3Com 3C16990, Руководство пользователя

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Command Syntax
Symbols
You may see a variety of symbols shown as part of the command
syntax. These symbols explain how to enter the command, and you do
not type them as part of the command itself. Table 3 summarizes
command syntax symbols.
Table 3 Command Syntax Symbols
Symbol Description
angle brackets < > Enclose a variable or value. You must specify the variable or value. For example, in
the syntax
config vlan <name> ipaddress <ip_address>
you must supply a VLAN name for <name> and an address for <ip_address> when
entering the command. Do not type the angle brackets.
square brackets [ ] Enclose a required value or list of required arguments. One or more values or
arguments can be specified. For example, in the syntax
disable vlan [<name> | all]
you must specify either the VLAN name for <name>, or the keyword “all” when
entering the command. Do not type the square brackets.
vertical bar | Separates mutually exclusive items in a list, one of which must be entered. For
example, in the syntax
config snmp community [read | write] <string>
you must specify either the read or write community string in the command. Do not
type the vertical bar.
braces { } Enclose an optional value or a list of optional arguments. One or more values or
arguments can be specified. For example, in the syntax
show vlan {<name> | all}
you can specify either a particular VLAN or the keyword “all.” If you do not specify
an argument, the command will show all VLANs. Do not type the braces.
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