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Cisco® Field Manual: Catalyst® Switch Configuration by Steve McQuerry, Dave Hucaby

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4-1. Switching Table

  • The switching table contains MAC addresses and the switch ports on which they were learned or statically configured.

  • Packets or frames are forwarded by looking up the destination MAC address in the switching table. The frame is sent out the corresponding switch port.

  • The switching table entries are normally dynamically learned as packets flow. Entries can also be statically defined.

Configuration

1.
(Optional) Assign a static switching table entry:
COS
												set cam {dynamic | static | permanent} {mac-addr |

												route-descr} mod/port [vlan-id]
IOS
(global) mac-address-table {dynamic | static | 
secure} mac-addr {vlan
												vlan-id} {interface ...

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