CCNA Notes
CompTIA LX103
Cisco ICND1
Cisco ICND2
Cisco CCNP Route
Various
Labs
CompTIA LX103
Cisco ICND1
Cisco ICND2
Cisco CCNP Route
Various
Labs
Open Shortest Path First
OSPF sends Hello messages introducing themselves to a neighbor. If parameters match a relationship is formed. Can dynamically discover new neighbors.
Neighbors = directly connected links. show ip ospf neighbors
Hello message contains Router ID (RID) 32-byte address. Can be configured.
Hello:
*** OSPF router will not neighbor another router if connected interface is in a different subnet
(config)# router ospf 1 # The value represents Process ID. Just use 1. router-id 1.1.1.1 # Set Router ID -- OPTIONAL network 10.0.0.0 0.255.255.255 area 0 # Specify network and area.
default-information originate