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Configuration Guide - IP Unicast Routing

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, and PBR.

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Configuring the Device to Ignore the Destination MAC Address of Packets

Configuring the Device to Ignore the Destination MAC Address of Packets

Context

During network maintenance, traffic is often mirrored and then redirected to a specific device for analysis. In most cases, a device forwards only packets whose destination MAC address is the local Layer 3 interface's MAC address according to routes, and forwards other packets at Layer 2 or discards other packets. If necessary, the device can also forward other packets at Layer 3 after it is configured to ignore the destination MAC address of packets.

NOTE:

This function is often used in traffic mirroring scenarios and is not recommended in other scenarios.

You cannot configure the device to ignore the destination MAC address of packets on the CE12800E.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run ip routing ignore-mac

    The device is configured to ignore the destination MAC address of packets.

  3. Run commit

    The configuration is committed.

Verifying the Configuration

Run the display this command to check the configuration after the device is configured to ignore the destination MAC address of packets.

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Updated: 2019-03-21

Document ID: EDOC1000166601

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