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How many connections a stub network can have to an Internet work?
Explanation: Stub networks have only one connection to an internetwork. Only default routes can be set on a stub network or network loops may occur.
What is stub area in networking?
A stub area is an area in which you do not allow advertisements of external routes, which thus reduces the size of the database even more. Instead, a default summary route (0.0. Stub areas are shielded from external routes but receive information about networks that belong to other areas of the same OSPF domain.
How do I find my stub network?
Stub networks are essentially local area networks (LAN) that either do not connect to the outside and relay data packets internally or are dead-end LANs that know of only one network exit. Stub networks may have multiple connections but use one path to single points of destination.
What is a stub network OSPF?
Stub networks are a kind of network that OSPF uses to draw the network map; stub areas are a special kind of area where you can filter out IPs and replace them with a default route.
What is the use of stub network?
A stub network, or pocket network, is a somewhat casual term describing a computer network, or part of an internetwork, with no knowledge of other networks, that will typically send much or all of its non-local traffic out via a single path, with the network aware only of a default route to non-local destinations.
What is a stub router?
Per Wiki: A Stub router, One-armed router or router on a stick is a router that routes traffic between virtual local area networks (VLANs). It has only a single Ethernet NIC that is part of two or more Virtual LANs, enabling them to be joined. unless a “stub router” is required to be connected to a switch.
What is a stub in programming?
A method stub or simply stub in software development is a piece of code used to stand in for some other programming functionality. A stub may simulate the behavior of existing code (such as a procedure on a remote machine; such methods are often called mocks) or be a temporary substitute for yet-to-be-developed code.
What is stub routing?
Stub routing is commonly used in hub-and-spoke network topologies. In a hub-and-spoke network, one or more end (stub) networks are connected to a remote device (the spoke) that is connected to one or more distribution devices (the hub). The remote device is adjacent to one or more distribution devices.
How do I set up a stub area?
To configure OSPF stub areas:
- On all routing devices in the area, configure an OSPF stub area.
- On the ABR, inject a default route into the area.
- (Optional) On the ABR, restrict summary LSAs from entering the area.
- If you are done configuring the devices, commit the configuration.
What is a stub as?
A stub autonomous system that is connected to only one other autonomous system, through which it gains access to the Internet. This is also called a stub AS, which characterize the great majority of AS connected to the Internet.