Torgeek
A path attribute is a list of AS numbers that a route has traversed to reach a destination. BGP uses path attributes to provide more information about each route and to help prevent routing loops in an arbitrary topology. You can also use path attributes to determine administrative preferences.
- How many path attributes are there in BGP?
- What is BGP path selection criteria?
- What is BGP Best Path?
- What is a path attribute?
- What is BGP maximum paths?
- How to manipulate traffic in BGP?
- What are the 3 types of routing performed by BGP?
- How many types of BGP are there?
- What are the 3 types of routing performed by BGP?
- What are the 6 different possible states of a BGP peer?
- What are the default values of BGP attributes?
- Is BGP dynamic or static?
- Does BGP use TCP or UDP?
- Is BGP LAN or WAN?
How many path attributes are there in BGP?
There are four categories of BGP attributes: Well-known mandatory:Recognized by all BGP peers, passed to all peers, and present in all Update messages.
What is BGP path selection criteria?
BGP Path Selection Criteria
Choose the route with the highest weight. If weight is not set, choose the route with the highest local preference. Choose routes that this router originated. Choose the path with the shortest Autonomous System path.
What is BGP Best Path?
If there are no specific settings that can affect the outcome, BGP Best Path Selection Algorithm determines the best route by selecting the shortest path to the destination. An Autonomous System is a single network or a set of networks and routers, which are under the control of one administrative entity.
What is a path attribute?
The path attribute has two different meanings, either it defines a text path along which the characters of a text are rendered, or a motion path along which a referenced element is animated. You can use this attribute with the following SVG elements: <animateMotion>
What is BGP maximum paths?
Purpose: By default, BGP installs only the best path to a destination in the IP routing table. The maximum-paths command allows up to six paths to the same destination to be installed in the IP routing table.
How to manipulate traffic in BGP?
To influence the inbound traffic path, customers can use certain attributes (such as MED, AS-PATH, BGP communities) in the updates sent to their providers. Another method is based on the longest prefix-matching behavior and can be accomplished by the BGP conditional route injection.
What are the 3 types of routing performed by BGP?
Enhanced Interior Gateway Routing Protocol (EIGRP) Border Gateway Protocol (BGP) Intermediate System-to-Intermediate System (IS-IS)
How many types of BGP are there?
There are two types of BGP: internal or iBGP and external eBGP.
What are the 3 types of routing performed by BGP?
Enhanced Interior Gateway Routing Protocol (EIGRP) Border Gateway Protocol (BGP) Intermediate System-to-Intermediate System (IS-IS)
What are the 6 different possible states of a BGP peer?
In order to make decisions in its operations with peers, a BGP peer uses a simple finite state machine (FSM) that consists of six states: Idle; Connect; Active; OpenSent; OpenConfirm; and Established.
What are the default values of BGP attributes?
The default value is 100. To learn more, take a look at the BGP local preference attribute lesson.
Is BGP dynamic or static?
Border Gateway Protocol (BGP) is a dynamic network protocol that uses predetermined standards to facilitate communication between network devices.
Does BGP use TCP or UDP?
BGP uses TCP port 179 to communicate with other routers. TCP allows for handling of fragmentation, sequencing, and reliability (acknowledgement and retransmission) of communication packets.
Is BGP LAN or WAN?
BGP is most often used for internet redundancy, WAN and IaaS environments, while OSPF is primarily used for the LAN and data center.
