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Summit 200 Series Switch Installation and User Guide 161
create fdbentry <mac_address> vlan <name> [blackhole | port <portlist> | dynamic]
qosprofile <qosprofile>
The MAC address options, defined below, are as follows:
• Permanent
• Dynamic
• Blackhole
Permanent MAC addresses
Permanent MAC addresses can be assigned a QoS profile whenever traffic is destined to the MAC
address. This can be done when you create a permanent FDB entry. For example:
create fdbentry 00:11:22:33:44:55 vlan default port 4 qosprofile qp2
Dynamic MAC Addresses
Dynamic MAC addresses can be assigned a QoS profile whenever traffic is destined to the MAC
address. For any port on which the specified MAC address is learned in the specified VLAN, the port is
assigned the specified QoS profile. For example:
create fdbentry 00:11:22:33:44:55 vlan default dynamic qosprofile qp3
The QoS profile is assigned when the MAC address is learned. If a client's location moves, the assigned
QoS profile moves with the device. If the MAC address entry already exists in the FDB, you can clear
the forwarding database so that the QoS profile can be applied when the entry is added again. Use the
following command to clear the FDB:
clear fdb
Blackhole MAC Address
Using the blackhole option configures the switch to not forward any packets to the destination MAC
address on any ports for the VLAN specified. The
blackhole option is configured using the following
command:
create fdbentry 00:11:22:33:44:55 vlan default blackhole
Verifying MAC-Based QoS Settings
To verify any of the MAC-based QoS settings, use either the command
show fdb permanent
or the command
show qosprofile <qosprofile>
Explicit Class of Service (802.1p and DiffServ) Traffic Groupings
This category of traffic groupings describes what is sometimes referred to as explicit packet marking, and
refers to information contained within a packet intended to explicitly determine a class of service. That
information includes:
• IP DiffServ code points, formerly known as IP TOS bits
• Prioritization bits used in IEEE 802.1p packets