Service Manual

Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
You can configure the transmission of more than one TLV type at a time; for example: advertise dcbx-tlv
ets-conf ets-reco.
You can enable ETS recommend TLVs (ets-reco) only if you enable ETS configuration TLVs (ets-conf). To
disable TLV transmission, use the no form of the command; for example, no advertise dcbx-tlv pfc
ets-reco
.
DCBX requires that you enable LLDP to advertise DCBX TLVs to peers.
Configure DCBX operation at the INTERFACE level on a switch or globally on the switch. To verify the DCBX
configuration on a port, use the show interface dcbx detail command.
bandwidth-percentage
Configure the bandwidth percentage allocated to priority traffic in port queues.
Syntax
bandwidth-percentage percentage
To remove the configured bandwidth percentage, use the no bandwidth-percentage command.
Parameters
percentage (Optional) Enter the bandwidth percentage. The percentage range is from 1 to 100% in
units of 1%.
Defaults none
Command Modes QOS-POLICY-OUT-ETS
Command History
Version 9.2(0.0) Introduced on the M I/O Aggregator.
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
By default, equal bandwidth is assigned to each port queue and each dot1p priority in a priority group. To configure
bandwidth amounts in associated dot1p queues, use the bandwidth-percentage command. When specified
bandwidth is assigned to some port queues and not to others, the remaining bandwidth (100% minus assigned
bandwidth amount) is equally distributed to unassigned nonstrict priority queues in the priority group. The sum of
the allocated bandwidth to all queues in a priority group must be 100% of the bandwidth on the link.
ETS-assigned bandwidth allocation applies only to data queues, not to control queues.
The configuration of bandwidth allocation and strict-queue scheduling is not supported at the same time for a
priority group. If you configure both, the configured bandwidth allocation is ignored for priority-group traffic when
you apply the output policy on an interface.
By default, equal bandwidth is assigned to each priority group in the ETS output policy applied to an egress port if
you did not configure bandwidth allocation. The sum of configured bandwidth allocation to dot1p priority traffic in
all ETS priority groups must be 100%. Allocate at least 1% of the total bandwidth to each priority group and queue.
If bandwidth is assigned to some priority groups but not to others, the remaining bandwidth (100% minus assigned
bandwidth amount) is equally distributed to nonstrict-priority groups which have no configured scheduler.
Related Commands
• qos-policy-output ets — creates a QoS output policy.
368 Data Center Bridging (DCB)