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本帖最后由 110105 于 2013-12-18 14:33 编辑
我做到最後在R3 下show ip route
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
D 172.16.0.0/16 is a summary, 00:13:55, Null0
C 172.16.1.0/24 is directly connected, Loopback1
10.0.0.0/8 is variably subnetted, 3 subnets, 3 masks
D 10.2.0.0/16 [90/2172416] via 10.2.3.4, 00:00:27, Serial0/0
D 10.0.0.0/8 is a summary, 00:13:55, Null0
C 10.2.3.0/24 is directly connected, Serial0/0
可是題庫答案是說只有兩個子網 我的答案卻有三個這樣算正常嗎
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