255
Step Command
Remarks
3.
Enter Layer 2 Ethernet
interface view.
interface
interface-type interface-number
N/A
4.
Enable LLDP.
lldp enable
By default, LLDP is enabled on
an interface.
5.
Enable the interface to
advertise DCBX TLVs.
lldp tlv-enable
dot1-tlv
dcbx
By default, DCBX TLV
advertising is disabled on an
interface.
Configuring APP parameters
The device negotiates with the server adapter by using the APP parameters to achieve the following
purposes:
•
Control the 802.1p priority values of the protocol packets that the server adapter sends.
•
Identify traffic based on the 802.1p priority values.
For example, the device can use the APP parameters to negotiate with the server adapter to set 802.1p
priority 3 for all FCoE and FIP frames. When the negotiation succeeds, all FCoE and FIP frames that the
server adapter sends to the device carry the 802.1p priority 3.
Configuration restrictions and guidelines
When you configure APP parameters, follow these restrictions and guidelines:
•
An Ethernet frame header ACL identifies application protocol packets by frame type.
•
An IPv4 advanced ACL identifies application protocol packets by TCP/UDP port number.
•
DCBX Rev 1.00 identifies application protocol packets only by frame type and advertises only TLVs
with frame type 0x8906 (FCoE).
•
DCBX Rev 1.01 has the following attributes:
{
Supports identifying application protocol packets by both frame type and TCP/UDP port
number.
{
Does not restrict the frame type or TCP/UDP port number for advertising TLVs.
{
Can advertise up to 77 TLVs according to the remaining length of the current packet.
•
In a QoS policy, you can configure multiple class-behavior associations. A packet might be
configured with multiple 802.1p priority marking or mapping actions, and the one configured first
takes effect.
Configuration procedure
To configure APP parameters:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
