Dell PowerConnect 8024 User Configuration Manual page 1014

Figure 35-40. Flood Blocking Topology
R3
VLAN 103
R0
VLAN 101 VLAN 102
VLAN 104
R1 R2
1 Configure R0:
terminal length 0
config
hostname R0
line console
exec-timeout 0
exit
vlan 101-103
exit
ip routing
router ospf
router-id 10.10.10.10
network 172.20.0.0 0.0.255.255 area 0
network 172.21.0.0 0.0.255.255 area 0
timers spf 3 5
exit
interface vlan 101
ip address 172.21.1.10 255.255.255.0
ip ospf hello-interval 1
ip ospf dead-interval 4
ip ospf network point-to-point
exit
interface te1/0/21
switchport mode trunk
description "R1"
exit
interface vlan 102
1014
Configuring OSPF and OSPFv3