NETGEAR AV Line M4250 GSM4210PX 8-Port Gigabit PoE+ Compliant Managed AV Switch with SFP (220W) - Manual (Page 233)

If the value in the External Port Path Cost field is zero and the external path cost is
calculated automatically, the value is based on the link speed of the port.
The default is Disable.
14. From the BPDU Filter menu, select Enable or Disable to specify if BPDU traffic is
filtered on the port when STP is enabled on the port.
The default value is Disable.
15. From the BPDU Forwarding menu, select Enable or Disable to specify if BPDU
traffic that arrives on the port can be flooded if STP is disabled on the port.
The default value is Disable.
16. From the Auto Edge menu, select Enable or Disable to specify if the port can
become an edge port if the port does not receive BPDUs for a period.
The default is Enable.
17. From the Root Guard menu, select Enable or Disable to specify if the port can
discard any superior information that it receives and, in this way, protect the root of
the device from changing.
If you enable this option, the port is placed in the discarding state and does not
forward any packets. The default value is Disable.
18. From the Loop Guard menu, select Enable or Disable to specify if the port is
protected from Layer 2 forwarding loops.
If you enable this option, the port moves from the ‘listening/learning/forwarding’
state to the ‘STP loop inconsistent blocking state.’ The default is Disable
19. From the TCN Guard menu, select Enable or Disable to specify if the port is restricted
from propagating any topology change information that it receives.
The default is Disable.
20. From the Port Mode menu, select Enable or Disable to specify if STP is enabled or
disabled on the port.
The default value is Disable.
21. Click the Apply button.
Your settings are saved.
22. To save the settings to the running configuration, click the Save icon.
The following table describes the nonconfigurable fields on the page.
Main User Manual 233 Configure Switching Information
AV Line of Fully Managed Switches M4250 Series Main User Manual