To clear Cisco Express Forwarding (CEF) information from line cards, use the clear cef linecard EXEC command.
clear cef linecard [slot-number] [adjacency | interface | prefix ]
slot-number (Optional) Line card slot number to clear. When you omit this argument, all line card slots are cleared.
adjacency (Optional) Clears line card adjacency tables and rebuilds adjacency for the specified line card.
interface (Optional) Clears line card interface information and re-creates the interface information for the specified line card.
prefix (Optional) Clears line card prefix tables and starts rebuilding the FIB table.
EXEC
| Release | Modification | 11.2 GS | This command was introduced to support the Cisco 12012 Gigabit Switch Router. |
11.1 CC | Multiple platform support was added. |
|---|
This command is available only on routers with line cards. This command clears CEF information only on the line cards; CEF information on the route processor is not affected.
Once you clear CEF information from line cards, the corresponding information from the route processor is propagated to the line cards. Inter Process Communication (IPC) ensures that CEF information on the route processor matches the CEF information on the line cards.
The following example clears the CEF information from the line cards:
clear cef linecard
| Command | Description |
|---|---|
| show cef linecard | Displays CEF-related interface information by line card. |
Printed for apswan@ctr.ap.nic.in on Wed Mar 5 22:32:57 PST 2003
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