User guide

6-4 SUMMIT SWITCH INSTALLATION AND USER GUIDE
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
REMOVING FDB ENTRIES
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