ZyXEL Appliance Configuration: XS3700, XGS1910/GS1910, XS3900, XGS3700/GS3700, XGS-4528F/XGS-4526, XGS4700, MES3500 and ES3500 series.

You can perform ZyXEL Appliance configuration using the following steps:

configure terminal sflow
sflow collector {NETFLOW_SERVER_IP} udp-port {NETFLOW_SERVER_LISTENER_PORT}

Enter global configuration mode on the router or MSFC, and issue the following commands for each interface on which you want to enable flow:

interface {INTERFACE_NAME}
sflow collector {NETFLOW_SERVER_IP} poll-interval 60 sampling-rate 256
exit