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Switch Module Services
The domain ID lock allows (False) or prevents (True) the reassignment of the
domain ID on that switch. Switches come from the factory with the domain
ID set to 1, the domain ID lock set to False, and the principal priority set to
254. Refer to the McDATA Switch Module Management Guide for information
about changing the domain ID and domain ID lock using McDATA
Embedded Web Server. Refer to the Set Config command in the McDATA
4416 Command Line Interface Guide for information about changing the default
domain ID, domain ID lock, and principal priority parameters.
An unresolved domain ID conflict means that the switch with the higher
WWN will isolate as a separate fabric, and the Logged-In LEDs on both
switches will flash green to show the affected ports. If you connect a new
switch to an existing fabric with its domain ID unlocked, and a domain ID
conflict occurs, the new switch will isolate as a separate fabric. However, you
can remedy this by resetting the new switch or taking it offline then back
online. The principal switch will reassign the domain ID and the switch will
join the fabric.
NOTE: Domain ID reassignment is not reflected in zoning that is defined by domain
ID/port number pair or Fibre Channel address. You must reconfigure zones that are
affected by domain ID reassignment. To prevent zoning definitions from becoming
invalid under these conditions, lock the domain IDs using McDATA Embedded Web
Server, McDATA Element Manager, or the Set Config Switch command.
Switch Module Services
You can configure your switch module to suit the demands of your
environment by enabling or disabling a variety of switch services. Familiarize
yourself with the following switch services and determine which ones you
need:
• Telne t: Provides for the management of the switch over a Telnet
connection. Disabling this service is not recommended. The default is
enabled.
• Secure Shell (SSH): Provides for secure remote connections to the switch
using SSH. Your workstation must also use an SSH client. The default is
disabled.
• Switch Management: Provides for out-of-band management of SNMP
and CIM. If this service is disabled, the switch can only be managed
inband or through the serial port. The default is enabled.
• Inband Management: Provides for the management of the switch over an
inter-switch link using McDATA Embedded Web Server, McDATA
Element Manager, SNMP, or management server. If you disable inband
management, you can no longer communicate with that switch by means
other than a direct Ethernet or serial connection.The default is enabled.