Service manual

2
Installation Tasks
2-17
Installation Tasks
a. At the R_A_TOV field, type a value between 10 through 1200
tenths of a second (one through 120 seconds). Ten seconds
(100)istherecommendedvalue.TheR_A_TOVvaluemust
exceed the E_D_TOV value.
b. At the E_D_TOV field, type a value between 2 through 600
tenths of a second (0.2 through 60 seconds). Two seconds (20)
is the recommended value.
NOTE: Fabric elements must be set to the same R_A_TOV and
E_D_TOV values. An ISL between fabric elements with different
values segments and prevents communication.
c. Select from the Switch Priority drop-down list to designate the
fabric principal switch. The principal switch is assigned a
priority of 1 and controls the allocation and distribution of
domain IDs for all fabric elements (including itself). Available
selections are Default, Principal,andNever Principal.
Principal is the highest priority setting, Default is next, and
Never Principal is the lowest. At least one switch in a fabric
must be set as Principal or Default. If all switches are set to
Never Principal, all ISLs segment.
d. Select from the Interop Mode drop-down list to set the director
operating mode. This setting affects the mode used to manage
thedirectoranddoesnotaffectportoperation.Available
selections are:
• McDATA Fabric 1.0 - Select this option if the director is
fabric-attached only to other McDATA directors or
switches operating in McDATA fabric mode.
• Open Fabric 1.0 - Select this option (default) for managing
heterogeneous fabrics and if the director is fabric-attached
to McDATA directors or switches and other open-fabric
compliant switches.
NOTE: WithOpen Fabric1.0 enabled, the defaultzone setis disabled.
3. Click OK to save and activate changes.
4. Set the director online (Setting the Director Online or Offline on
page 4-36).