Specifications
5-14 VLAN Commands
show fdb
Displaysentriesintheforwardingdatabase.
Syntax
show fdb [mac‐addr‐glob [vlan vlan‐id]]
show fdb {perm | static | dynamic | system | all} [port port-list | vlan vlan-id]
Parameters
Defaults
None.
Mode
All.
Usage
Todisplaytheentireforwardingdatabase,entertheshowfdbcommandwithoutoptions.To
displayonlyaportionofthedatabase,useoptionalparameterstospecifythetypesofentriesyou
wanttodisplay.
mac‐addr‐glob AsingleMACaddressorsetof MACaddresses.SpecifyaMACaddress,or
use
thewildcardcharacter(*)tospecifyasetofMACaddresses.(For
details,see“MACAddressGlobs”onpage 1‐4.)
vlan vlan‐id NameornumberofaVLANforwhichtodisplayentries.
perm Displayspermanententries.Apermanententrydoesnotageoutand
remainsinthedatabaseevenafter
areboot,reset,orpowercycle.
static Displaysstaticentries.A staticentrydoesnotageout,butisremovedfrom
thedatabaseafterareboot,reset,orpowercycle.
dynamic Displaysdynamicentries.Adynamicentryisautomaticall yremoved
throughagingorafterareboot,reset,orpowercycle.
system Displayssystem
entries.AsystementryisaddedbyMSS.Forexample,the
authenticationprotocolscanaddentriesforwiredandwireless
authenticationusers.
all Displaysallentriesinthedatabase,oralltheentriesthatmatchaparticular
portorportsoraparticularVLAN.
port port‐list Destinationport(s)forwhichtodisplay
entries.