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Cisco C-series Nexus 5020 Nota di rilascio

1. Cisco Nexus 5020 Switch

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