Specifications

Using Show Commands
A-14 Troubleshooting a RoamAbout Switch
(FormoreinformationaboutAAA,seeChapter 3,ConfiguringAAAforAdministrativeand
LocalAccessandChapter 17,ConfiguringAAAforNetworkUsers.)
Viewing FDB Information
TheshowfdbcommanddisplaysthehostslearnedbytheRASandtheportstowhichtheyare
connected.Todisplayforwardingdatabase(FDB)information,typethefollowingcommand:
RBT-8100# show fdb
* = Static Entry. + = Permanent Entry. # = System Entry.
VLAN TAG Dest MAC/Route Des [CoS] Destination Ports or VCs/[Protocol Type]
---- ---- ------------------ ----- -----------------------------------------
130 3 00:05:5d:7e:94:83 1 [ALL]
130 130 00:02:2d:85:6b:4d t:192.168.14.6 [ALL]
130 130 00:0b:0e:12:34:56 t:192.168.15.5 [ALL]
130 130 00:0b:0e:02:76:f6 t:192.168.14.6 [ALL]
130 2 00:02:2d:86:bd:38 3 [ALL]
130 3 00:05:5d:84:d3:d3 1 [ALL]
4097 00:0b:0e:00:04:30 # CPU [ALL]
4096 00:0b:0e:00:04:30 # CPU [ALL]
130 00:0b:0e:00:04:30 # CPU [ALL]
Total Matching FDB Entries Displayed = 32
dynamic = 27, static=0, permanent=0, system=5
(Formoreinformationaboutforwardingdatabases,see“ManagingtheLayer2Forwarding
Database”onpage 4‐20.)
Viewing ARP Information
TheshowarpcommanddisplaystheARPagingtimerandARPentriesinthesystem.Todisplay
ARPinformation,typethefollowingcommand:
RBT-8100# show arp
ARP aging time: 1200 seconds
Host HW Address VLAN Type State
------------------------------ ----------------- ----- ------- --------
10.8.1.1 00:30:b6:3e:5c:a8 1 DYNAMIC RESOLVED
10.8.107.1 00:0b:0e:00:04:0c 1 LOCAL RESOLVED
(FormoreinformationaboutARP,see“ManagingtheARPTable”onpage 5‐25.)