eBGP LAB, BGP (Border Gateway Protocol) Lab in cisco packet tracer | eBGP Basic configuration
How to configure eBGP in step by step process in cisco packet tracer,
BGP LAB, BGP (Border Gateway Protocol) Lab in cisco packet tracer, BGP Basic configuration
What is BGP, Border Gateway Protocol, BGP Introduction, How to work BGP, BGP explanation
Open Standard protocol.
It is an EGP Protocol.
Path Vector Routing Protocol.
Classless Routing Protocol.
By default auto summary is disabled.
Maximum-path by default is 1.
It is a Layer 7 protocol.
TCP Port no 179.
It is a completely reliable routing protocol.
Administrative Distance is 20 and 200. 20 for eBGP & 200 for iBGP.
It sends its messages as a unicast.
Doesn’t support dynamic neighbourship.
BGP convergence is slow as compare to IGP Protocols.
Where we use BGP :
• When our network is enterprise network.
• IGP protocol developed for to handle 1000’s of prefixes.
• When we are service provider. • Between two service provider.
• Types of customers.
Single homed customer.
Dual homed customer.
Single multi homed customer. –
Dual multi homed customer.
• Only one AS run in one BGP router.
• In between BGP neighbours one router uses random tcp port no & one router use well known BGP port no.
• BGP router which initiates the TCP connection is used random port number.