OSPF Link-State & Hierarchy Simulator
Network Topology
Area 0 (Backbone)
Area 1
R1
R2
R3
R4
R5
PC1
PC2
External
Router Roles & IP Addressing
R1:
Internal Router (Area 1) - 10.1.1.1/24
R2:
ABR (Area 0/1) - 10.0.0.2/24, 10.1.1.2/24
R3:
Internal Router (Area 0) - 10.0.0.3/24
R4:
ASBR (Area 0) - 10.0.0.4/24, 203.0.113.1/30
R5:
Internal Router (Area 0) - 10.0.0.5/24
External:
203.0.113.2/30
Control Panel
Interface Configuration
Select Link
R1 - R2
R2 - R3
R2 - R5
R3 - R4
R4 - R5
Interface Cost
Hello Interval (sec)
Dead Interval (sec)
Apply Configuration
Interface Status
Toggle Interface
Reset All
External Route (R4)
Destination Network
Metric Type
E1 (Include internal cost)
E2 (Fixed cost)
External Metric
Add External Route
Packet Simulation
Hello
DBD
LSR
LSU
LSAck
SPF Calculation
Neighbor State (R1-R2)
Neighbor ID
State
Role
Priority
LSA Database (R1)
LSA Type
Link ID
Adv Router
Sequence
Checksum
Event Log
System initialized. OSPF process 1 started.
All interfaces configured with default OSPF parameters.
OSPF neighbors forming adjacencies...