Dell Force10 C150 Configuration Manual page 905

Table 44-2 displays the default values for RSTP.
Table 44-2. RSTP Default Values
RSTP
Parameter
Forward Delay
Hello Time
Max Age
Port Cost
Port Priority
To change these parameters, use the following commands, on the root bridge:
Task
Change the forward-delay parameter.
• Range: 4 to 30
• Default: 15 seconds
Change the hello-time parameter.
Note: With large configurations (especially those with more
ports) Dell Force10 recommends that you increase the
hello-time.
Range: 1 to 10
Default: 2 seconds
Change the max-age parameter.
Range: 6 to 40
Default: 20 seconds
View the current values for global parameters using the
privilege mode. See
100-Mb/s Ethernet interfaces
1-Gigabit Ethernet interfaces
10-Gigabit Ethernet interfaces
Port Channel with 100 Mb/s Ethernet interfaces
Port Channel with 1-Gigabit Ethernet interfaces
Port Channel with 10-Gigabit Ethernet interfaces
Figure 44-5.
Default Value
15 seconds
2 seconds
20 seconds
200000
20000
2000
180000
18000
1800
128
Command Syntax
forward-delay seconds
hello-time seconds
max-age seconds
show spanning-tree rstp
Rapid Spanning Tree Protocol | 905
Command Mode
PROTOCOL
SPANNING TREE
RSTP
PROTOCOL
SPANNING TREE
RSTP
PROTOCOL
SPANNING TREE
RSTP
command from EXEC