Lab 5 - Network IP Services and Security

1. ACL

2. DHCP

Mot Router co the tao nhieu Pool tuong ung voi nhieu dai dia chi cap IP

R(Config)#ip dhcp excluded-address 192.168.10.1 192.168.10.9
R(Config)#ip dhcp excluded-address 192.168.10.254
R(Config)#ip dhcp pool LAN-POOL-1
R(Config)#network 192.168.10.0 255.255.255.0

R(Config)#default-router 192.168.10.1

3. NAT

Cho phep cac di chi IP private ra ngoai duoc internet

NAT tĩnh:

Thuong dung cho cac server public

R2(config)#ip nat inside source static 192.168.10.10 209.165.200.226
R2(config)#ip nat outside source static 209.165.200.254 10.1.1.1
R2(config)#ip nat outside source static 209.165.200.254 10.2.2.1

R2(config)#interface f0/0
R2(config-if)#ip nat inside
R2(config-if)#exit

R2(config)#interface f0/1
R2(config-if)#ip nat outside
R2(config-if)#exit

Nat dong:

- Interface

Chuc nang cua cac modem o nha, nhieu dia chi private voi nhieu interface

- Pool
Dung can bang tai cho cac server