Netgear FSM726S FSM726S User Manual - Page 53

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Main Menu> Advanced Menu> Spanning Tree> Port Settings For the Port Settings options, you can specify Spanning Tree parameters for each port. These parameters include port priority, path cost, and Fastlink. Table 6-1 STP Port Setting Parameters Parameters Range Prty (Priority) 0-255 Cost 1-65535 Description STP bases on this to determine the port to use for forwarding. The port with the lowest number has the highest priority. The switch uses this to determine which port is the forwarding port. All other factors equal, the path with the lowest cost to the root bridge will be the active path. Fastlink in STP mode When a port running the standard STP is connected, it will go through the STP negotiation (listening -> learning -> forwarding or blocking) before it will be fully available. If a server is trying to access a client through the switch running the STP negotiation, it will not be able to connect to it immediately. This can be a problem for some networks. Fastlink mode solves this problem by setting the port directly to forwarding mode, thus allowing any server access request to be forwarded. Fastlink mode can cause temporary loops in your network, but the STP will find and eliminate them. Fastlink is best used on end node ports, i.e. ports connected to PCs or servers, to avoid network loops. Figure 6-23: Spanning Tree: Port Settings Page 53 of 110

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Page 53 of 110
Main Menu> Advanced Menu> Spanning Tree> Port Settings
For the Port Settings options, you can specify Spanning Tree parameters for each port. These parameters include port priority, path cost, and
Fastlink.
Table 6-1 STP Port Setting Parameters
Parameters
Range
Description
Prty (Priority)
0-255
STP bases on this to determine the port to use for forwarding. The port with the lowest number
has the highest priority.
Cost
1-65535
The switch uses this to determine which port is the forwarding port.
All other factors equal, the
path with the lowest cost to the root bridge will be the active path.
Fastlink in STP mode
When a port running the standard STP is connected, it will go through the STP negotiation (listening -> learning -> forwarding or blocking) before it
will be fully available.
If a server is trying to access a client through the switch running the STP negotiation, it will not be able to connect to it
immediately.
This can be a problem for some networks.
Fastlink mode solves this problem by setting the port directly to forwarding mode, thus
allowing any server access request to be forwarded.
Fastlink mode can cause temporary loops in your network, but the STP will find and eliminate
them.
Fastlink is best used on end node ports, i.e. ports connected to PCs or servers, to avoid network loops.
Figure 6-23: Spanning Tree: Port Settings