Ufp Bandwidth Provisioning; Ets Mode - Lenovo RackSwitch G8264 Application Manual

UFP Bandwidth Provisioning

ETS Mode

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G8264 Application Guide for ENOS 8.4
UFP provides one two modes of bandwidth provisioning for vPort: ETS Mode and
Strict Bandwidth Provisioning Mode.
Enhanced Transmission Selection (ETS) mode of bandwidth provisioning is useful
when an end‐to‐end QoS framework for the entire data center, with bandwidth
provisioning for different applications, is desired. ETS mode color marks traffic
from point of origination to point of destination. It helps to couple QoS
provisioning in the access layer with data center fabric.
This mode functions with the ETS feature available on the G8264. You must first
define the ETS characteristics of the G8264. Assign each vNIC to desired traffic
class by assigning a system class priority. The Data Center Bridging Capabilities
Exchange (DCBX) and UFP protocols propagate the configured parameters for the
vNIC to apply appropriate traffic coloring and shaping at the source.
When operating in this mode, traffic scheduling and bandwidth allocation
behavior on switch egress is driven by the ETS class of traffic.
When two vNICs use the same traffic class configuration, the order in which
switch schedules traffic at egress depends on the order the traffic arrives at egress
buffer. Since bandwidth allocation is derived from traffic class rather than vNIC,
switch egress doesn't differentiate between different vNIC traffics.
Use the following command to configure ETC bandwidth provisioning:
RS G8264(config_ufp_vport)# qos ets {host­control|priority}
Note: CEE must be globally enabled before accessing QoS ETS Mode.
These examples display currently configured QoS ETS settings:
RS G8264(config_ufp_vport)# show ufp information qos
UFP QOS:
Port | Vport | Mode | Minbw% | Maxbw% | Prio | HstCtrl
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
33 | 1 | ETS | | | 0 | Dis
| 2 | ETS | | | 1 | Dis
| 3 | ETS | | | 2 | Dis
| 4 | ETS | | | 3 | Dis
| 5 | ETS | | | 4 | Dis
| 6 | ETS | | | 5 | Dis
| 7 | ETS | | | 6 | Dis
| 8 | ETS | | | 7 | Dis
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
43 | 1 | ETS | | | 0 | Dis
| 2 | ETS | | | 1 | Dis
| 3 | ETS | | | 2 | Dis
| 4 | ETS | | | 3 | Dis
| 5 | ETS | | | 4 | Dis
| 6 | ETS | | | 5 | Dis
| 7 | ETS | | | 6 | Dis
| 8 | ETS | | | 7 | Dis