(Topic 1) What is wrong with the following filter configuration from an Alcatel-Lucent 7750 SR?

(Topic 1) What is wrong with the following filter configuration from an Alcatel-Lucent 7750 SR?

RTR-B# configure filter

RTR-B>config>filter# ip-filter 1 create

RTR-B>config>filter>ip-filter$ entry 1 create

RTR-B>config>filter>ip-filter>entry$ match src-ip 172.2.0.0/16

RTR-B>config>filter>ip-filter>entry# action drop

RTR-B# configure router interface toRTR-A

RTR-B>config>router>if# egress

RTR-B>config>router>if>egress# filter ip 1
A . There is nothing wrong with this filter
B . The filter should be applied to the ingress and not the egress.
C . The mask cannot be a "/" value, it must be in dotted decimal.
D . All traffic is being blocked