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.
No， R4 will not have the route......
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Refer to the exhibit. Voice traffic is marked "preceden...
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？（）
A.a minimum of 48 kb/s B.a maximum of 48 kb/s C.a minimum of 48% of the available bandwidth D.a maximum of 48% of the available bandwidth
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...
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？
InLayer2topologies，spanning-treefailurescancauseloopsin...
多项选择题In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）
A.loop guard B.storm control C.storm suppression D.broadcast suppression E.BPDU guard
