Refer to the Exhibit. What as-path access-list regular expression should be applied no R2 as a neighbor filter-list to only allow updates with an origin of AS65503?
A.
65503
B.
_65503$
C.
^65503.*
D.
_65503.$
E.
^65503$
F.
_65503_
What as-path access-list regular expression should be applied no R2 as a neighbor filter-list to only allow updates with an origin of AS65503?
Refer to the Exhibit. What as-path access-list regular expression should be applied no R2 as a neighbor filter-list to only allow updates with an origin of AS65503?