Which of the following descriptions of MPLS label space is wrong?

Which of the following descriptions of MPLS label space is wrong?
A . When the penultimate hop LSR performs label exchange, if it is found that the exchanged label value is 3, the label will be popped up by default and the packet will be sent to the last hop.
B . 16~1023 is the label space shared by static LSP and static CR-LSP
C . If the outgoing label value is 0, the router will directly discard the packet.
D . Above 1024 is the label space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP and so on.

View Answer

Answer: C