单项选择题
A.loop guard
B.PortFast
C.root guard
D.BDPU guard
问答题 R1(AS1)------R2(AS2)-----R3(AS2)----R4(AS2) ,R1在AS1,R2,R3,R4在AS2,R1和R2建EBGP , R2和R3 IBGP,R3和R4 IBGP,产生BGP路由从R1传给R2,问这条路有会不会在R4上出现,如果不会,怎么解决.
单项选择题 Refer to the exhibit. Voice traffic is marked "precedence 5." How much bandwidth is allocated for voice traffic during periods of congestion?()
问答题 As 2 产生A的BGP路由,R1上分别设置了weight, local-precedence如图所示:问R1要到A,把数据包给谁?