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- Table of Contents
-
- 04-Layer 3 Configuration Guide
- 00-Preface
- 01-ARP Configuration
- 02-IP Addressing Configuration
- 03-DHCP Configuration
- 04-DHCPv6 Configuration
- 05-DNS Configuration
- 06-IPv6 DNS Configuration
- 07-NAT Configuration
- 08-Adjacency Table Configuration
- 09-Flow Classification Configuration
- 10-IPv6 Basics Configuration
- 11-IP Performance Optimization Configuration
- 12-IP Routing Basics
- 13-Static Routing Configuration
- 14-IPv6 Static Routing Configuration
- 15-GRE Configuration
- 16-RIP Configuration
- 17-RIPng Configuration
- 18-Policy-Based Routing Configuration
- Related Documents
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| Title | Size | Download |
|---|---|---|
| 09-Flow Classification Configuration | 29.91 KB |
Configuring flow classification
Overview
Flow classification organizes packets with different characteristics into different classes by using certain match criteria. It is the basis for providing differentiated services.
For a multi-core device, the control plane and data plane run on different kernels and threads respectively. The data plane processes packets based on flows. A flow identifies packets with the same characteristics (identical quintuple) and processing procedure. The flow classification module marks every packet with a flow label before sending the packet to the data plane. When the data plane receives the first packet of a flow, a forwarding entry for the flow is created by the service module. Then, the subsequent packets can be forwarded based on the forwarding entry to improve forwarding efficiency.
Enabling flow classification
|
Step |
Command |
Remarks |
|
1. Enter system view. |
system-view |
N/A |
|
2. Enable flow classification. |
flow-classification enable |
Optional. Enabled by default. |
Displaying and maintaining flow classification
|
Task |
Command |
Remarks |
|
Display the current flow classification policy. |
display forwarding policy [ | { begin | exclude | include } regular-expression ] |
Available in any view. |
