Difference between egp and bgp

The Border Gateway Protocol (BGP) is one of a family of IP Routing protocols, and is an Exterior Gateway Protocol (EGP) designed to distribute routing information between ASs. EGPs are all vector routing protocols.

1. Is BGP IGP or EGP?
2. What is difference between IGP and EGP?
3. What is the difference between IGP and BGP?
4. What is the EGP?
5. Can I run BGP without IGP?
6. What is the difference between OSPF and BGP?
7. What is an example of an EGP?
8. Is EGP distance vector?
9. What are IGP and EGP stands for and what are their roles?
10. Why BGP is used over OSPF?
11. Why BGP is not used AS IGP?
12. Why we use BGP instead of IGP?
13. How many tables are there in BGP?
14. Can BGP work without OSPF?
15. Does MPLS require IGP?

Is BGP IGP or EGP?

IGP vs EGP

IGP means Interior Routing Protocol, and EGP – Exterior Routing Protocol. OSPF, IS-IS, RIP and EIGRP are IGP Protocols. BGP is the only available EGP Protocol. The original intent of protocol designers was to use IGP within the boundaries of a network and EGP outside of these boundaries.

What is difference between IGP and EGP?

An interior gateway protocol (IGP) is a routing protocol that is used to exchange routing information within an autonomous system (AS). In contrast, an Exterior Gateway Protocol (EGP) is for determining network reachability between autonomous systems and makes use of IGPs to resolve routes within an AS.

What is the difference between IGP and BGP?

IGP is used to establish and distribute routing information to routers within Autonomous System (AS), the most common routing protocols within this category are RIP (Routing Information Protocol) and OSPF (Open Shortest Path First) [2]. BGP is used to route traffic between ASs within the internet.

What is the EGP?

Exterior Gateway Protocol (EGP) is a protocol for exchanging routing information between two neighbor gateway hosts (each with its own router) in a network of autonomous systems. EGP is commonly used between hosts on the Internet to exchange routing table information. ... EGP-2 is the latest version of EGP.

Can I run BGP without IGP?

Before a BGP route is advertised and added to the routing table, this route must be known via an IGP. For the case of AS65000, no IGP is used, only pure iBGP peering hence BGP synchronization will stop bgp speaker from adding routes learned by its iBGP peer to its routing table. Synchronization must be turned off.

What is the difference between OSPF and BGP?

The main difference between OSPF and BGP is that OSPF is an intra-domain routing protocol using link state routing, and the routing operation is performed inside an autonomous system while BGP is the inter-domain routing protocol that uses path vector routing, with the routing operations performed between two ...

What is an example of an EGP?

Examples of EGPs include:

Border Gateway Protocol (BGP) Exterior Gateway Protocol (EGP) The ISO's InterDomain Routing Protocol (IDRP)

Is EGP distance vector?

Routing protocols can be classified into different groups according to their characteristics. Specifically, routing protocols can be classified by their: Purpose: Interior Gateway Protocol (IGP) or Exterior Gateway Protocol (EGP) Operation: Distance vector protocol, link-state protocol, or path-vector protocol.

What are IGP and EGP stands for and what are their roles?

Position of BGP

IGP stands for Interior Gateway Protocol, which is mainly used to control networks within organizations. RIP, OSPF, and IS-IS are well-known as IGP. EGP stands for Exterior Gateway Protocol, which mediates among the organizations operated by IGP.

Why BGP is used over OSPF?

BGP is considered to be more flexible as well as scalable than OSPF and it would be also used on a larger network. OSPF would be used to determine the fastest route whereas the BGP would be putting emphasis on determining the best path. Well, Because OSPF stub areas which would be a total mess to configure.

Why BGP is not used AS IGP?

Mohamamd Pariwz Usmani wrote: BGP was purpose-built for exchanging routes between autonomous systems. IGPs were not designed to handle the scale of routing information and their functioning would be negatively impacted by the large scale of the Internet routing table.

Why we use BGP instead of IGP?

The gist of it is that IGPs are built to operate within an autonomous system and BGP is built to operate between autonomous systems. The key difference is in the nature of intra-AS vs. ... The goal is to get a holistic view of the autonomous system and the need for routing policy, while there, isn't great.

How many tables are there in BGP?

Routers running the BGP protocol use 3 types of routing tables for different purposes: 1) BGP Neighbor Table – table containing information about BGP neighbors.

Can BGP work without OSPF?

15 asked a question. BGP running without IGP question. ... BGP requires TCP transport since it doesn't have it prepriority mechanisms such as OSPF or EIGRP per say.

Does MPLS require IGP?

RE: Why we need routing protocol in MPLS

Speaking about "RSVP MPLS" in particular, one needs link-state IGP (not RIP, and not static routes) for loop prevention. Before sending out RSVP Path message, ingress LSR needs to build a loop-free ERO (Explicit Route Object).