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User’s Manual of FGSW-2620VM / FGSW-2620PVM
83
Priority:
Decide which port should be blocked by setting its priority as the lowest. Enter a
number between 0 and 240.
The value of priority must be the multiple of 16.
Admin P2P:
The rapid state transitions possible within RSTP are dependent upon whether the
port concerned can only be connected to exactly another bridge (i.e. it is served
by a point-to-point LAN segment), or can be connected to two or more bridges
(i.e. it is served by a shared medium LAN segment). This function allows the P2P
status of the link to be manipulated administratively.
• YES means the port is regarded as a point-to-point link.
• NO means the port is regarded as a shared link.
• AUTO means the link type is determined by the auto-negotiation between
the two peers.
Admin Edge:
The port directly connected to end stations won’t create bridging loop in the
network. To configure the port as an edge port, set the port to “YES” status.
Admin Non STP:
The port includes the STP mathematic calculation.
• YES is not including STP mathematic calculation.
• NO is including the STP mathematic calculation.
Path cost “0” is used to indicate auto-configuration mode. When the short path cost method is selected
and the default path cost recommended by the IEEE 8021w standard exceeds 65,535, the default is set
to 65,535.
By default, the system automatically detects the speed and duplex mode used on each port, and configures the path cost
according to the values shown below.
Port Type IEEE 802.1D-1998 IEEE 802.1w-2001
Ethernet
50-600 200,000-20,000,000
Fast Ethernet
10-60 20,000-2,000,000
Gigabit Ethernet
3-10 2,000-200,000
Table 4-5-1: Recommended STP Path Cost Range
Port Type Link Type IEEE 802.1D-1998 IEEE 802.1w-2001
Ethernet
Half Duplex
Full Duplex
Trunk
100
95
90
2,000,000
1,999,999
1,000,000
Fast Ethernet
Half Duplex
Full Duplex
Trunk
19
18
15
200,000
100,000
50,000
Gigabit Ethernet
Full Duplex
Trunk
4
3
10,000
5,000
Table 4-5-2: Recommended STP Path Costs