Emulex 355 manual Managing Firmware and Configuration Files, Diagnostics, Port Control

INSPEED™ SAN STORAGE SWITCH MODEL 355	CHAPTER 3 SWITCH MANAGEMENT
USER’S GUIDE

Diagnostics

The following settings are available.

Setting	Description
Port Control	The method for controlling a port. Options include:
	• auto – the default setting. The switch will automatically insert a port
	based on policy settings. This prevents the insertion of incompatible
	ports, which may cause disruption.
	• bypass – removes a port from the network. Use this mode to keep a
	device out of an initialization cycle when troubleshooting.
	• extLoopback – removes a port from the network and routes the port's
	receive signal back through the port's transmitter. Use this mode to
	isolate a specific zone for troubleshooting or to test a transceiver’s
	circuitry and attached media from the node end.
	• insert – allows ports whose transceivers cannot derive a valid clock
	or "K" character (Ordered Set) to join a zone. Use this mode
	cautiously – devices without valid characters may put bad data into a
	zone, causing the zone to go down.
Bypass on Clock Delta	The switch determines the relative frequency of the signal being
	received by a port to the internal switch clock. The result of this test
	allows the determination of how far apart in frequency the switch’s
	clock is in relation to the clock of the received signal – the clock delta. If
	the clock delta exceeds a set threshold, the switch is notified and the
	port may be bypassed if necessary. Typically, clock drift is slow enough
	to allow the removal and replacement of a defective part before the
	defective part begins to affect system performance.

Managing Firmware and Configuration Files

The Switch Files page displays information on the switch’s firmware and configuration files. To view the firmware and configuration files, click Switch > Files.

The Switch Files page appears.

Figure 3-11: Switch Files page

34