Figure 4-1 Networking diagram of local port mirroring
Monitoring
device
Observing
interface
Router
Interface
Packet flows
Mirrored
interface
Copied packet flows
Mirrored
interface
Local Flow Mirroring
As shown in Figure 4-2, the Router copies specified data passing through a flow mirrored
interface to a specified observing interface for analysis and monitoring. A flow mirrored
interface refers to the interface to which a traffic policy containing the flow mirroring action is
applied. If the packets passing through the flow mirrored interface match a traffic classifier in
the traffic policy on this interface, the packets are copied and sent to an observing interface.
Figure 4-2 Networking diagram of local flow mirroring
Observing
interface
Monitoring device
Interface
Traffic classification match
Copied packet flows
Mirrored flows
Packet flows
Flow mirrored
interface
Flow mirrored
interface
Router
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - Device Management 4 Mirroring Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
59
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