Fast Ethernet Switching System User’s Guide
The switch with the lowest Bridge Identifier is the Root Bridge. It is best to make the Root Bridge the best switch on the network to ensure the best network performance and reliability.
Root Bridge
Specifies the MAC address of the Root Bridge. The
Root Port
Specifies the preferred path to the Root Bridge. Only one path per bridge can exist. The default setting is none.
Table 13: User Selective STA Parameters
STA Parameters | Settings | Effects | Comment |
Enable/Disable | Enable/Disable | Participate in or | Enable in a |
|
| remove from STA | SNMP network |
Bridge Priority | Lower the #, | Increases chance | Avoid, if the |
| higher the priority | of becoming the | switch is used in |
|
| Root Bridge | workgroup level |
|
|
| of a large network |
Hello Time | 1 – 10 seconds | No effect, if not | Never set greater |
|
| Root Bridge | than Max Age |
|
|
| Time |
Max Age Time | 6 – 40 seconds | Compete for Root | Avoid low |
|
| Bridge, if BPDU is | number for |
|
| not received | unnecessary reset |
|
|
| of Root Bridge |
Forward Delay | 4 – 30 seconds | High # delays the | 2 x (Forward |
Time |
| change in state | Delay minus 1 |
|
|
| second) > Max |
|
|
| Age, 2 x (Hello |
|
|
| Time plus 1 |
|
|
| second) < Max |
|
|
| Age |
Port Level STA parameters |
|
| |
Enable/ Disable | Enable/ disable | Enable or disable | Disable a port for |
|
| LAN segment | security or |
|
|
| problem isolation |
Port Priority | Lower the #, | Increases chance | No comment |
| higher the priority | of becoming the |
|
|
| Root Port |
|
Web Management | 111 |
