This is output from router R4. Service 333 is a VPLS. Why does peer 10.10.10.1 not have an EgrLbl?
A. The SDP to 10.10.10.1 on router R4 is shutdown.
B. Router R4 has not sent a label to router R1 (10.10.10.1) yet.
C. 10.10.10.1 has a different service MTU set.
D. 10.10.10.1 has not sent a label to router R4 yet.