6-4
S
UMMIT
S
WITCH
I
NSTALLATION
AND
U
SER
G
UIDE
S
WITCH
F
ORWARDING
D
ATABASE
(FDB)
The following sample output shows the information displayed when you request
output for all FDB entries:
show fdb
Hash Num Mac Vlan Flags Ptag PortList
--------------------------------------------------------------- -
0ff0: 0 ff:ff:ff:ff:ff:ff Default(0001) sm 0fdf CPU,1,19
1823: 0 08:00:4e:2b:f3:00 Default(0001) sm 0ff1 CPU
2bfb: 0 00:80:c7:01:cb:bd Default(0001) dm 0000 1
3289: 0 00:e0:2b:00:00:00 Default(0001) sm 0ffb CPU
373d: 0 01:80:c2:00:00:00 (0000) sm 0ffb CPU
Total: 5 Static: 4 Perm: 0 Dyn: 1 Dropped: 0
FDB Aging time: 300 seconds
The
show
command displays summary information, including
¥
MAC address
¥
VLAN name and VLANid
¥
Entry method (dynamic/static/permanent)
¥
Port
R
EMOVING
FDB E
NTRIES
You can remove one or more speciÞc entries from the FDB, or you can clear the entire
FDB of all entries by using the commands listed in
Table 6-2
.
Table 6-2: Removing FDB Entry Commands
Command
Description
delete fdbentry <macaddress> vlan <name>
Deletes a permanent FDB entry.
clear fdb {all | <macaddress> | vlan <name> |
<portlist>}
Clears dynamic FDB entries that match
the filter. Use the keyword
all
to clear all
dynamic entries.
SUMMIT.BK Page 4 Thursday, September 25, 1997 12:33 PM
