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Affected Software Product | Affected Release | Affected Release Number | Comments |
---|---|---|---|
Wireless LAN Controller Software | 8.2 | 8.2.141.0, 8.2.151.0, 8.2.160.0, 8.2.161.0, 8.2.164.0, 8.2.166.0 | |
Wireless LAN Controller Software | 8.4 | 8.4.100.0 | |
Wireless LAN Controller Software | 8.5 | 8.5.103.0, 8.5.105.0 |
Defect ID | Headline |
CSCve57121 | Cisco 2800, 3800 and 1560 series APs fail to pass traffic |
Wireless clients might intermittently be unable to pass traffic after association.
Due to a software problem in certain Cisco Aironet Access Points (APs), some clients might be unable to pass traffic after association.
A wireless client automatically associates, but after a few seconds it is no longer able to ping its default gateway. If, at that time, this output from the AP CLI is examined:
(OR) show controllers dot11Radio 1 client - For the Slot 1 or 5 Ghz radio stat
If the client MAC address is present in the show controllers dot11Radio 0 client or show controllers dot11Radio 1 client command output and not present in the show controllers nss status command output, you have encountered this bug.
Example output:
AP-2802-CLI# show controllers dot11Radio 1 client mac radio vap aid state encr Maxrate is_wgb_wired wgb_mac_addr 11:22:33:44:55:66 1 3 16 FWD OPEN MCS82SS false 00:00:00:00:00:00 AA:BB:CC:DD:EE:FF 1 3 145 FWD OPEN MCS82SS false 00:00:00:00:00:00 AA:AA:AA:BB:BB:BB 1 2 20 FWD OPEN MCS93SS false 00:00:00:00:00:00 BB:BB:BB:AA:AA:AA 1 2 181 FWD OPEN MCS82SS false 00:00:00:00:00:00 AB:AB:AB:BA:BA:BA 1 4 171 FWD AES_CCM128 MCS82SS false 00:00:00:00:00:00 CC:DD:EE:FF:GG:HH 1 2 98 FWD OPEN MCS82SS false 00:00:00:00:00:00 AP-2802-CLI#show controllers nss status Client Configuration: Current Count: 5 | MAC | OPAQUE |PRI POL|VLAN|BR|TN|QCF|BSS|RADID|MYMAC| |BB:BB:BB:AA:AA:AA|B8241B94| 1| 0| 1| 1| 0| 2| 1| 0| |AA:BB:CC:DD:EE:FF|B8241B94| 1| 0| 1| 1| 0| 3| 1| 0| |AA:AA:AA:BB:BB:BB|B8241B94| 1| 0| 1| 1| 0| 4| 1| 0| |AB:AB:AB:BA:BA:BA|B8241B94| 1| 0| 1| 1| 0| 2| 1| 0| |CC:DD:EE:FF:GG:HH|B8241B94| 1| 0| 1| 1| 0| 2| 1| 0|
In the example output, the client MAC address 11:22:33:44:55:66 is not present in the show controller nss status command output and hence the AP has encountered this issue.
The software upgrades are:
This problem affects only these AP series with the affected software versions noted previously:
Version | Description | Section | Date |
2.0 | Updated the Products Affected and Workaround/Solution Sections | — | 2018-JUN-19 |
1.0 | Initial Release | — | 2018-MAY-29 |
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