Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Troubleshooting Guide download pdf (Page 29)

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Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.2(3)

OL-14116-04

Caveats

• CSCsk49029

Symptom: If there is a request to export a domain while the same domain is being cleaned up,

domain entries might not be programmed. As a result, communication between IVR devices might

not occur.

Workaround: Because the the programming request was lost, the only way to retrigger the

programming is to withdraw the domain and refresh IVR. Follow these steps:

1. Identify domains with problem using the show ivr internal dep command.

switch# show ivr internal dep

Internal information for DEP FSM

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

vsan domain nh status sync_status req i/f

101 0x61(97) 1001 ALL_DONE OXID|FCID_RW 0 [ fc3/2 ]

102 0x62(98) 1002 ALL_DONE OXID|FCID_RW 0 [ fc3/5 ]

1001 0x9e(158) 101 NONE OXID|FCID_RW 0 [ fc2/16 ]

1002 0x98(152) 102 ALL_DONE OXID|FCID_RW 0 [ fc9/10]

Number of DEP entries : 4

After waiting for a few minutes for IVR to stabilize, if the status column for the {vsan, domain}

combination is NONE, then this problem has occurred the switch.

2. Withdraw the troubled domains using the ivr withdraw domain domain vsan vsan-id

command.

3. Readvertise the withdrawn domains using the ivr refresh command.

• CSCsk49634

Symptom: In rare cases, an FCIP link might flap on a network with high latency and a consistently

high loss rate.

Workaround: None.

• CSCsk49761

Symptom: When IVR exports a new virtual domain and multiple border switches export that virtual

domain, some of the entries in the Fibre Channel name server (FCNS) database that correspond to

this virtual domain may have partial entries where the port type contains a dash (-). This can then

lead to a lack of IVR communication between these devices and other IVR devices.

Workaround: Use the show ivr internal vdri vsan vsan-id domain domain command to determine

which border switch is exporting the virtual domain. Then on any of the border switches that is

exporting the virtual domain, enter the following command for each device that has a partial FCNS

entry:

switch(config)# ivr device pwwn pwwn fcns register vsan vsan-id

In this example, pWWN is the port pWWN of the device and vsan-id is the VSAN that contains the

incomplete FCNS entries.

• CSCsk51193

Symptom: Following an upgrade to Cisco MDS SAN-OS Release 3.2(1) on a Cisco MDS 9124

switch, an interface is shown as up, but there is no FLOGI information for the port in the FLOGI

database.

Workaround: Set the port mode to F.

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