Capgemini Senior Network Engineer Interview Questions, Process, and Tips

BGP stands for Border Gateway Protocol, used for routing and exchanging routing information between different autonomous systems.

• BGP is used to connect different autonomous systems on the internet.

• It is a path vector protocol that helps in determining the best path for data to travel.

• BGP uses TCP port 179 for communication.

• It is commonly used by Internet Service Providers (ISPs) and large organizations to manage routin

OSPF LSA types include Router LSA, Network LSA, Summary LSA, and ASBR Summary LSA.

• Router LSA: Generated by each router to describe its directly connected links.

• Network LSA: Generated by DR to describe the network and its attached routers.

• Summary LSA: Generated by ABR to advertise routes from one area to another.

• ASBR Summary LSA: Generated by ASBR to advertise external routes into OSPF domain.

Vxlan is a virtual extensible LAN technology used to extend Layer 2 networks over Layer 3 networks.

• Vxlan stands for Virtual Extensible LAN

• It is used to extend Layer 2 networks over Layer 3 networks

• Vxlan adds a 24-bit identifier to the Layer 2 frame, allowing for up to 16 million virtual networks

• Vxlan encapsulates the original Ethernet frame within a UDP packet for transmission over the network

• Vxlan is commonly used in

VSS switch is a feature in Cisco switches for combining multiple physical switches into a single logical switch, while VPC is a feature for creating a loop-free topology in a data center network.

• VSS switch combines multiple physical switches into a single logical switch, providing higher availability and simplified network management.

• VPC (Virtual Port Channel) is a feature that allows links that are physically connecte...read more