A.When the link status information increases, the message length of the LSP can be increased so that each LSP can carry more information.

B.By configuring an LSP-generated smart timer, the timer automatically adjusts the delay time based on the frequency of changes in routing information

C.LSP fast diffusion feature, first diffuse less than the specified number of LSPs, to speed up the synchronization process of LSDB

D.Reducing the minimum time interval for sending LSPs per port can speed up the diffusion of LSPs.

A.BGP So0, which is used to prevent routes issued from a VPN site from passing through the MPLS backbone and back to that site. So0 is an extended group attribute that MP-BGP automatically generates.

B.The TTL field in the label has the effect of preventing loops.

C.The routing exchange between PE-CE can be static routing, OSPF multi-instance, IS-IS multi-instance, EBGP

D.IBGP PEes generally use the Loopback interface address to establish a stable BGP neighbor relationship

A.FALSE

B.TRUE

A.Layer 3 gateway: Used for cross-subnet communication of VXLAN virtual networks and access to external networks.

B.Layer 2 gateway and VPN instance binding.

C.VXLAN Layer 3 gateways can be divided into centralized gateways and distributed gateways.

D.Layer 2 gateway: Used to solve the problem of tenant access to the VXLAN virtual network, it can also be used for subnet communication of the same VXLAN virtual network.

A.IGMPv2

B.BGP

C.OSPF

D.PIMV2