Owner's manual

WS5000 Series Switch Troubleshooting Guide
1-8
1.3.2 MUs Cannot Associate and/or Authenticate with Access Ports
MUs cannot associate and/or authenticate with access ports. Table 1.9 provides suggestions to troubleshoot
this issue.
1.3.3 Poor Voice Quality Issues
VOIP MUs, BroadCast MultiCast and SpectraLink phones have poor voice quality issues. Table 1.10 provides
suggestions to troubleshoot this issue.
1.4 Failover Issues
This section describes various issues related to the failover capabilitie of the WS5000 Series Switch. Possible
issues include:
• Switch is Not Failing Over
• Switch is Failing Over Too Frequently
Table 1.9 MUs Cannot Associate and/or Authenticate with Access Ports Troubleshooting Notes
Possible Issue Suggestions to Correct
Preamble differences Verify that the Preamble matches between switch and MUs. Try a different setting.
Use the show command from the Access Port Policy Instance prompt
(WS5000.(Cfg).APPolicy.[Name]>)
Device key issues Verify in Syslog that there is not a high rate of decryption error messages. This could
indicate that a device key is incorrect.
MU is not in Adopt List Verify that the device is not in the “do not adopt ACL”.
Keyguard not set on client Verify that Keyguard is set on the client if the Security/WLAN Policy calls for Keygaurd.
Table 1.10 Poor Voice Quality Issues Troubleshooting Notes
Possible Issue Suggestions to Correct
Traffic congestion with
data traffic
• Maintain voice and data traffic on separate WLANs.
• Use a Classifier to provide dedicated bandwidth if data and voice traffic are running
on the same WLAN.
Long preamble not used on
Spectralink phones
Verify that a long preamble is used with Spectralink phones.