3–Managing Switches
Configuring a Switch
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Advanced Switch Properties
The Advanced Switch Properties dialog box (
) allows you to set the
timeout values. The Advanced Switch Properties dialog box is available for only
the entry switch. The switch will automatically be taken offline temporarily and will
be restored to its original state after the changes are completed. To view the
Advanced Switch Properties dialog box, on the
Switch
menu, click
Advanced
Switch Properties
. After making changes, click
OK
to put the new values into
effect.
Figure 3-8. Advanced Switch Properties Dialog Box
Timeout Values
The switch timeout values determine the timeout values for all ports on the switch.
The timeout values must be the same for all switches in the fabric.
R_A_TOV (Resource Allocation Timeout)—maximum time a frame could be
delayed and still be delivered. The default is 10000 milliseconds.
E_D_TOV (Error Detect Timeout)—maximum round trip time that an
operation between two N_Ports could require. The default is 2000
milliseconds.
NOTE:
Mismatched timeout values will disrupt the fabric. These should not be
changed unless absolutely necessary. The switch is temporarily placed
offline to change these values.