You are troubleshooting an issue, which is causing full-sized packets entering the MPLS cloud to
be dropped. You have discovered that one of the switches in the MPLS core is not a Cisco switch,
but otherwise the MPLS MTU size is set to 1508 bytes on the routers. Based on this information,
which of these may be the reason the packets are being dropped?

A.
no switches support oversized packets

B.
by definition, the maximum MTU is 1500 bytes

C.
the switch on your MPLS core that was not produced by Cisco does not support oversized
packets

D.
in this situation, the MTU setting is irrelevant; in MPLS the maximum acceptable IP packet size
is 1492 bytes

E.
as MPLS VPN labeling increases the size of the packet by 8 bytes, the IP MTU should have
been changed to 1508