7.6.1.0 - Force10 Networks

Table 34 displays the default values for RSTP.
Table 34 RSTP Default Values
RSTP
Parameter Default Value
Forward Delay 15 seconds
Hello Time 2 seconds
Max Age 20 seconds
Port Cost 100-Mb/s Ethernet interfaces 200000
1-Gigabit Ethernet interfaces 20000
10-Gigabit Ethernet interfaces 2000
Port Channel with 100 Mb/s Ethernet interfaces 180000
Port Channel with 1-Gigabit Ethernet interfaces 18000
Port Channel with 10-Gigabit Ethernet interfaces 1800
Port Priority 128
Configuring Interfaces for Layer 2 Mode
All interfaces on all bridges that will participate in Rapid Spanning Tree must be in Layer 2 and enabled.
R1(conf)# int range gi 1/1 - 4
R1(conf-if-gi-1/1-4)# switchport
R1(conf-if-gi-1/1-4)# no shutdown
R1(conf-if-gi-1/1-4)#show config
!
interface GigabitEthernet 1/1
no ip address
switchport
no shutdown
!
interface GigabitEthernet 1/2
no ip address
switchport
no shutdown
!
interface GigabitEthernet 1/3
no ip address
switchport
no shutdown
!
interface GigabitEthernet 1/4
no ip address
switchport
no shutdown
Figure 268 Configuring Interfaces for Layer 2 Mode
R1 R2
1/1 1/2
3/1 3/2
356 RSTP
R3
1/3
1/4
3/3
3/4
2/1
2/2 2/3 2/4