Chapter 8 Configuring FlexAttach Virtual pWWN

Monitoring FlexAttach Virtual pWWN

Verifying the End Device

To verify that the end device is logged with the correct virtual WWNs, use the show fcns database command on the NPV core. (See Example 8-2.)

Example 8-2 Verifying the End Device

switch# show fcns database VSAN 1:

--------------------------------------------------------------------------

FCID TYPE PWWN (VENDOR) FC4-TYPE:FEATURE

--------------------------------------------------------------------------

0x010000 N 20:01:00:0d:ec:2f:c1:40 (Cisco) npv

0x010001 N 20:02:00:0d:ec:2f:c1:40 (Cisco) npv

0x010200 N 21:00:00:e0:8b:83:01:a1 (Qlogic) scsi-fcp:init

0x010300 N 21:01:00:e0:8b:32:1a:8b (Qlogic) scsi-fcp:init Total number of entries = 4

Monitoring FlexAttach Virtual pWWN

Table 8-2lists the errors that might be displayed and provides the workarounds.

Table 8-2 FlexAttach Errors and Workarounds

Error

Description

Workaround

 

 

 

fc1/1 : interface is not

FlexAttach configuration

To move the port to the shut state, enable the

down

fails because the

FlexAttach configuration, and then move the port

 

configuration is enabled

to no shut state.

 

for an active interface with

 

 

the operation state as up.

 

 

 

 

FlexAttach

The FlexAttach

FlexAttach configuration will not be distributed

configuration is not

configuration on one peer

if cfs ipv4 distribute, or cfs ipv6 distribute is

distributed to the peers

NPV is not available to any

disabled. Enable cfs ipv4 distribute, or cfs ipv6

 

other peer NPV.

distribute.

 

 

 

Even with CFS

CFS over IP is enabled,

CFS over IP uses IP multicast to discover the

distribution enabled

and the Inagua in one

NPV peers in the network. IBM MM does not

Inagua does not

blade center is not the peer

support multicast and cannot act as a peer with

become a peer with

NPV for other NPVs.

NPV. This prevents the FlexAttach configuration

other NPVs

 

from getting distributed to other peer NPVs in the

 

 

network.

 

 

 

NP port uses physical

This occurs when NP port

FlexAttach is supported on server interfaces such

pWWN instead of

uses physical pWWN

as F ports, and not on external interfaces such as

virtual pWWN

instead of virtual pWWN,

NP ports.

configured through

that is configured through

 

FlexAttach

FlexAttach.

 

 

 

 

 

Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide

8-6

OL-29284-01, Release 6.x

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Cisco Systems DSC9148D8G48PK9 Monitoring FlexAttach Virtual pWWN, Verifying the End Device, Error Description Workaround