HP StorageWorks 2/16V Brocade Web Tools Administrator's Guide (53-0000194-01, - Page 70

3 Enabling Insistent Domain ID Mode When insistent domain ID (ID_ID) mode is enabled, the current domain setting for the switch is insistent; that is, the same ID is requested during switch reboots, power cycles, CP failovers, firmware downloads, and fabric reconfigurations. If the fabric does not assign the insistent domain ID, the switch segments from the fabric. To enable insistent domain ID mode 1. Launch the Switch Admin module as described on page 3-3. 2. Disable the switch as described in "Enabling and Disabling a Switch" on page 3-7. 3. Click the Configure tab. 4. Click the Fabric subtab. 5. Check the Insistent Domain ID Mode checkbox. 6. Click Apply. 7. Enable the switch as described in "Enabling and Disabling a Switch" on page 3-7. Configuring Virtual Channel Settings You can configure parameters for eight virtual channels (VC) to enable fine-tuning for a specific application. You cannot modify the first two virtual channels, which are reserved for switch internal functions. Caution The default virtual channel settings have already been optimized for switch performance. Changing the default values can improve switch performance but can also degrade performance. Do not change these settings without fully understanding the effects of the changes. VC Priority specifies the class of frame traffic given priority for a virtual channel. To configure system services 1. Launch the Switch Admin module as described on page 3-3. 2. Disable the switch as described on page 3-7. 3. Click the Virtual Channel subtab. 4. Type a value in the VC Priority field you want to change. Valid values for all fields are 2 or 3. 5. Click Apply. 6. Enable the switch as described on page 3-7. 3-12 Web Tools Administrator's Guide Publication Number: 53-0000194-01