlan

sw6(config)#vlan 300

sw6(config-vlan)#name SALES

sw6(config-vlan)#vlan 310

sw6(config-vlan)#name VOICE

sw6(config-vlan)#vlan 320

sw6(config-vlan)#name DATA

sw6(config-vlan)#exit

sw6(config)#interface range f0/1-9

sw6(config-if-range)#switchport access vlan 320

sw6(config-if-range)#interface range f0/10-15

sw6(config-if-range)#switchport access vlan 300

sw6(config-if-range)#interface range f0/16-22

sw6(config-if-range)#switchport access vlan 310

sw6(config-if-range)#exit

sw6(config)#interface g0/1

sw6(config-if)#switchport mode trunk

sw6(config-if)#switchport trunk allowed vlan all

sw6(config-if)#exit

#configuring Canberra Branch

Here 2 VLAN's DATA (400) and Voice(410). For communicating these two VLAN's , router interface are connected in different VLAN's interface in switch.

Router-Canberra

Router>enable

Router# configure terminal

Router(config)#hostname Canberra

Canberra (config)#interface f0/0

Canberra (config-if)#ip address 192.168.40.1 255.255.255.0

Canberra (config-if)#no shutdown

Canberra (config-if)#exit

Canberra (config)#interface f0/1

Canberra (config-if)#ip address 192.168.41.1 255.255.255.0

Canberra (config-if)#no shutdown

Canberra (config-if)#exit

Canberra (config)#interface s0/1/0

Canberra (config-if)#ip address 40.10.10.2 255.255.255.252

Canberra (config-if)#no shutdown

Canberra (config-if)#exit

Canberra (config)#ip dhcp pool DATA

Canberra (dhcp-config)#network 192.168.40.0 255.255.255.0

Canberra (dhcp-config)#default-router 192.168.40.1

Canberra (dhcp-config)#exit

Canberra (config)#ip dhcp pool VOICE

Canberra (dhcp-config)#network 192.168.41.0 255.255.255.0

Canberra (dhcp-config)#default-router 192.168.41.1

Canberra (dhcp-config)#exit

Canberra (config)#ip route 0.0.0.0 0.0.0.0 s0/1/0

Canberra (config-router)#network 40.10.10.0 0.0.0.3 area 0

Canberra (config-router)#network 192.168.40.0 0.0.0.255 area 0

Canberra (config-router)#network 192.168.41.0 0.0.0.255 area 0

Canberra (config-router)#exit

Switch-SW7

Switch>en

Switch#confi terminal

Switch(config)#hostname sw7

Sw7(config)#vlan

Sw7(config)#vlan 400

Sw7(config-vlan)#name DATA

Sw7(config-vlan)#vlan 410

Sw7(config-vlan)#name DATA

Sw7(config-vlan)#exit

Sw7(config)#interface range f0/1-12

Sw7(config-if-range)#switchport access vlan 400

Sw7(config-if-range)#interface range f0/13-23

Sw7(config-if-range)#switchport access vlan 410

Sw7(config-if-range)#exit

Thank You.....DON'T FORGOT TO SAVE THE CONFIGURATION


Special Thanks to  Corona institute.......✋

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