Switched Port Analyzer (ERSPAN) is used to transport mirrored traffic in an IP
network. ERSPAN supports source ports, source VLANs, and destinations on
different switches, which provide remote monitoring of multiple switches across
To configure an ERSPAN
source session, you associate a set of source ports or VLANs with a destination
IP address, ERSPAN ID number, and virtual routing and forwarding (VRF) name.