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NE20E-S2 V800R010C10SPC500 Configuration Guide - LAN Access and MAN Access 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - LAN Access and MAN Access
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Configuring RRPP Snooping

Configuring RRPP Snooping

RRPP Snooping is a technology through which changes on an RRPP ring can be notified to a virtual private LAN service (VPLS) network. When RRPP Snooping is configured on sub-interfaces or VLANIF interfaces, the VPLS network can transparently transmit RRPP protocol packets, detect the changes on the RRPP rings, and upgrade the forwarding entries to ensure that traffic is switched in time to a congestion-free path.

Applicable Environment

UPEs constructing an RRPP ring access the virtual private LAN service (VPLS) network where UPEs reside, you need to configure the RRPP snooping on the NPE at the border of the RRPP ring and the VPLS network. In this manner, the VPLS network between NPEs can sense the change of the RRPP ring topology, and NPEs can timely update the MAC address table of the virtual switch instance (VSI). This ensures the continuity of VPLS.

As shown in Figure 15-1, VPLS is run between NPEs, and RRPP is run among NPE D, UPE A, and UPE B.

Figure 15-1 Networking diagram of RRPP and VPLS

Pre-configuration Tasks

Before configuring the RRPP snooping, complete the following tasks:

  • Configure a VPLS network.
  • Configure an RRPP ring.
  • Ensure that the sub-interface or VLANIF interface enabled with the RRPP snooping allows the control VLAN packets sent by the master node of RRPP to pass through.

Configuration Procedures

Figure 15-2 Flowchart for configuring basic NTP functions

Enabling RRPP Snooping

After being enabled with RRPP Snooping, an interface can detect the RRPP ring status through RRPP control packets. In addition, when the RRPP ring status changes, the interface notifies the bound virtual switch instance (VSI) to update the MAC address table.

Context

Perform the following steps on the NPEs at the border of the RRPP ring and the VPLS network:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Choose one of the following commands to enter the view of the interface to be enabled with RRPP snooping.

    • Run the interface interface-type interface-number.subinterface-number command to enter the sub-interface view.

      The sub-interface in this step must be configured with the control VLAN of RPPP using the vlan-type dot1q or dot1q termination vid low-pe-vid command.

    • Run the interface vlanif vlan-id command to enter the specified VLANIF interface view.

      The number of the VLANIF interface must be consistent with to the control VLAN ID of RRPP.

  3. Run l2 binding vsi vsi-name

    The sub-interface or VLANIF interface is bound to the VSI.

  4. Run rrpp snooping enable

    RRPP snooping is enabled.

  5. Run commit

    The configuration is committed.

(Optional)Configuring the VSI Associated with the RRPP Snooping

This part describes how to associate the sub-interface or VLANIF interface enabled with RRPP Snooping with other virtual switch instances (VSIs) related to the device. Therefore, the interface can inform the associated VSIs of the change in the RRPP ring status so that the VSIs can upgrade their MAC address tables accordingly.

Context

Perform the following steps on the NPE nodes at the border of an RRPP ring and a VPLS network:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run either of the following commands:

    • To enter the sub-interface view, run the interface interface-type interface-number.subinterface-number command.

      RRPP snooping must have been enabled on the sub-interface using the rrpp snooping enable command.

    • To enter the specified VLANIF interface view, run the interface vlanif vlan-id command.

      The number of the VLANIF interface must be consistent with the control VLAN ID of RRPP.

  3. Run either of the following commands:

    • To enter the sub-interface or VLANIF interface view, run therrpp snooping vsi vsi-name.

      The VSI is associated with an RRPP snooping-enabled sub-interface or VLANIF interface.

    • To enter the sub-interface, run the rrpp snooping all-vsicommand.

      The RRPP snooping-enabled sub-interface is automatically associated with all VSIs bound to all sub-interfaces on the same interface.

  4. Run commit

    The configuration is committed.

Verifying the RRPP Snooping Configuration

After the basic RRPP Snooping functions are successfully configured, you can view the interface enabled with RRPP Snooping and the names of the virtual switch instances (VSIs) that are associated with RRPP Snooping.

Context

RRPP snooping function has been configured.

Procedure

  • Run the display rrpp snooping enable { all | interface interface-type interface-number } command to check the interface enabled with the RRPP snooping.
  • Run the display rrpp snooping vsi { all | interface interface-type interface-number } command to check the VSI associated with the RRPP snooping.

Example

Run the display rrpp snooping enable command. If the interface enabled with the RRPP snooping is displayed, it means that the configuration succeeds.

<HUAWEI> display rrpp snooping enable all
  Port                 VsiName           Vlan     
-------------------------------------------------------- 
  GE0/1/1.1            name1             100 
  GE0/2/1.1            name2             200

Run the display rrpp snooping vsi command. If the name of the VSI associated with the RRPP snooping is displayed, it means that the configuration succeeds.

<HUAWEI> display rrpp snooping vsi interface gigabitethernet0/1/1.1
  Port                 VsiName
  -----------------------------------------------
  GE0/1/1.1            name1  
  GE0/1/1.1            name2
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Updated: 2019-01-02

Document ID: EDOC1100055378

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