H3C Technologies H3C S5830V2 Series Switches User Manual

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# Create a QoS policy named DCBX, associate class DCBX with traffic behavior DCBX in the QoS

policy, and specify that the association apply to DCBX.

[Sysname] qos policy DCBX

[Sysname-qospolicy-DCBX] classifier DCBX behavior DCBX mode dcbx

[Sysname-qospolicy-DCBX] quit

# Enable LLDP and DCBX TLV advertising on interface Ten-GigabitEthernet 1/0/1.

[Sysname] interface ten-gigabitethernet 1/0/1

[Sysname-Ten-GigabitEthernet1/0/1] lldp enable

[Sysname-Ten-GigabitEthernet1/0/1] lldp tlv-enable dot1-tlv dcbx

# Apply QoS policy DCBX to the outgoing traffic of Ten-GigabitEthernet 1/0/1.

[Sysname-Ten-GigabitEthernet1/0/1] qos apply policy DCBX outbound

Configure PFC:
# Enable PFC in auto mode on interface Ten-GigabitEthernet 1/0/1.

[Sysname-Ten-GigabitEthernet1/0/1] priority-flow-control auto

# Enable PFC for 802.1p priority 3 on the interface.

[Sysname-Ten-GigabitEthernet1/0/1] priority-flow-control no-drop dot1p 3

# Configure the interface to trust the 802.1p priority carried in incoming packets.

[Sysname-Ten-GigabitEthernet1/0/1] qos trust dot1p

[Sysname-Ten-GigabitEthernet1/0/1] quit

Configure ETS:
# Configure the 802.1p-local priority mapping table to map 802.1p priority values 3 to local
precedence 1 and map the other 802.1p priorities to local precedence 0.

[Sysname] qos map-table dot1p-lp

[Sysname-maptbl-dot1p-lp] import 3 export 1

[Sysname-maptbl-dot1p-lp] import 0 export 0

[Sysname-maptbl-dot1p-lp] import 1 export 0

[Sysname-maptbl-dot1p-lp] import 2 export 0

[Sysname-maptbl-dot1p-lp] import 4 export 0

[Sysname-maptbl-dot1p-lp] import 5 export 0

[Sysname-maptbl-dot1p-lp] import 6 export 0

[Sysname-maptbl-dot1p-lp] import 7 export 0

[Sysname-maptbl-dot1p-lp] quit

# Enable byte-count WRR on interface Ten-GigabitEthernet 1/0/1.

[Sysname] interface ten-gigabitethernet 1/0/1

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr byte-count

# Configure WRR on interface Ten-GigabitEthernet 1/0/1:

{

Assign 50% of the interface bandwidth to the FCoE traffic (traffic assigned to queue 1).

{

Assign 50% of the interface bandwidth to Ethernet data traffic (traffic assigned to queue 0).

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr af1 group 1 byte-count 1

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr be group 1 byte-count 1

# Assign the other queues to the SP group on interface Ten-GigabitEthernet 1/0/1.

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr af2 group sp

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr af3 group sp

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr af4 group sp

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr ef group sp

[Sysname-Ten-GigabitEthernet1/0/1] qos wrr cs6 group sp