Reserved Mac Addresses - Cisco SX350 Series Administration Manual

Managing MAC Address Tables

Reserved MAC Addresses

Reserved MAC Addresses
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Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
When the device receives a frame with a destination MAC address that belongs to a reserved
range (per the IEEE standard), the frame can be discarded or bridged. The entry in the
Reserved MAC Address Table can either specify the reserved MAC address or the reserved
MAC address and a frame type:
To add an entry for a reserved MAC address:
Click MAC Address Tables > Reserved MAC Addresses.
The MAC addresses are displayed. The fields are described in the Add page, except for the
following field:
Protocol—Displays the protocol supported on the device (called Peer),
Click Add.
Enter the values for the following fields:
• MAC Address—Select the MAC address to be reserved.
• Frame Type—Select a frame type based on the following criteria:
- Ethernet V2—Applies to Ethernet V2 packets with the specific MAC address.
- LLC—Applies to Logical Link Control (LLC) packets with the specific MAC
address.
- LLC-SNAP—Applies to Logical Link Control/Sub-Network Access Protocol (LLC-
SNAP) packets with the specific MAC address.
- All—Applies to all packets with the specific MAC address.
• Action—Select one of the following actions to be taken upon receiving a packet that
matches the selected criteria:
- Bridge—Forward the packet to all VLAN members.
- Discard—Delete the packet.
Click Apply. A new MAC address is reserved.
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