from OSPF' ASE tag list. Only applicable for OSPF sourced
ASE routes and if OSPF is included as a route source. This
octet string contains tag values that could be present in an
OSPF ASE advertisement. If a tag value is included in this
list, this filter applies to OSPF ASE advertisements that
contain this tag value.
If non-null, The octet string contains one or more 4-octet
tag values. If null, this filter applies to OSPF ASEs with
any tag value.