1.4-BGP Sessions and Neighbors

Question 1

How many types of BGP neighbors?

Answer 1

There are two types of BGP neighbor relationships: iBGP Peers and eBGP Peers.

• iBGP Peers are BGP neighbors within the same autonomous system, AD of 200.
• eBGP Peers are BGP neighbors connecting separate autonomous systems, AD of 20.

Question 2

How do you establish a neighbor relationship with iBGP?

Answer 2

iBGP Peers are BGP neighbors within the same autonomous system.

Question 3

How do you establish a peer relationship with eBGP?

Answer 3

eBGP Peers are BGP neighbors connecting using separate autonomous systems.

Question 4

What is The rule of specificity?

Answer 4

The rule of specificity chooses the most specific route to the destination when it selects routing.

Question 5

What TCP port is bein used to form a BGP neighbor relationship?

Answer 5

BGP Neighbors are formed over TCP 179.