EMULEX MODEL 375 SAN STORAGE SWITCH

USERS GUIDECHAPTER 4: TECHNICAL REFERENCE

TROUBLESHOOTING MANAGEMENT CONNECTIONS

Problem

Recommended Action

 

 

 

Serial cable installed

1.

Cycle power by reinstalling the power cord.

but connection does

2.

Check the terminal emulation program’s serial port parameters.

not appear on terminal

3.

Replace the serial cable. (Make sure it is a null modem cable.)

 

 

 

Ethernet cable

1.

Ensure that a crossover ethernet cable is used (unless using an

installed but Web

 

ethernet hub).

Manager does not

2.

Check the IP addresses on the switch and workstation as follows:

appear

 

At a command line prompt, type ping DNSorIP (where DNSorIP is the

 

 

 

 

switch’s DNS name or IP address) and press ENTER.

 

 

If a “Reply from…” or “...is alive...” message appears, the devices can

 

 

communicate.

 

 

If a “Request timed out” message appears (or the command times out),

 

 

the devices cannot communicate. Trace the cabling. If needed,

 

 

reconnect the devices.

 

 

 

PORT BYPASS CONDITIONS AND RECOVERY

Operational Condition

Recovery

 

 

Rx_los is asserted by

The port stays bypassed until rx_los is de-asserted. At that time, the port

an SFP/GBIC

insertion will be automatically retried. The port continues to stay bypassed

 

until the port can pass the port insertion criteria.

 

 

Tx_fault is asserted by

The port stays bypassed until tx_fault is de-asserted. At that time, the port

an SFP/GBIC

insertion will be automatically retried. The port continues to stay bypassed

 

until the port can pass the port insertion criteria.

 

 

F8 Failure notification

The switch automatically tries to re-insert the device, by sending F7

is received by the port

Initialization notifications to the device connected to the bypassed port.

(when the LIP F8

The port continues to stay bypassed until the device returns F7

Recover policy is

Initialization notifications to the port and passes the port insertion criteria.

enabled)

 

 

 

Loss of Sync (>100ms)

The port stays bypassed until a signal is re-established. At that time, the

 

port insertion will be automatically retried. The port continues to stay

 

bypassed until the port can pass the port insertion criteria.

 

 

Firmware Initiated

The port stays bypassed until the firmware sets the port control back to

 

automatic. At that time, the port insertion will be automatically retried. The

 

port continues to stay bypassed until the port can pass the port insertion

 

criteria.

 

 

EMULEX CORPORATION

60

PART NUMBER 00041392-002 REV. B

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Emulex 375 manual Troubleshooting Management Connections, Port Bypass Conditions and Recovery