BGP and IGP use the same routing table in the setup. In order to implement communication between different AS, BGP needs to interact with the IGP, that is, the BGP routing table and the ICP routing table are introduced to each other.

Which of the following description about the special area of OSPF is wrong?

When configuring BGP, this type of alarm is generated: BGP/2/BACKWARD: OID [oid] The BGP FSM moves from a higher numbered state to a lower numbered state. As the following reasons for generating such an alarm, which is incorrect?

There are 8 fault-free links in an Eth-Trunk, each link can provide 1G broadband, and now requires a maximum of 5G broadband, then the upper limit value can be set to 5 or greater. Other links automatically enter the backup state to improve network reliability.

VRP Version By default, when the route-policy of BGP neighbor is changed, BGP will automatically send a refresh to this neighbor to request the neighbor to resend the Update message.