{{tag>Services "Service 17" "VLAN Mirroring"}}
{{indexmenu_n>2}}
====== VLAN Mirroring ======
Service 17 includes mirroring subscriber traffic to a specific VLAN, which is added to the data ports of SSG. The traffic direction is preserved.

Configuration in ''fastdpi.conf'':
<code bash>
span_vlan=123
</code>

For diagnostics, you can use one of the parameters in ''fastdpi.conf'':\\
:!: These are hot parameters, enabled and disabled with ''reload''
<code bash>
trace_ip
span_trace
ajb_save_emit
</code>

Enabling VLAN mirroring:
<code bash>
fdpi_ctrl load --service 17 --ip 192.168.1.1
fdpi_ctrl load --service 17 --login USER101 </code>

Disabling VLAN mirroring:
<code bash>
fdpi_ctrl del --service 17 --ip 192.168.1.1
fdpi_ctrl del --service 17 --login USER101
</code>

<note important>If both services 12 and 17 are enabled, the PCAP will show both the original and mirrored recordings.</note>