Command Reference Guide

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System maintenance options
Command: /maint/sys
[System Maintenance Menu]
flags - Set NVRAM flag word
tmask - Set MP trace mask word
The System Maintenance Menu is reserved for use by NEC technical support. The options are used to
perform system debugging.
The following table describes the System Maintenance Menu options.
Table 188 System Maintenance Menu options
Command
Usage
flags <new NVRAM flags word as
0xXXXXXXXX>
Sets the flags that are used for debugging purposes
by NEC technical support.
tmask
Sets the tracemask
Forwarding Database options
Command: /maint/fdb
[FDB Manipulation Menu]
find - Show a single FDB entry by MAC address
port - Show FDB entries for a single port
vlan - Show FDB entries for a single VLAN
dump - Show all FDB entries
clear - Clear entire FDB, then re-add static entries
FDB (The Forwarding Database) Manipulation Menu 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 Menu options.
Table 189 FDB Manipulation Menu options
Command
Usage
find <MAC address> [<1-4094>]
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).
port <port number>
Displays all FDB entries for a particular port.
vlan <1-4094>
Displays all FDB entries on a single VLAN.
dump
Displays all entries in the Forwarding Database.
clear
Clears the entire Forwarding Database from switch memory, then
adds the static entries to the Forwarding Database.