HP GbE2c HP GbE2c Ethernet Blade Switch for c-Class BladeSystem ISCLI Referenc - Page 27

FDB information commands, show mac-address-table address

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Table 17 Layer 2 information commands Command show vlan information show layer2 Usage Displays VLAN configuration information, including: • VLAN Number • VLAN Name • Status • Port membership of the VLAN Command mode: All Dumps all switch information available from Layer 2 memory (10K or more, depending on your configuration). If you want to capture dump data to a file, set your communication software on your workstation to capture session data prior to issuing the dump commands. Command mode: All FDB information commands The forwarding database (FDB) contains information that maps the media access control (MAC) address of each known device to the switch port where the device address was learned. The FDB also shows which other ports have seen frames destined for a particular MAC address. NOTE: The master forwarding database supports up to 8K MAC address entries on the management processor (MP) per switch. Table 18 FDB information commands show mac-address-table address Displays a single database entry by its MAC address. You are prompted to enter the MAC address of the device. Enter the MAC address using the format: xx:xx:xx:xx:xx:xx. (For example: 08:00:20:12:34:56) You can also enter the MAC address using the format: xxxxxxxxxxxx. (For example: 080020123456) Command mode: All show mac-address-table port Displays all FDB entries for a particular port. Command mode: All show mac-address-table vlan show mac-address-table state {flood|forward|ifmac|ignore|trunk| unknown} Displays all FDB entries on a single VLAN. The range is 1-4095. Command mode: All Displays all FDB entries that match a particular state. Command mode: All show mac-address-table Displays all entries in the Forwarding Database. Command mode: All Information Commands 27

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Information Commands 27
Table 17
Layer 2 information commands
Command
Usage
show vlan information
Displays VLAN configuration information, including:
•
VLAN Number
•
VLAN Name
•
Status
•
Port membership of the VLAN
Command mode:
All
show layer2
Dumps all switch information available from Layer 2 memory
(10K or more, depending on your configuration).
If you want to capture dump data to a file, set your
communication software on your workstation to capture
session data prior to issuing the dump commands.
Command mode:
All
FDB information commands
The forwarding database (FDB) contains information that maps the media access control (MAC) address of each
known device to the switch port where the device address was learned. The FDB also shows which other ports have
seen frames destined for a particular MAC address.
NOTE:
The master forwarding database supports up to 8K MAC address entries on the management processor
(MP) per switch.
Table 18
FDB information commands
show mac-address-table address
<mac-
address>
Displays a single database entry by its MAC address. You are
prompted to enter the MAC address of the device.
Enter the MAC address using the format:
xx:xx:xx:xx:xx:xx.
(For
example: 08:00:20:12:34:56)
You can also enter the MAC address using the format:
xxxxxxxxxxxx.
(For example: 080020123456)
Command mode:
All
show mac-address-table port
<port
number>
Displays all FDB entries for a particular port.
Command mode:
All
show mac-address-table vlan
<1-4095>
Displays all FDB entries on a single VLAN. The range is 1-4095.
Command mode:
All
show mac-address-table state
{
flood|forward|ifmac|ignore|trunk|
unknown
}
Displays all FDB entries that match a particular state.
Command mode:
All
show mac-address-table
Displays all entries in the Forwarding Database.
Command mode:
All