Is there any recomendation for RR fuctionality regarding cisco boxes

Processing Labeled IPv4 Datagrams which are Too Big If a labeled IPv4 datagram is "too big", and the DF bit is not set in its IP header, then the LSR MAY silently discard the datagram. Note that discarding such datagrams is a sensible procedure...

According the diagram 802.q will make another 4 byte overhead so it will 1522switch also 1500 system mtu so it will forward 1518(frame overhead 18 byte )

DL1-NDEL-OKHL-PE2-7206#sh cef dropCEF Drop StatisticsSlot Encap_fail Unresolved Unsupported No_route No_adj ChkSum_ErrRP 754769 909 0 6578908 0 881DL1-NDEL-OKHL-PE2-7206#

Is there any fragmentation issue with outbound ACL in cisco