Loading...
Loading...
Document VersionRelease DateDetails209/22/2016Updated the Resolution.103/23/2016Original Document Release.For any of the impacted platforms and versions, the switch may experience BPDU starvation. This will be accompanied by log messages similar to the following:I 03/15/16 12:07:26 00842 stp: ST1-CMDR: CIST starved for a BPDU Rx on port 1/1from 32768:40a8f0-9e4600I 03/15/16 12:07:26 00839 stp: ST1-CMDR: CST Root changed from 8192:40a8f0-9e2600 to 32768: (this device)I 03/15/16 12:07:27 00839 stp: ST1-CMDR: CST Root changed from 32768: (thisdevice) to 8192: 40a8f0-9e2600This BPDU starvation issue is within the MSTP BPDU Throttling feature, enabled by default on HPE 3800 Switch Series, HPE 2920 Switch Series, and HPE 5400R zl2 Switch Series. The feature is disabled by default on HPE 5400 zl Switch Series. The feature’s configuration status can be confirmed by running the following command.2920(config)# show spanning-tree bpdu-throttleBPDU Throttling State : EnabledBPDU Throttle value : 256For more information on the MSTP BPDU Throttling feature, see the chapter onMultiple Instance Spanning Tree in the HPE ArubaOS-Switch Advanced Traffic Management Guidefor your switch.
The table below shows the applicable switches and software:Switch SeriesSoftware VersionsHPE 3800 Switch SeriesKA.16.01.0004HPE 5400R zl2 Switch Series (v2 modules only)KB.16.01.0004HPE 5400 zl Switch Series (v2 modules only)K.16.01.0004HPE 2920 Switch SeriesWB.16.01.0004
A software update for this issue is available in the following OS versions available athttp://www.hpe.com/networking/software.Switch SeriesSoftware VersionsHPE 3800 Switch SeriesKA.16.01.0006 or laterHPE 5400R witch Series (v2 modules only)KB.16.01.0006 or laterHPE 5400 zl Switch Series (v2 modules only)K.16.01.0006 or laterHPE 2920 Switch SeriesWB.16.01.0006 or laterIf you need to use the exposed software version and encounter the issue, the following workaround is recommended:Disable the spanning tree bpdu throttle feature.To disable the spanning-tree bpdu-throttle feature, run the command "no spanning-tree bpdu-throttle". For example:2920(config)# no spanning-tree bpdu-throttleThe switch configuration will include the following line when the spanning tree bpdu-throttle feature is disabled:no spanning-tree bpdu-throttleNOTE: Be sure to issue "write memory" to preserve the command in the startup configuration.RECEIVE PROACTIVE UPDATES: Receive support alerts (such as Customer Advisories), as well as updates on drivers, software, firmware, and customer replaceable components, proactively via e-mail through HPE Subscriber's Choice. Sign up for Subscriber's Choice at the following URL:Proactive Updates Subscription Form.NAVIGATION TIP: For hints on navigating HP.com to locate the latest drivers, patches, and other support software downloads for ProLiant servers and Options, refer to theNavigation Tips document.SEARCH TIP: For hints on locating similar documents on HP.com, refer to theSearch Tips document.
Operating Systems Affected:Not Applicable
Click on a version to see all relevant bugs
Hewlett Packard Enterprise Integration
Learn more about where this data comes from
BugZero Plan
Streamline upgrades with automated vendor bug scrubs
BugZero Prevent
Wish you caught this bug sooner? Get proactive today.