BGP Cheat Sheet Flashcards
1
Q
What ranges are globally unique AS numbers and which are private AS numbers for BGP
A
Range 1-64511 is globally unique
Range 64512-65535 is private
2
Q
What type of protocol is BGP
A
Path Vector
3
Q
List the neighbor states and describe each for BGP
A
Idle: Neighbor is not responding
Active: Attempting to connect
Connect: TCP session established
Open Sent: Open message sent
Open Confirm: Response received
Established: Adjacency established
4
Q
Differences between Single Homed, Dual Homed, Single Multi-Homed and Dual Multi-Homed
A
The first Single/Dual word is for the number of links. The second Homed/Multi-homed represent multiple ISPs
5
Q
What type of authentication does BGP use?
A
MD5