SMC Networks SMC7816M, SMC7816VSW T, A, 12-20

S PANNING T REE A LGORITHM
12-20
•Admin Link Type – The link type attached to this interface.
- Point-to-Point – A connection to exactly one other bridge.
- Shared – A connection to two or more bridges.
- Auto – The switch automatically determines if the interface is
attached to a point-to-point link or to shared media. (This is the
default setting.)
•Admin Edge Port (Fast Forwarding) – You can enable this op tion if an
interface is attached to a LAN segment that is at the end of a bridged
LAN or to an end node. Since end nodes cannot cause forwarding
loops, they can pass directly through to the spanning tree forwarding
state. Specifying Edge Ports provides quicker convergence for devices
such as workstations or servers, retains the current forwar ding database
to reduce the amount of frame flooding required to rebuild a ddress
tables during reconfiguration events, does not cause the spanning tree to
initiate reconfiguration when the interface changes state, and also
overcomes other STA-related timeout problems. However, remember
that Edge Port should only be enabled for ports connected to an
end-node device. (Default: Disabled)
•Migration – If at any time the switch detects STP BPDUs, including
Configuration or Topology Change Notification BPDUs, it will
automatically set the selected interface to forced STP-compatible mode.
However, you can also use the Protocol Migration button to manually
re-check the appropriate BPDU format (RSTP or STP- compatible) to
send on the selected interfaces. (Default: Disabled)