DescriptionName
Themaximum transmission unit for the channel. This can be one of the
following:
•Aninteger between 1500 and 9216. This value corresponds to the
maximumpacket size.
•fc—Apredefined packet size of 2240.
•normal—Apredefined packet size of 1500.
Thisfield is alwaysset to fc for Fibre
Channel.
Note
MTUdrop-down list
Ifchecked, the class is optimized to send packets to multiple destinations
simultaneously.
Thisoption is not applicable to the Fibre
Channel.
Note
MulticastOptimized check box
Step 6 ClickSave Changes.
Enabling a QoS System ClassTheBest Effort or Fibre Channel system classes are enabled by default.
Procedure
Step 1 Inthe Navigation pane, clickthe LAN tab.
Step 2 Inthe LAN tab, expandLAN >LAN Cloud.
Step 3 Selectthe QoS System Class node.
Step 4 Inthe Work pane, click the General tab.
Step 5 Checkthe Enabled check box for the QoS system that you want to enable.
Step 6 ClickSave Changes.
Disabling a QoS System ClassYoucannot disable the Best Effort or Fibre Channel system classes.
AllQoS policies that are associated with a disabled system class default to Best Effort or, if the disabled
systemclass is configured with aCos of 0,to theCos 0 systemclass.
Cisco UCS Manager GUI Configuration Guide, Release 2.0
300 OL-25712-04
Configuring System Classes