User manual

Configuration Commands 81
Forwarding Database configuration
The following table describes the Forwarding Database Configuration commands.
Table 86 FDB Configuration commands
Command Description
aging <0-65535> Configures the aging value for FDB entries. The default value is 300.
show mac-address-table Displays current FDB parameters.
Static FDB configuration
The following table describes the Static FDB Configuration commands.
Table 87 Static FDB Configuration commands
Command Description
mac-address-table static [<MAC
address> <VLAN> <port>]
Adds a static entry to the forwarding database.
Command mode: Global configuration
no mac-address-table static
[<MAC address>|<VLAN>]
Deletes a static entry from the forwarding database.
Command mode: Global configuration
mac-address-table static all
[<VLAN>|<port>]
Clears specified static FDB entries from the forwarding database,
as follows:
• MAC address
• VLAN
• Port
• All
Command mode: Global configuration
Trunk configuration
Trunk groups can provide super-bandwidth connections between switches or other trunk capable devices. A trunk
is a group of ports that act together, combining their bandwidth to create a single, larger port. Up to 12 trunk groups
can be configured on the switch, with the following restrictions.
• Any physical switch port can belong to no more than one trunk group.
• Up to six ports/trunks can belong to the same trunk group.
• All ports in a trunk must have the same configuration for speed, flow control, and auto negotiation.
• Trunking from other devices must comply with Cisco® EtherChannel® technology.
• By default, port 17 and port 18 are trunked to support an internal switch-to-switch crosslink trunk. By default,
ports 17 and 18 are disabled.
NOTE: See the N8406-022 1Gb Intelligent L2 Switch Application Guide for information on how to use
port trunks.
The following table describes the Trunk Group Configuration commands.
Table 88 Trunk Group Configuration commands
Command Description
portchannel {<1-12>} member
{<port number>}
Adds a physical port to the current trunk group.
Command mode: Global configuration
no portchannel {<1-12>} member
{<port number>}
Removes a physical port from the current trunk group.
Command mode: Global configuration
portchannel {<1-12>} enable
Enables the current trunk group.
Command mode: Global configuration
no portchannel {<1-12>} enable
Disables the current trunk group.
Command mode: Global configuration
no portchannel {<1-12>}
Removes the current trunk group configuration.
Command mode: Global configuration
show portchannel {<1-12>}
Displays current trunk group parameters.
Command mode: All