- 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
Troubleshooting CEF
Switch#debug ip cef |
Displays debug information for CEF. |
Switch#debug ip cef drops |
Displays debug information about dropped packets. |
Switch#debug ip cef drops x |
Records CEF dropped packets that match access-list x. |
Switch#debug ip cef receive |
Displays packets that are not switched using information from the FIB but that are received and sent to the next switching layer. |
Switch#debug ip cef events |
Displays general CEF events. |
Switch#debug ip cef prefix-ipc |
Displays updates related to IP prefix information. |
Switch#debug ip cef table |
Produces a table showing events related to the FIB table. |
Switch#ping ip |
Performs an extended ping. |