Brocade Web Tools Administrator's Guide v6.1.0 (53-1000606-02, June 2008)
40 Web Tools Administrator’s Guide
53-1000606-02
Changing system configuration parameters
3
ATTENTION
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.
1. Open the Switch Administration window as described on page 31.
2. Disable the switch as described on page 36.
3. Click the Configure tab.
4. Click the Virtual Channel subtab.
5. Type a value in the VC Priority field you want to change. Valid values for all fields are 2 or 3.
6. Click Apply.
7. Ena bl e t he sw i t c h as described on page 36.
Configuring arbitrated loop parameters
1. Open the Switch Administration window as described on page 31.
2. Disable the switch as described in “Enabling and disabling a switch” on page 36.
3. Select the Configure tab.
4. Select the Arbitrated Loop subtab.
5. Select or clear the check boxes to enable or disable the corresponding arbitrated loop
parameters.
6. Click Apply.
7. Ena bl e t he sw i t c h as described in “Enabling and disabling a switch” on page 36.
Arbitrated loop parameters
Configure the following arbitrated loop parameters on the Arbitrated Loop subtab of the Configure
tab:
Configuring system services
You can enable or disable FCP read link status (RLS) probing for F_Ports and FL_Ports. It is
disabled by default.
Send Fan Frames Select this check box to specify that fabric address notification (FAN)
frames are sent to public loop devices to notify them of their node ID
and address.
Always Send RSCN Following the completion of loop initialization, a remote state change
notification (RSCN) is issued when FL_Ports detect the presence of
new devices or the absence of pre-existing devices. Select this check
box to issue an RSCN upon completion of loop initialization, regardless
of the presence or absence of new or pre-existing devices.
Do Not Allow AL_PA 0x00 Select this box to disable 0x00 as an AL_PA value.