Figure 167 – OSPF Scenario
3.6.2.3 BGP Scenario
Border Gateway Protocol (BGP) is a standard exterior gateway protocol designed to exchange routing and reachability
information between autonomous systems (AS) on the Internet. It usually makes routing decisions based on paths, network
policies, or rule-sets.
Most ISPs use BGP to establish routing between one another. Very large private IP networks also use BGP internally. The
major BGP gateway within one AS links with some other border gateways for exchanging routing information. It distributes
the collected data in AS to all routers in other AS.
Figure 168 – BGP Scenario
3.6.2.4 Advanced Configurable Routing
The NTC-400 Series Router features configurable routing software called Quagga. It is a routing software package that
provides TCP/IP based routing services with routing protocols support such as OSPF and BGP. Quagga is made from a
collection of several daemons that work together to build the routing table, so it provides an interactive user interface for
each routing protocol and supports common client commands.
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