有如下两个community-filter<br /> Ip community-filter 1 permit100:1200:1<br /> Ip community-filter 2 permit100:1<br /> Ip community-filter 2 permit200:1<br /> 下面哪些描述是错误的?()
A、一个BGP路由携带的团体属性中既有100:1又有200:1时才能匹配community-filter1
B、一条BGP路由携带的团体属性中是100:1或200:1或两者都有,都能匹配community-filter1
C、一条BGP路由携带的团体属性中既有100:1又有200:1时才能匹配community-filter2
D、一条BGP路由携带的团体属性中是100:1或200:1或两者都有,都能匹配community-filter2