Preface 13
Nortel VPN Router Installation — VPN Router 1750
italic text Indicates new terms, book titles, and variables in
command syntax descriptions. Where a variable is two
or more words, an underscore connects the words.
Example: If the command syntax is
ping <ip_address>, ip_address is one variable
and you substitute one value for it.
plain Courier
text
Indicates system output, for example, prompts and
system messages.
Example:
File not found.
separator (,) Shows menu paths.
Example: Choose Status, Health Check.
vertical line (
| ) Separates choices for command keywords and
arguments. Enter only one choice. Do not type the
vertical line when you enter the command.
Example: If the command syntax is
terminal paging {off | on}, you enter either
terminal paging off or terminal paging on,
but not both.