2. Via checkup, it is found that the ndp and ntdp on/off of equipments are off. After ndp and ntdp are enabled, re-establishing a list in cluster succeeds.
Since all the past manuals for MA5200F point out that both are defaulted to on, they may be ignored. In the new release, both are defaulted to off.
Use the display ndp and display ntdpcommands to check the state of on/off
3. After NDP and NTDP on/off of equipment are on, we could add and delete members for cluster normally.