Prerequisites for SPAN and RSPAN
SPAN
You can limit SPAN traffic to specific VLANs by using the filter vlan keyword. If a trunk port is being monitored, only traffic on the VLANs specified with this keyword is monitored.
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By default, all VLANs are monitored on a trunk port. |
RSPAN
You can configure an RSPAN source or a destination session.
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We recommend that you configure an RSPAN VLAN before you configure an RSPAN source or a destination session. |