When establishing a BGP MPLS VPN network, which of the following parameters need to be planned by the user and configured on the device ?

Congestion occurs in the outbound direction of a certain interface of a certain device.It is observed that the traffic of all its TCP connections continues to oscillate at the same frequency, and the average utilization of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, ______ technology can be used .

In the EPON system, the port that the ONU device connects to the user is

IPSec polic is configured between the two routers , after the policy is issued to the corresponding interface, the ping command is used to check the interoperability of the protected data flow, and it is found that the data passes 100% .Use displa ike sa and displa ipsec sa to order, it shows that IPSec SA is not established.
The reason for the failure of IPSec configuration is ____ .( Choose one or more )

The following belongs to the asymmetric key algorithm is ____ .