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Configuration Guide - Reliability

CloudEngine 8800, 7800, 6800, and 5800 V200R003C00

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Configuring 802.1ag MAC Ping

Configuring 802.1ag MAC Ping

Context

IEEE 802.1ag MAC ping provides the ping function on the link layer. This technology provides an effective way of detecting and locating faults of Ethernet links.

802.1ag MAC ping can be only implemented on the network where the MD, MA, and MEP are configured.

Procedure

  1. A device is usually configured with multiple MDs and MAs. To accurately detect connectivity of a link between two or more devices, perform either of the following operations.

    • MA view:

      1. Run system-view

        The system view is displayed.

      2. Run cfm md md-name

        The MD view is displayed.

      3. Run ma ma-name

        The MA view is displayed.

      4. Run ping mac-8021ag mep mep-id mep-id { md md-name ma ma-name { mac mac-address | remote-mep mep-id mep-id } | mac mac-address | remote-mep mep-id mep-id } [ -c count | -s packetsize | -t timeout | -p priority-value ] *

        Connectivity between a MEP and an RMEP or a MIP is monitored.

        The ping mac-8021ag command with md md-name and ma ma-name specified checks connectivity of links based on the configured MA and MD.

    • All views except the MA view:

      Run ping mac-8021ag mep mep-id mep-id md md-name ma ma-name { mac mac-address | remote-mep mep-id mep-id } [ -c count | -s packetsize | -t timeout | -p priority-value ] *

      Connectivity between a MEP and an RMEP or a MIP is monitored.

    When performing 802.1ag MAC ping, ensure that:

    • The MA has been associated with a VLAN.

    • The MEP has been configured in the MA.

    • If the destination node is in a different MA, only mac mac-address can be specified.

    • If the destination node is an RMEP, either mac mac-address or remote-mep mep-id mep-id can be specified. If remote-mep mep-id mep-id is specified, the RMEP must have been created using the remote-mep command.

    • If the destination node is a MIP, specify mac mac-address.

    An intermediate device on a link is only used to forward LBMs and LBR messages; therefore, the intermediate device does not need to be configured with the MD, MA, or MEP.

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Updated: 2019-05-08

Document ID: EDOC1100004359

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