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NE40E V800R010C00 Configuration Guide - System Monitor 01

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Collecting Statistics About BGP/MPLS VPN Flows

Collecting Statistics About BGP/MPLS VPN Flows

Collecting traffic statistics on BGP/MPLS VPN networks helps monitor the BGP/MPLS VPN network condition.

Usage Scenario

In Figure 3-16, statistics about MPLS flows sent by the P to the NetStream Collector (NSC) inform the NSC of the traffic volume and traffic type corresponding to each label. Such statistics, however, cannot tell to which VPN each traffic belongs. In this case, the PE sends the meaning of each label to the NSC so that the NSC can determine to which VPN the received traffic belongs. The NSC can analyze the traffic data of each VPN and display the result.

Figure 3-16  Networking diagram for collecting statistics about BGP/VPLS VPN flows

Context

Before collecting statistics about BGP/VPLS VPN flows, deploy the BGP/MPLS VPN network.

Procedure

  • Enable the P to collect statistics about MPLS flows.

    Follow the configuration procedures described in Collecting Statistics About MPLS IPv4 Packets or Collecting Statistics About MPLS IPv6 Packets.

  • Enable the output of TAL options on the PE.
    1. Run:

      ip netstream export template option application-label

      The output of TAL options is enabled, and the corresponding TAL option template is sent to the NSC.

    2. Run:

      ip netstream export template option { refresh-rate packet-number | timeout-rate timeout-interval }

      The packet interval and time interval at which the TAL option template is refreshed are set.

      TAL option packets are output to the NSC in V9 or IPFIX format. To ensure that the NSC successfully parses the TAL option packets, the corresponding TAL option template must be sent to the NSC.

      The TAL option template can be refreshed at the fixed packet and time intervals. Both the packet and time intervals can be configured, without affecting each other.

      • refresh-rate packet-number: The TAL option template is refreshed at the fixed packet interval.
      • timeout-rate timeout-interval: The TAL option template is refreshed at the fixed time interval.

Checking the Configurations

After completing the configuration, run the following commands to verify the configuration.

After packet statistics collection and output of NetStream flows are configured, run the display ip netstream export option command in any view. You can view information about the output option template.

<HUAWEI> display ip netstream export option
------------------------------------------------------
Option Data                   Succeeded        Failed
------------------------------------------------------
l3vpn                               100             0
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Updated: 2018-07-12

Document ID: EDOC1100028538

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