Configuring Packet Information Pre-Extraction; Configuration Procedure; Configuration Example - HP MSR4080 Configuration Manual

[RouterA-behavior-af21_behav] quit
# Define a traffic behavior, and enable EF and set a maximum bandwidth percentage of 30% (both
bandwidth and delay are guaranteed f
[RouterA] traffic behavior ef_behav
[RouterA-behavior-ef_behav] queue ef bandwidth pct 30
[RouterA-behavior-ef_behav] quit
# Define a QoS policy and associat
[RouterA] qos policy dscp
[RouterA-qospolicy-dscp] classifier af11_cl
[RouterA-qospolicy-dscp] classifier af21_class behavior af21_beha
[RouterA-qospolicy-dscp] classifier ef_class behavior ef_behav
[RouterA-qospolicy-dscp] quit
# Apply the QoS policy to the outgoing traffic of GigabitEthernet 2/1/0.
[RouterA] interface gigabitethernet 2/1/0
[RouterA-GigabitEthernet2/1/0] ip address 1.1.1.1 255.255.255.0
[RouterA-GigabitEthernet2/1/0] qos apply policy dscp outbound
The configuration enables EF traffic to be forwarded preferentially when congestion occurs.
Conf iguring packet information pre-extraction
If a tunnel interface has processed the incoming IP packets, for example, if the tunnel interface has used
GRE to encapsulate packets, the GRE
result, the QoS module cannot obtain the I
To process the original IP packets with QoS on
pac ket information pre-extraction on the logical interface.

Configuration procedure

To configure packet information pr
Step
1. Enter system view.
2. Enter tunnel interface view.
3. Enable packet information
pre-extraction on the tunnel
interface.

Configuration example

Network requirements
Enable packet information pre-extra
Configuration procedure
# Enable packet information pre-extraction on tunnel interface Tunnel 0.
or EF traffic) in the traffic behavior.
e the configured traffic behaviors with classes in the QoS policy.
ass behavior af11_behav
-encapsulated packets enter the QoS module for processing. As a
P information of the original packets.
the physical interface for a tunnel interface, configure
e-extraction:
Command
system-view
interface tunnel interface-number
qos pre-classify
ction on a tunnel interface.
60
v
Remarks
N/A
N/A
By default, packet information
pre-extraction is disabled on a
tunnel interface.