show idb
CF-682
Cisco IOS Configuration Fundamentals Command Reference
July 2008
show idb
To display information about the status of interface descriptor blocks (IDBs), use the show idb command
in privileged EXEC mode.
show idb
Syntax Description This command has nor arguments or keywords.
Command Modes Privileged EXEC
Command History
Examples The following is sample output from the show idb command:
Router# show idb
Maximum number of Software IDBs 8192. In use 17.
HWIDBs SWIDBs
Active 5 14
Inactive 10 3
Total IDBs 15 17
Size each (bytes) 5784 2576
Total bytes 86760 43792
HWIDB#1 1 2 GigabitEthernet0/0 0 5, HW IFINDEX, Ether)
HWIDB#2 2 3 GigabitEthernet9/0 0 5, HW IFINDEX, Ether)
HWIDB#3 3 4 GigabitEthernet9/1 6 5, HW IFINDEX, Ether)
HWIDB#4 4 5 GigabitEthernet9/2 6 5, HW IFINDEX, Ether)
HWIDB#5 13 1 Ethernet0 4 5, HW IFINDEX, Ether)
Tabl e 87 describes the significant fields shown in the display.
Release Modification
12.1 This command was introduced.
12.2(15)T The output of this command was changed to show additional information.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
Table87 show idb Field Descriptions
Field Description
In use Total number of software IDBs (SWID Bs) tha t have b een allocated. This number never
decreases. SWIDBs are never deallocated.
Active Total number of hardware IDBs (HWIDBs) and SWIDBs that are allocated and in use.
Inactive Total number of HWIDBs and SWIDBs that are allocated but not in use.
Total Total number of HWIDBs and SWIDBs that are allocated.