
Stackable NWay Ethernet Switch User’s Guide
Figure 5-2. After Applying the STA Rules
STA parameters |
| Settings |
| Effects |
| Comment |
Bridge Priority |
| lower the #, |
| Increases chance of |
| Avoid, if the switch is |
|
| higher the |
| becoming the Root |
| used in workgroup level |
|
| priority |
| Bridge |
| of a large network |
Hello Time |
| 1 - 10 sec. |
| No effect, if not |
| Never set greater than |
|
|
|
| Root Bridge |
| Max. Age Time |
Max. Age Time |
| 6 - 40 sec. |
| Compete for Root |
| Avoid low number for |
|
|
|
| Bridge, if BPDU is |
| unnecessary reset of |
|
|
|
| not received |
| Root Bridge |
Forward Delay |
| 4 - 30 sec. |
| High # delays the |
| Max. Age ≤ 2 x |
|
|
|
| change in state |
| (Forward Delay - 1) |
|
|
|
|
|
| Max. Age ≥ 2 x (Hello |
|
|
|
|
|
| Time + 1) |
|
| Port Level STA parameters |
|
| ||
Enable / Disable |
| Enable / |
| Enable or disable |
| Disable a port for |
|
| Disable |
| this LAN segment |
| security or problem |
|
|
|
|
|
| isolation |
Port Priority |
| lower the #, |
| Increases chance of |
|
|
|
| higher the |
| become Root Port |
|
|
|
| priority |
|
|
|
|
Table
Port Trunking
Port trunking is used to combine a number of ports together to make a single
The Switch supports 3 trunk groups, which may include from 2 to 8 switch ports each, except for the third trunk group which consists of the 2 ports of the Slot 1,
34 | Switch Management Concepts |