Bài viết sưu tầm

Chơ sơ đồ như sau: 

Yêu cầu: Cấu hình Etherchannel cho sơ đồ này

Bước 1) Cấu hình gw

en

conf t

int e0/0

ip add dhcp

no shut

exit

int e1/0

ip add 192.168.1.254 255.255.255.0

no shut

exit

access-list 1 permit 192.168.1.0 0.0.0.255

access-list 1 permit 192.168.10.0 0.0.0.255

access-list 1 permit 192.168.20.0 0.0.0.255

access-list 1 permit 192.168.30.0 0.0.0.255

access-list 1 permit 192.168.40.0 0.0.0.255

ip nat inside source list 1 interface e0/0 overload

int e0/0

ip nat outside

exit

int e1/0

ip nat inside

exit

ip domain-lookup

ip name-server 8.8.8.8

int e1/0.10

encapsulation dot1Q 10

ip address 192.168.10.254 255.255.255.0

ip helper-address 192.168.1.100

ip nat inside

exit

int e1/0.20

encapsulation dot1Q 20

ip address 192.168.20.254 255.255.255.0

ip helper-address 192.168.1.100

ip nat inside

exit

int e1/0.30

encapsulation dot1Q 30

ip address 192.168.30.254 255.255.255.0

ip helper-address 192.168.1.100

ip nat inside

exit

int e1/0.40

encapsulation dot1Q 40

ip address 192.168.40.254 255.255.255.0

ip helper-address 192.168.1.100

ip nat inside

exit

do wr

Bước 2) Cấu hình DHCP SERVER

en

conf t

int e0/0

no sh

ip add 192.168.1.100 255.255.255.0

exit

ip route 0.0.0.0 0.0.0.0 192.168.1.254

ip dhcp pool POOL10

network 192.168.10.0 255.255.255.0

default-router 192.168.10.254

dns-server 8.8.8.8

exit

ip dhcp excluded-address 192.168.10.1 192.168.10.100

ip dhcp pool POOL20

network 192.168.20.0 255.255.255.0

default-router 192.168.20.254

dns-server 8.8.8.8

exit

ip dhcp excluded-address 192.168.20.1 192.168.20.100

ip dhcp pool POOL30

network 192.168.30.0 255.255.255.0

default-router 192.168.30.254

dns-server 8.8.8.8

exit

ip dhcp excluded-address 192.168.30.1 192.168.30.100

ip dhcp pool POOL40

network 192.168.40.0 255.255.255.0

default-router 192.168.40.254

dns-server 8.8.8.8

exit

ip dhcp excluded-address 192.168.40.1 192.168.40.100

ip dhcp pool vlan1

network 192.168.1.0 255.255.255.0

default-router 192.168.1.254

dns-server 8.8.8.8

exit

ip dhcp excluded-address 192.168.1.1 192.168.1.100

ip dhcp excluded-address 192.168.1.200 192.168.1.254

do wr

Bước 3) Cấu hình SWCore

en

conf t

vlan 10

name p10

vlan 20

name p20

vlan 30

name p30

vlan 40

name p40

int vlan 1

no shutdown

ip address 192.168.1.1 255.255.255.0

exit

interface vlan 10

no shutdown

ip address 192.168.10.1 255.255.255.0

exit

interface vlan 20

no shutdown

ip address 192.168.20.1 255.255.255.0

exit

interface vlan 30

no shutdown

ip address 192.168.30.1 255.255.255.0

exit

interface vlan 40

no shutdown

ip address 192.168.40.1 255.255.255.0

exit

int e0/0

switchport trunk encapsulation dot1q

switchport mode trunk

exit

int e1/1

switchport trunk encapsulation dot1q

switchport mode trunk

exit

ip routing

ip route 0.0.0.0 0.0.0.0 192.168.1.254

int range e0/2-3

channel-group 1 mode active

exit

int port-channel 1

sw trunk encapsulation dot1q

sw mode trunk

sw trunk allowed vlan all

exit

int range e1/1-2

channel-group 2 mode active

exit

int port-channel 2

sw trunk encapsulation dot1q

sw mode trunk

sw trunk allowed vlan all

exit

Bước 4) Cấu hình cho sw3

int range e0/2-3

channel-group 1 mode active

exit

int port-channel 1

sw trunk encapsulation dot1q

sw mode trunk

sw trunk allowed vlan all

exit

int e0/0

sw mode acces

sw access vlan 10

exit

int e0/1

sw mode access

sw acces vlan 20

exit

Bước 5) Cấu hình cho sw4

int range e1/1-2

channel-group 2 mode active

exit

int port-channel 2

sw trunk encapsulation dot1q

sw mode trunk

sw trunk allowed vlan all

exit

int e0/0

sw mode access

sw acces vlan 30

exit

int e0/1

sw mode access

sw acces vlan 40

exit

Bước 6) Cấu hình các PCVLAN

Pc: vlan10
ip dhcp 

show ip 

Pc: vlan20

ip dhcp 

show ip 

Pc: vlan30

ip dhcp 

show ip 

Pc: vlan40

ip dhcp 

show ip 

7. TEST MẠNG