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Cisco IOS Software, Linux Software (I86BI_LINUX-ADVENTERPRISEK9-M), Version 15.2(4)M1,
DEVELOPMENT TEST SOFTWARE
Lab created for RST Forum by: Yash Muni, Ritesh Gohil
LAB 3: Configure DHCP Relay Agent
Task 3: Configure IPv4 DHCP Relay Agent
Step 1. In the configuration mode of router configure IPv4 DHCP Relay Agent by following command:
Router 1 interface fastethernet 0/0 no shutdown interface fastethernet 0/0.1 encapsulation dotlq 100 ip add 18.104.22.168 255.255.255.0 ip helper-address 22.214.171.124 interface fastethernet 0/0.2 encapsulation dot1q 200 ip add 126.96.36.199 255.255.255.0 ip helper-address 188.8.131.52 exit interface fastethernet 0/1 ip address 184.108.40.206 255.255.255.0 no shutdown exit Router 2 interface fastethernet 0/0 ip address 220.127.116.11 255.255.255.0 no shutdown ip dhcp pool VLAN100 network 18.104.22.168 255.255.255.0 default-router 22.214.171.124 exit ip dhcp excluded-address 126.96.36.199 ip dhcp pool VLAN200 network 188.8.131.52 255.255.255.0 default-router 184.108.40.206 exit ip dhcp excluded-address 220.127.116.11 ip route 0.0.0.0 0.0.0.0 18.104.22.168 Switch interface fastethernet 0/1 switchport mode trunk exit interface fastethernet 0/2 switchport access vlan 100 switchport mode access interface fastethernet 0/3 switchport access vlan 200 switchport mode access Configure the HOST to obtain IP from DHCP.