实验环境:GNS IOS c3640-ik9o3s-mz.124-10.bin 和packet tracer 5.2 ------DNS解析配置部分
(先前试着使用了一下5.3,感觉好像没有5.2爽,有些命令在5.2中是对的,可在5.3中不行,对我这初学者,我还是使用5.2,就够了)
Router(config)#ip host router1 ?
<0-65535> Default telnet port number
A.B.C.D Host IP address //我只实验使用了IP
additional Append addresses
mx Configure a MX record
ns Configure an NS record
srv Configure a SRV record
Router(config)#ip host router1 192.168.1.1 ? //看书上写最多可以配置8个ip,下面是我
A.B.C.D Host IP address //实验的结果,结果表明可以不只配置8个
<cr>
Router(config)#ip host router1 192.168.1.1 192.168.1.2 ?
A.B.C.D Host IP address
<cr>
Router(config)#$.1.5 192.168.1.6 192.168.1.7 192.168.1.8 ?
A.B.C.D Host IP address
<cr>
Router(config)#$ 192.168.1.4 192.168.1.5 192.168.1.6 192.168.1.7 192.168.1.8 ?
A.B.C.D Host IP address
<cr>
Router(config)#$.1.5 192.168.1.6 192.168.1.7 192.168.1.8 192.168.1.9 ?
A.B.C.D Host IP address
<cr>
Router(config)#$68.1.6 192.168.1.7 192.168.1.8 192.168.1.9 192.168.1.10 ?
A.B.C.D Host IP address
<cr>
Router(config)#$.168.1.7 192.168.1.8 192.168.1.9 192.168.1.10 192.168.1.11 ?
A.B.C.D Host IP address
<cr>
Router(config)#$.168.1.7 192.168.1.8 192.168.1.9 192.168.1.10 192.168.1.11
Router(config)#do show host //显示上面的结果。由于show命令不是这个模式的命令,所以使用show之前加上一个do,这样就不用切换回特权模式了,方便
Default domain is not set
Name/address lookup uses static mappings
Codes: UN - unknown, EX - expired, OK - OK, ?? - revalidate
temp - temporary, perm - permanent
NA - Not Applicable None - Not defined
Host Port Flags Age Type Address(es)
router1 None (perm, OK) 0 IP 192.168.1.1 //这个perm应该是永久的意思,
192.168.1.2 //我之前在 http://zhangsir.blog.51cto.com/1037125/316602 中有个实验是temp,应该是临时的
192.168.1.3
192.168.1.4
192.168.1.5
192.168.1.6
192.168.1.7
192.168.1.8
192.168.1.9
192.168.1.10
192.168.1.11
Router(config)#
下面是DNS解析配置,我用的是PT做的
Router(config)#ip name-server 192.168.1.2 //我配置的DNS服务器
Router(config)#exit
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router#router1 //telnet到router上,先解析名字
Translating "router1"...domain server (192.168.1.2)
Trying 192.168.1.5 ...% Connection timed out; remote host not responding //解析出来了
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