Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 130

www.dell.com | support.dell.com Applying an ETS Output Policy for a Priority Group to an Interface To apply ETS on egress port traffic, you must associate a priority group with an ETS output policy which has scheduling and bandwidth configuration in a DCB output policy, and then apply the output policy to an interface. To apply ETS on egress port traffic, follow these steps: Step 1 2 3 4 5 6 7 8 Task Command Command Mode Create a DCB output policy to associate an ETS configuration with priority traffic. Maximum: 32 alphanumeric characters. dcb-output policy-name CONFIGURATION Enable the ETS configuration so that scheduling and bandwidth allocation configured in an ETS output policy or received in a DCBX TLV from a peer can take effect on an interface. Default: ETS mode is on. ets mode on DCB OUTPUT POLICY Associate the 802.1p priority traffic in a priority group with the ETS configuration in a QoS output policy. priority-group group-name qos-policy ets-policy-name DCB OUTPUT POLICY (Optional) Enter a text description of the output description text policy. Maximum: 32 characters. DCB OUTPUT POLICY Repeat Steps 1 to 4 to configure all remaining ETS priority groups with an ETS output policy. Exit DCB Output Policy Configuration mode. exit DCB OUTPUT POLICY Enter INTERFACE Configuration mode. interface type slot/port CONFIGURATION Apply the output policy with the ETS configuration to an egress interface. dcb-policy output policy-name INTERFACE FTOS Behavior: Create a DCB output policy to associate a priority group with an ETS output policy with scheduling and bandwidth configuration. You can apply a DCB output policy on multiple egress ports. The ETS configuration associated with 802.1p priority traffic in a DCB output policy is used in DCBX negotiation with ETS peers. When you apply an ETS output policy to an interface, ETS-configured scheduling and bandwidth allocation take precedence over any configured settings in the QoS output policies. To remove an ETS output policy from an interface, use the no dcb-policy output policy-name command. ETS is enabled by default with the default ETS configuration applied (all dot1p priorities in the same group with equal bandwidth allocation). If you disable ETS in an output policy applied to an interface (the no ets mode on command), any previously configured QoS settings at the interface or global level take effect. If QoS settings are configured at the interface or global level and in an output policy map (the service-policy output command), the QoS configuration in the output policy take precedence. When you apply a DCB output policy with ETS bandwidth allocation to an egress interface which uses default ETS settings, the configured bandwidth allocation may not be applied to dot1p priority traffic in the specified priority group. 128 | Data Center Bridging (DCB)