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Configuration Guide - Reliability

S7700 and S9700 V200R011C10

This document describes the configuration of BFD, DLDP, VRRP, SmartLink, CFM, EFM, Y.1731 and MAC swap loopback to ensure reliability on the device.
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Configuring Local MAC Swap Loopback

Configuring Local MAC Swap Loopback

Context

Before performing a local MAC swap loopback test, configure the source MAC address, destination MAC address, and VLAN ID of test packets on the Switch. Only the packets with the specified source MAC address, destination MAC address, and VLAN ID are looped back.

When a local MAC swap test is performed on an interface, services on the interface are interrupted, but services on other interfaces are not affected. However, if a large number of test packets are sent, test packets occupy bandwidth of other services on the interface that sends test packets back to the tester.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

    MAC swap loopback tests cannot be performed on Eth-Trunk interfaces or their member interfaces.

  3. Run loopback local swap-mac source-mac source-mac-address dest-mac dest-mac-address vlan vlan-id [ inner-vlan inner-vlan-id ] interface interface-type interface-number [ timeout { time-value | none } ]

    Local MAC swap loopback is configured.

    NOTE:

    SA cards support loopback of only single-tagged Ethernet frames.

    If the single VLAN tag option is configured on a card except ES0D0G24CA00, EH1D2S24CSA0, ES0D0G24SA00, or EH1D2G24SSA0, the test packets cannot be double-tagged.

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Updated: 2019-10-18

N. documento: EDOC1000178318

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