HP Cisco Nexus 5000 Cisco Nexus 5000 Series Release Notes Release 4.1(3)N1(1) - Page 10
Send documentation comments to [email protected], Symptom, Workaround, no shut, reload - vpc configuration example
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Caveats Send documentation comments to [email protected] • CSCta00231 Symptom: After a downgrade, the interface policy may silently get added to the system level without a warning message. This may change the entire qos queuing policy. Workaround: Remove the system policy BW/SPQ parameters, configure the queuing policy and add the parameters again to the interfaces. • CSCsv39939 Symptom: Incorrect values are displayed for interface capabilities for ports for Cisco Nexus 2000 Series Fabric extenders connected to a Cisco Nexus 5000 Series switch. In particular, the number of input and output queues for the ports are displayed as zero instead of two. Workaround: This is a display issue and does not impact functionality. • CSCsz81365 Symptom: SPAN session should stop reflecting packets as soon as mapping is removed. Workaround: None. • CSCta04383 Symptom: When you install a new image from one of two vPC switches, the vPC switch gets upgraded. Also, each of the connected Fabric Extenders update their firmware with the new version, but continue to run the current version and stay connected to the other vPC switch. When you reload the upgraded switch, but revert back to the older version of software on the switch, both the vPC switches and all the Fabric Extenders run the older version of software. However, the Fabric Extenders have the more recent version of software in the firmware. When the Fabric Extenders reload there is loss of connectivity with the hosts. Workaround: Re-install the older version of software from either of the two switches while the Fabric Extenders are connected to that switch. • CSCta13997 Symptom: When vpc peer-link is down on Cisco Nexus 5000 Series switches, ports fail to come up on a Cisco Nexus 2000 Fabric Extender that is dual homed to the Nexus 5000 Series switches with vPC. Workaround: Restore the peer-link before making new connections to the Cisco Nexus 2000 Fabric Extender. • CSCsx35870 Symptom: The CLI times out when a large number of VLANs are created and deleted followed by PVLAN creation and deletion. The system indicates that the Ethernet Port Manager (ethpm) has timed out to communicate with the SPAN manager or PVLAN manager. As a result, some of the PVLAN interfacse will be error disabled. Workaround: Perform shut and no shut on the error disabled interfaces. • CSCsx59489 Symptom: Call home notifications for events generated when both a switch and a Fabric Extender are rebooting may contain a timestamp of January 1 1970 as shown in the following example: System Notification from sample-system - environment:minor - 1970-01-01 00:00:00 GMT+0000 The most likely scenario where this would occur is after a power failure or after issuing the reload all command. The event is generated before the Fabric Extender connects with the switch and before the local time is updated for the Fabric Extender. Workaround: None. Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, Release 4.1(3)N1(1) 10 OL-16601-01