Which of the following statement are correct regarding TTL value in VRRP packet?

Which of the following statement are correct regarding TTL value in VRRP packet?
A . The VRRP packet is only forwarded in one IP network, so the TTL value is always set to 1.
B . The TTL value of device from different manufactures is different; on VRP, the TTL value is 1.
C . By default, the VRRP packet with TTL value not equal to 255 will be dropped; On VRP, we can use some commands to disable the function of delecting TTL value.
D . The TTL value must be 255 In normal VRRP packet.

Answer: CD