H3C Technologies H3C S5830V2 Series Switches User Manual

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[SwitchA-Ten-GigabitEthernet1/0/8] quit

# Configure Layer 2 aggregate interface 1 as a trunk port, and assign the aggregate interface to

VLAN 4001.

[SwitchA] interface bridge-aggregation 1

[SwitchA-Bridge-Aggregation1] port link-type trunk

[SwitchA-Bridge-Aggregation1] port trunk permit vlan 4001

[SwitchA-Bridge-Aggregation1] quit

Configure DCBX:
# Enable LLDP globally.

[SwitchA] lldp global enable

# Create Ethernet frame header ACL 4000, and configure the ACL to permit FCoE packets (whose
protocol number is 0x8906) and FIP protocol packets (whose protocol number is 0x8914) to pass

through.

[SwitchA] acl number 4000 name DCBX

[SwitchA-acl-ethernetframe-4000] rule 0 permit type 8906 ffff

[SwitchA-acl-ethernetframe-4000] rule 5 permit type 8914 ffff

[SwitchA-acl-ethernetframe-4000] quit

# Create a class named DCBX, configure the operator of the class as OR, and use ACL 4000 as

the match criterion of the class.

[SwitchA] traffic classifier DCBX operator or

[SwitchA-classifier-DCBX] if-match acl 4000

[SwitchA-classifier-DCBX] quit

# Create a behavior named DCBX, and configure the behavior to mark packets with 802.1p
priority value 3.

[SwitchA] traffic behavior DCBX

[SwitchA-behavior-DCBX] remark dot1p 3

[SwitchA-behavior-DCBX] quit

# 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.

[SwitchA] qos policy DCBX

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

[SwitchA-qospolicy-DCBX] quit

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

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

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

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

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

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

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

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

# Enable PFC for 802.1p priority 3 on Ten-GigabitEthernet 1/0/1.

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

# Configure Ten-GigabitEthernet 1/0/1 to trust the 802.1p priority carried in incoming packets.

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

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