Forwarding Database Maintenance; Debugging Options - HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Cli Reference Manual
Hp 1:10gb ethernet bl-c switch for c-class bladesystem iscli reference guide
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Also See for 438031-B21 - 1:10Gb Ethernet BL-c Switch:
- Reference manual (252 pages) ,
- Command reference manual (208 pages) ,
- Application manual (195 pages)
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Forwarding Database maintenance
The Forwarding Database (FDB) Manipulation commands can be used to view information and to delete
a MAC address from the Forwarding Database or clear the entire Forwarding Database. This is helpful in
identifying problems associated with MAC address learning and packet forwarding decisions.
The following table describes the FDB Manipulation commands.
FDB Manipulation commands
Table 181
Command
show mac-address-table
address {}
show mac-address-table port
{}
show mac-address-table vlan
{<1-4095>}
show mac-address-table
clear mac-address-table
Debugging options
The Miscellaneous Debug commands display trace buffer information about events that can be helpful in
understanding switch operation. You can view the following information using Debug commands:
Events traced by the management processor (MP)
Events traced to a buffer area when a reset occurs
If the switch resets for any reason, the management processor (MP) trace buffer is saved into the snap
trace buffer area. The output from these commands can be interpreted by HP technical support.
Usage
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 one of
the following:
xx:xx:xx:xx:xx:xx format (for example: 08:00:20:12:34:56)
xxxxxxxxxxxx format (for example: 080020123456)
Command mode: All except User EXEC
Displays all FDB entries for a particular port.
Command mode: All except User EXEC
Displays all FDB entries on a single VLAN.
Command mode: All except User EXEC
Displays all entries in the Forwarding Database.
Command mode: All except User EXEC
Clears the entire Forwarding Database from switch memory, then adds the
static entries to the Forwarding Database.
Command mode: All except User EXEC
Maintenance Commands
184
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