ProLiant BL p-Class GbE2 Interconnect Switch ISCLI Reference Guide

Information Commands 27
Table 17 Layer 2 information commands
Command Usage
show spanning-tree mstp cist information Displays Common internal Spanning Tree (CIST) bridge
information, including the following:
• Priority
• Hello interval
• Maximum age value
• Forwarding delay
You can also view port-specific CIST information, including
the following:
• Port number and priority
• Cost
• State
Command mode: All
show portchannel information When trunk groups are configured, you can view the state of
each port in the various trunk groups.
Command mode: All
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