S e n d d o c u m e n t a t i o n c o m m e n t s t o n e x u s 5 k d o c s @ c i s c o . c o m
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Resolved Caveats—Cisco NX-OS Release 4.0(0)N1(1a)
This section lists the resolved caveats for this release.
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OL-16601-01
CSCsq27576
Symptom: FC-SP authentication is supported only with a switch over the E/TE port. Authentication
with native Fibre Channel (FC) and Fibre Channel over Ethernet (FCoE) initiator or target is not
supported.
Workaround: None.
CSCsq32710
Symptom: SNMP users configured with a user-defined roles cannot retrieve any Fibre Channel
interfaces.
Workaround: Use one of the predefined roles on the switch such as network-admin or
network-operator.
CSCsq37899
Symptom: Deleting class-fcoe or class-default from an output policy map will cause show
policy-map and show running-config terminal commands to be inconsistent if the priority
keyword was configured for either of the classes.
Workaround: The default bandwidth percentage for class-fcoe and class-default is 50 percent.
Before you remove these classes from an output policy, make sure that the remaining classes in the
policy map do not exceed 50 percent. Alternatively, if you want to allocate minimum bandwidth to
class-fcoe or class-default, configure the bandwidth for these classes to 0 percent.
CSCsq39683
Symptom: Fibre Channel links with traffic running on it might generate syslog errors such as the
following:
2008 May 21 15:08:55 switch %KERN-3-SYSTEM_MSG: FCP_ERRFCP_PORT:
gat_fcp_isr_process_blk_intr@1441, jiffies = 0xb1cec:ISR threshold reached, reg_block
= 0x8, num_regs = 6, idx = 0, src_bit = 11 - kernel
There is no loss in functionality and these messages can be ignored.
Workaround: None.
CSCso83662
Symptom: One global MAC address is used in all STP and PVRST frames originating on various
ports. This can result in inconsistent MAC moves on peer switches connected with multiple links.
Workaround: None.
CSCsq53614
Symptom: Ethernet port channels configured between two Nexus 5000Series switches cause a
memory leak in the DCBX process. This leak eventually leads to the DCBX process crashing and a
system reboot (in a few days). This issue occurs only with Ethernet port channels between Nexus
5000 Series switches. Port channels using the Catalyst 6500 Series switches do not have this
problem.
Workaround: Disable receive and transmit Link Layer Discovery Protocol (LLDP) on the port
channel members by entering the following configuration under each Ethernet interface that is a
member of the port channel:
Interface Ethernet 1/1
Cisco Nexus 5000 Series Release Notes, Release 4.0(1a)N1(1a)
Caveats
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