
Configuring IP, ARP, RARP, RIP, and OSPF Services
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Specifying the Interface Type
OSPF supports the following types of interfaces:
• Broadcast (default): An interface connected to a broadcast network that
supports multiple routers. OSPF can address a single physical message to all
attached routers. Examples of such networks are Ethernet, FDDI, and token
ring.
• Nonbroadcast multi-access (NBMA): An interface to an NBMA network that
supports multiple routers. However, OSPF cannot address a single physical
message to all routers. Examples of such a network are fully meshed group
mode frame relay and ATM.
• Point-to-point: An interface to a point-to-point network that joins a single pair
of OSPF routers. An example of such a network is a PPP line or a direct mode
frame relay PVC.
• Point-to-multipoint: An interface to a point-to-multipoint network that
supports multiple routers in a full or partial mesh configuration. An example
of such a network is a group mode frame relay environment. Nortel Networks
supports the standard OSPF point-to-multipoint interface (ietf) and also
provides a proprietary point-to-multipoint solution (pmp).
• Passive: A passive interface only receives advertisements. OSPF cannot use it
to form neighbor relationships, accept Hello messages, or send
advertisements. Within the attached area, OSPF advertises the network
attached to a passive interface as a stub network.
6. Set the Area ID parameter. Click on Help
or see the parameter description on page
A-41.
7. Click on Apply, and then click on Done. You return to the Configuration Manager
window.
Note:
If the interface is connected to an NBMA network, you must configure
the neighbors manually. For instructions on manually configuring neighbors,
see “
Configuring a Neighbor on an NBMA Interface” on page 6-38.
Site Manager Procedure
(continued)
You do this System responds
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