Chapter 19
| VLAN Commands
Configuring MAC Based VLANs
– 480 –
mac-vlan
This command configures MAC address-to-VLAN mapping. Use the
no
form to
remove an assignment.
Syntax
mac-vlan
mac-address
mac-address [
mask
mask-address]
vlan
vlan-id
[
priority
priority]
no mac-vlan mac-address
{mac-address [
mask
mask-address] |
all
}
mac-address – The source MAC address to be matched. Configured MAC
addresses can only be unicast addresses. The MAC address must be
specified in the format xx-xx-xx-xx-xx-xx or xxxxxxxxxxxx.
mask-address - Identifies a range of MAC addresses. The mask can be
specified in the format xx-xx-xx-xx-xx-xx or xxxxxxxxxxxx, where an
equivalent binary value “1” means relevant and “0” means ignore.
vlan-id – VLAN to which the matching source MAC address traffic is
forwarded. (Range: 1-4094)
priority – The priority assigned to untagged ingress traffic. (Range: 0-7,
where 7 is the highest priority)
Default Setting
None
Command Mode
Global Configuration
Command Usage
◆
The MAC-to-VLAN mapping applies to all ports on the switch.
◆
Source MAC addresses can be mapped to only one VLAN ID.
◆
Configured MAC addresses cannot be broadcast or multicast addresses.
◆
When MAC-based, IP subnet-based, and protocol-based VLANs are supported
concurrently, priority is applied in this sequence, and then port-based VLANs
last.
◆
The binary equivalent mask matching the characters in the front of the first
non-zero character must all be 1s (e.g., 111, i.e., it cannot be 101 or 001...). A
mask for the MAC address: 00-50-6e-00-5f-b1 translated into binary:
MAC: 00000000-01010000-01101110-00000000-01011111-10110001
could be: 11111111-11xxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx
So the mask in hexadecimal for this example could be:
ff-fx-xx-xx-xx-xx/ff-c0-00-00-00-00/ff-e0-00-00-00-00
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