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191

Layer 3 remote port mirroring configuration

example

Network requirements

As shown in Figure 65, configure Layer 3 remote port mirroring and create a GRE tunnel so the server

can monitor the bidirectional traffic of the Marketing department through a GRE tunnel.

Figure 65 Network diagram

Configuration procedure

1. Configure IP addresses for the tunnel interfaces and related ports on the devices. (Details not

shown.)

2. Configure Device A (the source device):

# Create service loopback group 1, and specify the tunnel service for the group.

<DeviceA> system-view

[DeviceA] service-loopback group 1 type tunnel

# Assign Ten-GigabitEthernet 1/0/3 to service loopback group 1.

[DeviceA] interface ten-gigabitethernet 1/0/3

[DeviceA-Ten-GigabitEthernet1/0/3] port service-loopback group 1

All configurations on the interface will be lost. Continue?[Y/N]:y

[DeviceA-Ten-GigabitEthernet1/0/3] quit

# Create tunnel interface Tunnel 0 that operates in GRE mode, and configure an IP address and

subnet mask for the interface.

[DeviceA] interface tunnel 0 mode gre

[DeviceA-Tunnel0] ip address 50.1.1.1 24

# Configure source and destination IP addresses for Tunnel 0.

[DeviceA-Tunnel0] source 20.1.1.1

[DeviceA-Tunnel0] destination 30.1.1.2

[DeviceA-Tunnel0] quit

HP 5920 Configuration Guide

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