Junos: 使用之前

帮助与补全

补全帮助

当你敲命令的时候，不知道有那些参数时，可以尝试在命令后面空格然后键入？

user@router> ?Possible completions:  clear               Clear information in the system  configure           Manipulate software configuration information  file                Perform file operations  help                Provide help information  . . .

或者是

user@router> clear ?Possible completions:  amt                  Show AMT Protocol information  arp                  Clear address resolution information  auto-configuration   Clear auto-configuration action  bfd                  Clear Bidirectional Forwarding Detection information  . . .

完整帮助

你也可以输入 help topic 来提供完整的帮助文档

user@router> help topic interfaces ?Possible completions:  accept-data          Accept packets destined for virtual address  accept-source-mac    Policers for specific source MAC addresses  access-profile-chap  CHAP profile associated with physical interface  accounting           Packet counting for transit traffic  accounting-profile   Accounting profile  acfc                 Compression of Address and Control fields in PPP header  ...

或者是

user@router> help topic interfaces address                             Configuring the Interface Address   You assign an address to an interface by specifying the address when   configuring the protocol family. For the inet family, configure the   interface's IP address. For the iso family, configure one or more   addresses for the loopback interface. For the ccc, tcc, mpls, tnp, and   vpls families, you never configure an address.   ...

语法帮助

当你遇到一些语法问题时，可以尝试输入help reference

user@router> help reference interfaces address    address Syntax     address address {         arp ip-address (mac | multicast-mac) mac-address 
   
    ;         broadcast address;	...  Hierarchy Level     [edit interfaces interface-name unit logical-unit-number family family],     [edit logical-routers logical-router-name interfaces interface-name unit     logical-unit-number family family]...

补全命令

使用Space来完成你的命令

shSpaceow iSpace

user@router> sh
   
    ow i
    
      'i' is ambiguous.Possible completions:  iccp                 Show Inter Chassis Control Protocol...   igmp                 Show Internet Group Management Protocol...  igmp-snooping        Show IGMP snooping information  interfaces           Show interface information  ipv6                 Show IP version 6 information  isdn                 Show Integrated Services Digital    isis                 Show Intermediate System-to-Intermediate...user@router> show i

使用Tab来补全命令

show policy-statement tTabhis-is-my-policy

then accept;

[edit policy-options]user@router# show policy-statement t
   
    his-is-my-policy then accept;[edit policy-options]user@router#

管道符

利用管道符可以过滤一些信息，从而控制输出

user@router> show route | ?Possible completions:  count                Count occurrences  display              Show additional kinds of information  except               Show only text that does not match a pattern  find                 Search for first occurrence of pattern  hold                 Hold text without exiting the --More-- prompt  last                 Display end of output only  match                Show only text that matches a pattern  no-more              Don't paginate output  request              Make system-level requests  resolve              Resolve IP addresses  save                 Save output text to file  trim                 Trim specified number of columns from start of line

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