How to configure sFlow on DrayTek Vigor routers

Before you begin, be aware that DrayTek Vigor routers can support only one Auvik collector.

These instructions assume:

• The date, time, and time zone are correctly set on the router.
• You have administration access to the DrayTek Vigor dashboard.
• You know the IP address of your Auvik collector.

Access the DrayTek Vigor web interface

1. Open a web browser and type in the router’s IP address.
2. Log into the router.

Configure sFlow

1. Log into the router dashboard.
2. Navigate to Configurations > sFlow Agent > Collector.
3. Set the parameters:
   1. Collector IP: The IP address of your Auvik collector
   2. Port: Choose one of the following: 2055, 2056, 4432, 4739, 6343, 9995, or 9996.
   3. IP type: IPv4
   4. Time Out: 0*** (Some DrayTek Vigor devices use 0 to indicate the sampling time never expires. If you’re not receiving flows after finishing the configuration, increase the timeout to its maximum value of 2147483647.)
   5. Datagram Size: 1400
4. Click Apply.

Configure the sampler

1. Go to Configurations > sFlow Agent > Sampler.
2. Click the symbol to edit the parameters:
   1. sFlow Port: Device port where sFlow is configured
   2. Sampler Type: ALL
   3. Sampling Rate: Set to 128, 256, 512, or 1024 
   4. Max Hdr Size: 128
   5. Polling interval: 60
3. Click Apply.