Example for Configuring QPPB (IS-IS)

This section provides an example for configuring QPPB (IS-IS).

Networking Requirements

On the network shown in Figure 1, IS-IS neighbor relationships are established between Device A and Device B, and Device B advertises IS-IS routes with community attributes to Device A. A QPPB policy is applied to traffic passing through Device A. Device B functions as an IS-IS route sender, and Device A functions as an IS-IS route receiver.

Interface1 in this example is GE0/1/0.

Figure 1 Configuring QPPB

Precautions

None

Configuration Roadmap

The configuration roadmap is as follows:

Configure a routing policy on Device A to match the community attributes against the community list, and associate traffic behaviors with QoS local IDs for the matched routes.
Configure basic IS-IS functions.
Apply the QPPB policy to the inbound interface of Device A.

Data Preparation

To complete the configuration, you need the following data:

IP addresses of interfaces
Routing policy name, matching rules, and routing attributes
QPPB policy name

Procedure

Assign an IP address to each interface.
Assign an IP address to each interface based on Figure 1.

Configure a routing policy on Device A and associate traffic behaviors with QoS local IDs for the matched routes.

# Configure a routing policy on Device A.

<DeviceA> system-view
[~DeviceA] route-policy ac permit node 123
[*DeviceA-route-policy] apply qos-local-id 1
[*DeviceA-route-policy] commit
[~DeviceA-route-policy] return

# Configure a QoS policy.

<DeviceA> system-view
[~DeviceA] traffic behavior dd
[*DeviceA-behavior-dd] remark dscp af11
[*DeviceA-behavior-dd] commit
[~DeviceA-behavior-dd] return

# Configure a QPPB policy on Device A.

<DeviceA> system-view
[~DeviceA] qppb local-policy ac
[*DeviceA-localpolicy-ac] qos-local-id 1 behavior dd
[*DeviceA-localpolicy-ac] commit
[~DeviceA-localpolicy-ac] return

Configure basic IS-IS functions.

# Configure Device A.

<DeviceA> system-view
[~DeviceA] isis 1
[~DeviceA-isis-1] is-level level-1
[*DeviceA-isis-1] network-entity 10.0000.0000.0001.00
[*DeviceA-isis-1] cost-style wide
[*DeviceA-isis-1] filter-policy route-policy ac import
[*DeviceA-isis-1] traffic-eng level-1
[*DeviceA-isis-1] quit
[*DeviceA] interface gigabitethernet 0/1/0
[*DeviceA-GigabitEthernet0/1/0] isis enable 1
[*DeviceA-GigabitEthernet0/1/0] commit
[~DeviceA-GigabitEthernet0/1/0] quit

# Configure Device B.

<DeviceB> system-view
[~DeviceB] isis 1
[*DeviceB-isis-1] network-entity 10.0000.0000.0002.00
[*DeviceB-isis-1] cost-style wide
[*DeviceB-isis-1] quit
[*DeviceB] interface gigabitethernet 0/1/0
[*DeviceB-GigabitEthernet0/1/0] isis enable 1
[*DeviceB-GigabitEthernet0/1/0] commit
[~DeviceB-GigabitEthernet0/1/0] quit

Apply the QPPB policy to the inbound interface of Device A.

[~DeviceA] interface gigabitethernet 0/1/0
[~DeviceA-GigabitEthernet0/1/0] qppb-policy ac source inbound
[*DeviceA-GigabitEthernet0/1/0] commit
[~DeviceA-GigabitEthernet0/1/0] quit

Verify the configuration.

# Display information about the QPPB policy on Device A.

[~DeviceA] display qppb local-policy configuration ac
qppb local-policy: ac
 statistics disable
 service-class outbound disable 
 is-used yes
 qos-local-id 1 behavior dd

Configuration Files

Device A configuration file.

#
sysname DeviceA
#
traffic behavior dd
 remark dscp af11
#
qppb local-policy ac                                                           
 qos-local-id 1 behavior dd
#
isis 1
 is-level level-1
 cost-style wide
 network-entity 10.0000.0000.0001.00
 filter-policy route-policy ac import
 traffic-eng level-1
#
interface GigabitEthernet0/1/0
 undo shutdown
 ip address 10.10.1.1 255.255.255.0
 isis enable 1
 qppb-policy ac source inbound
#
route-policy ac permit node 123
 apply qos-local-id 1
#
return

Device B configuration file.

#
sysname DeviceB
#
isis 1
 cost-style wide
 network-entity 10.0000.0000.0002.00
#
interface GigabitEthernet0/1/0
 undo shutdown
 ip address 10.10.1.2 255.255.255.0
 isis enable 1
#
return