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forwards the packets to the data monitoring device. For more information about GRE tunnels and tunnel
interfaces, see Layer 3—IP Services Configuration Guide.
Figure 61 Layer 3 remote port mirroring implementation
Configuring local port mirroring
Local port mirroring takes effect only when the source ports, and the monitor port are configured.
Local port mirroring configuration task list
Tasks at a
g
lance
1. (Required.) Creating a local mirroring group
2. (Required.) Configuring source ports for the local mirroring group
3. (Required.) Configuring the monitor port for the local mirroring group
Creating a local mirroring group
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a local mirroring
group.
mirroring-group group-id local
By default, no local mirroring
group exists.
Configuring source ports for the local mirroring group
You can configure a list of source ports for a mirroring group at a time in system view, or assign a port
to it as a source port in interface view. To assign multiple ports to the mirroring group as source ports in
interface view, repeat the operation.
Configuration restrictions and guidelines
When you configure source ports for a local mirroring group, follow these restrictions and guidelines:
XGE1/0/1
Data monitoring
device
IP network
GRE tunnel
Tunnel interface
Source
device
Destination
device
Host
XGE1/0/2 XGE1/0/1
XGE1/0/2
Tunnel interface
Source port Monitor portOriginal packets
Common portMirrored packets