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Configuring FDB Entries
Summit 200 Series Switch Installation and User Guide 111
Configuring FDB Entries
To configure entries in the FDB, use the commands listed in Table 31.
FDB Configuration Examples
The following example adds a permanent entry to the FDB:
Table 31: FDB Configuration Commands
Command Description
clear fdb [{<mac_address> | vlan <name>
| ports <portlist>}]
Clears dynamic FDB entries that match the filter.
When no options are specified, the command
clears all FDB entries.
config fdb agingtime <number> Configures the FDB aging time. The range is 15
through 1,000,000 seconds. The default value is
300 seconds. A value of 0 indicates that the entry
should never be aged out.
create fdbentry <mac_address> vlan
<name> ports [<portlist> | all] {{qosprofile
<qosprofile> {ingress-qosprofile
<qosprofile>}} | {ingress-qosprofile
<qosprofile> {qosprofile <qosprofile>}}
Creates a permanent static FDB entry. Specify the
following:
• mac_address—Device MAC address, using
colon separated bytes.
• name—VLAN associated with MAC address.
• portlist—Port numbers associated with MAC
address.
• qosprofile—QoS profile associated with
destination MAC address of the egress port.
• ingress-qosprofile—QoS profile
associated with the source MAC address of the
ingress port.
If more than one port number is associated with a
permanent MAC entry, packets are multicast to the
multiple destinations.
create fdbentry <mac_address> vlan
<name> dynamic {{qosprofile <qosprofile>
{ingress-qosprofile <qosprofile>}} |
{ingress-qosprofile <qosprofile> {qosprofile
<qosprofile>}}
Creates a permanent dynamic FDB entry. Assigns
a packet with the specified MAC address and VLAN
to a specific QoS profile. If you only specify the
ingress QoS profile, the egress QoS profile defaults
to none, and vice-versa. If both profiles are
specified, the source MAC address of an ingress
packet and the destination MAC address of an
egress packet are examined for QoS profile
assignment.
create fdbentry <mac_address> vlan
<name> blackhole {source-mac | dest-mac
| both}
Creates a blackhole FDB entry. Specify:
• source-mac—The blackhole MAC address
matches the ingress source MAC address.
• dest-mac—The blackhole MAC address
matches the egress destination MAC address.
• both—The blackhole MAC address matches the
ingress source MAC address or the egress
destination MAC address.
delete fdbentry {<mac_address> vlan
<name> | all}
Deletes one or all permanent FDB entries.