在MSR路由器配置命令如下acl number 2001
rule o permit source 192.168.2.0 0.0.0.255
acl number 2002
rule o permit source 192.168.3.0 0.0.0.255
acl number 2003
rule o permit source 192.168.0.0 0.0.0.255
#
traffic classifier 2 operator or
if-matchacl 2001
if-match classifier 1
traffic classifier 1 operator and
if-matchacl 2002
if-matchacl 2003
#
traffic behavior 2
filter deny
#
qos policy 2
classifier 2 behavior 2
#
以下关于上述配置的说法正确的是____。