Specifications

Running Traces
A-12 Troubleshooting a RoamAbout Switch
Displaying Trace Results
Toviewtheoutputofcurrentlyrunningtracecommands,usethefollowingcommand:
show log trace [{+|-|/}number-of-messages] [facility facility-name]
[matching string] [severity severity-level]
Forexample,thefollowingcommanddisplaysatracelogoferror‐levelevents:
RBT-8100# show log trace severity error
KERNEL Jan 15 23:08:10 ERROR duplicate IP address 10.7.122.102 sent from link
address 00:05:5d:45:ae:cd
Todisplayaspecificnumberoftracelogmessages,youmustenteraplussign(+),minussign(‐),
orslash(/)beforethenumber.Thesecharactersfilterthemessagesdisplayedasfollows:
Tofiltertraceoutput byMSSarea,usethefacilityfacility‐namekeyword.Foralistof
validfacilities
forwhichyoucanvieweventmessages,typethefollowingcommand:
RBT-8100# show log trace facility ?
<facility name> Select one of: KERNEL, AAA, SYSLOGD, ACL, APM,
ARP,ASO, BOOT, CLI, CLUSTER, CRYPTO, DOT1X, ENCAP, ETHERNET, GATEWAY, HTTPD,
IGMP, IP, MISC, NOSE, NP, RAND, RESOLV, RIB, ROAM, ROGUE, SM, SNMPD, SPAN, STORE,
SYS, TAGMGR, TBRIDGE, TCPSSL, TELNET, TFTP, TLS, TUNNEL, VLAN, X509, XML, AP,
RAPDA, WEBVIEW, EAP, PORTCONFIG, FP.
Copying Trace Results to a Server
TocopythecontentsofthetracebuffertoafileonaTFTPserver,usethefollowingcommand:
copy trace-buffer-name tftp://[destination-ip-addr | destination-hostname]/
destination-filename
Tofindthenameofthetracebufferfile,usethedircommand.
Forexample,thefollowingcommandcopiesthelogmessagesintracebuffer0000000001toaTFTP
serveratIPaddress192.168.253.11,inafilecalledlog‐file:
RBT-8100# copy 0000000001 tftp://192.168.253.11/log-file
Clearing the Trace Log
Toclearallmessagesfromthetracelogbuffer,typethefollowingcommand:
RBT-8100# clear log trace
List of Trace Areas
ToseeallMSSareasyoucantrace,typethefollowingcommand:
RBT-8100# set trace ?
+number-of-messages Displays the specified number of log entries, starting with the oldest in the log.
-number-of-messages Displays the specified number of entries, starting with the newest in the log.
/number-of-messages Displays the specified number of the most recent entries in the log, starting with
the least recent.