␡
- Inter-VLAN Communication Using an External Router: Router-on-a-Stick
- Inter-VLAN Communication Tips
- Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface
- Configuration Example: Inter-VLAN Communication
- Configuring DHCP Server on a Router or Layer 3 Switch
- Verifying and Troubleshooting DHCP Configuration
- Configuring a DHCP Helper Address
- DHCP Client on a Cisco IOS Software Ethernet Interface
- Configuration Example: DHCP
- Configuring Cisco Express Forwarding
- Verifying CEF
- Troubleshooting CEF
This chapter is from the book
Configuring a DHCP Helper Address
Router
Router(config)#interface fastethernet 0/0 |
Moves to interface configuration mode. |
Router(config-if)#ip helper-address 172.16.20.2 |
DHCP broadcasts will be forwarded as a unicast to this specific address rather than be dropped by the router. |
Layer 3 Switch
Switch(config)#interface vlan 10 |
Moves to SVI configuration mode. |
Switch(config-if)#ip helper-address 172.16.20.2 |
DHCP broadcasts will be forwarded as a unicast to this specific address rather than be dropped by the router. |