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HP 5500 Ei 5500 Si Switch Series Configuration Guide

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    							iv 
Upgrading Boot ROM through a system reboot ··················\
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Upgrading system software through system reboot (method 1) ··················\
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Upgrading system software through system reboot (method 2) ··················\
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Upgrading software by installing hotfixes  ··················\
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Basic concepts ··················\
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Patch state ··················\
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Hotfix configuration task list ··················\
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Installation prerequisites ··················\
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Installing a patch in one step ··················\
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Installing a patch step-by-step ··················\
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Uninstalling a patch  step-by-step ··················\
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Displaying and maintain ing software upgrade ··················\
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Software upgrade  examples ··················\
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Immediate upgrade conf iguration example ··················\
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Hotfix configuration example  ··················\
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Performing ISSU ··················\
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ISSU overview ··················\
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ISSU upgrade procedure ··················\
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ISSU states ··················\
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System software version rollback ··················\
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Performing an ISSU ··················\
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ISSU upgrade task list ··················\
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ISSU upgrade prerequisites  ··················\
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Displaying version compatibility ··················\
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Performing an ISSU for a compatible version ··················\
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Performing an ISSU for an  incompatible version ··················\
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Setting the ISSU vers ion rollback timer ··················\
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Performing a manual version rollback ··················\
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Displaying and maintaining ISSU  ··················\
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ISSU upgrade example ··················\
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Network status ··················\
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Network requirements ··················\
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··· 120 
Upgrade procedure ··················\
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Configuring link aggregation  ··················\
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Configuring the TFTP server ··················\
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Downloading the new system software image ··················\
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Checking all IRF member switches before the ISSU upgrade  ··················\
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· 124 
Viewing the version compatibility ··················\
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Performing compatible ISSU upgrade ··················\
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···  127 
Performing incompatible ISSU upgrade ··················\
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  128 
Managing the device ··················\
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Configuring the device name ··················\
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Changing the system time ··················\
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· 130 
Configuration guidelines ··················\
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Configuration procedure ··················\
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Enabling displaying the copyright statement ··················\
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Changing the brand name  ··················\
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Configuration preparation ··················\
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Configuration guidelines ··················\
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Configuration procedure ··················\
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Configuring banners ··················\
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Banner message input modes ··················\
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Configuration  procedure ··················\
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    							v 
Configuring the exception handling method ··················\
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·  137 
Rebooting the device ··················\
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Rebooting devices imme diately at the CLI ··················\
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 138 
Scheduling a device reboot ··················\
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Scheduling jobs ··················\
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Job configuration approaches ··················\
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Configuration guidelines ··················\
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Scheduling a job in th e non-modular approach ··················\
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Scheduling a job in the modular approach ··················\
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Disabling Boot  ROM access ··················\
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Configuring the port st atus detection timer··················\
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Configuring temperature th resholds for a device ··················\
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Clearing unused 16-bit interface indexes  ··················\
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Verifying and diagnosing transceiver modules ··················\
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Diagnosing transc eiver modules ··················\
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Displaying and maintainin g device management ··················\
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Automatic configuration introduction  ··················\
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Typical application scenario ··················\
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How automatic configuration works ··················\
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Automatic configurati on work flow ··················\
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Using DHCP to obtain an IP address  and other configuration information ··················\
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Obtaining the configuration file from the TFTP server ··················\
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Executing the configuration file  ··················\
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Index ··················\
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··········· 151 
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    							1 
Using the CLI 
At the command-line interface (CLI), you can enter text commands to configure, manage, and monitor 
your device. 
Figure 1  CLI example 
 
 
Logging in to the CLI 
You can log in to the CLI in a variety of ways. For example, you can log in through the console port, or 
by using Telnet or SSH. For more information about login methods, see  Logging in to the CLI  
Command conventions 
Command conventions help you understand the sy ntax of commands. Commands in product manuals 
comply with the conventions listed in  Table  1.  
Table 1  Command conventions 
Convention Descri
ption 
Boldface Bold text represents commands and keywords that you enter literally as shown. 
Italic  Italic text represents arguments that  you replace with actual values. 
[ ] Square brackets enclose syntax choices  (keywords or arguments) that are optional. 
{ x | y | ... } Braces enclose a set of required syntax choi ces separated by vertical bars, from which 
you select one.
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    							2 
Convention Description 
[ x | y | ... ] Square brackets enclose a set of optional syntax choices separated by vertical bars, from 
which you select one or none.  
{ x | y | ... } * Asterisk marked braces enclose a set of requ ired syntax choices separated by vertical 
bars, from which you select at least one. 
[ x | y | ... ] * Asterisk marked square bracke ts enclose optional syntax choices separated by vertical 
bars, from which you select one choice, multiple choices, or none.  
&  The argument or keyword and argument comb
ination before the ampersand (&) sign can 
be entered 1 to n times. 
#  A line that starts with a pound (#) sign is comments. 
 
Command keywords are case insensitive. 
The following example analyzes the syntax of the  clock datetime time date  command according to Tabl e 
1 . 
Figure 2  Understanding command-line parameter

s 
 
 
For example, to set the system time to 10:30:20, February 23, 201 1, enter the following command line 
at the CLI and press  Enter: 
 clock datetime 10:30:20 2/23/2011 
Using the undo form of a command 
Most configuration commands have an  undo form for canceling a configuration, restoring the default, or 
disabling a feature. For example, the  info-center enable command enables the information center, and 
the  undo info-center enable command disables the information center. 
CLI views 
Commands are grouped in different views by function. To use a command, you must enter the view of the 
command. 
CLI views are organized in a hierarchical structure, as shown in  Figure 3 . E
ach view has a unique prompt, 
from which you can identify where you are and what you can do. For example, the prompt 
[Sysname-vlan100]  shows that you are in the view of VLAN 100 and can configure attributes for the 
VLAN. 
You are placed in user view immediately after you ar e logged in to the CLI. The user view prompt is 
< Device-name >, where the  Device-name argument defaults to  HP and can be changed by using the 
sysname  command. In user view, you can perform some basic operations, including display, debug, file
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    							3 
management, FTP, Telnet, clock setting, and reboot. For more information about the sysname command, 
see  Fundamentals Command Reference . 
Fro m  u s e r  vi ew,  yo u  c a n  e n t e r  sys t e m  vi e w  t o  c o n f i g u re  g l o b a l  s e t t i n g s ,  i n c l u d i n g  t h e  d a yl i g h t  s a vi n g  t i m e,  
banners, and hotkeys. The system view prompt is [ Device-name]. 
From system view, you can enter different function vi ews. For example, you can enter interface view to 
configure interface parameters, enter VLAN view to  add ports to the specific VLAN, enter user interface 
view to configure login user attributes, or create a local user and enter local user view to configure 
attributes for the local user.  
To display all commands available in a view, enter a question mark (?) at the view prompt. 
Figure 3  CLI view hierarchy 
 
 
Entering system view from user view  
Task Command 
Enter system view from user view.  system-view 
 
Returning to the upper-level view from any view  
Task Command 
Return to the upper-level view from any view.  quit 
 
Executing the quit command in user view terminates your connection to the device.  
  NOTE:  
In public key code view, use the  public-key-code end command to return to the upper-level view (public
 
key view). In public key view, use the  peer-public-key end command to return to system view.
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    							4 
Returning to user view from any other view 
You can return to user view from any other view by using the return command, instead of using the  quit 
command repeatedly. Pressing  Ctrl+Z has the same effect. 
To return to user view from any other view: 
 
Task Command 
Return to user view.  return 
 
Accessing the CLI online help 
The CLI online help is context sensitive. You can enter a question mark at any point of a command to 
display all available options. 
To access the CLI online help, use one of the following methods: 
•   Enter a question mark at a view prompt to display the first keywords of all commands available in 
the view. For example: 
 ? 
User view commands: 
  archive           Specify archive settings 
  backup            Backup next startup-configuration file to TFTP serve\
r 
  boot-loader       Set boot loader 
  bootrom           Update/read/backup/restore bootrom 
  cd                Change current directory 
… 
•   Enter some keywords of a command and a ques tion mark separated by a space to display 
available keywords and arguments. 
{  Example 1: The question mark is in the place of a keyword, and the CLI displays all possible 
keywords with a brief description for each keyword. 
 terminal ? 
  debugging  Send debug information to terminal 
  logging    Send log information to terminal 
  monitor    Send information output to current terminal 
  trapping   Send trap information to terminal 
{ Example 2: The question mark is in the place of an argument, and the CLI displays the 
description of the argument. 
 system-view 
[Sysname] interface vlan-interface ? 
    VLAN interface 
[Sysname] interface vlan-interface 1 ? 
   
[Sysname] interface vlan-interface 1 
The string   indicates that the command is  complete, and you can press Enter to execute the 
command. 
•   Enter an incomplete keyword string followed by a  question mark to display all keywords starting 
with the string. For example:
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 f? 
   fixdisk 
   format 
   free 
   ftp 
 display ftp? 
   ftp 
   ftp-server 
   ftp-user 
Entering a command 
When you enter a command, you can use some keys or hotkeys to edit the command line, or use 
abbreviated keywords or keyword aliases. 
Editing a command line 
You can use the keys listed in Tabl e  2 or the hotkeys listed in Tabl e  3 to edit a command line. 
Table 2  Keys for editing a command line 
Ke
y Function 
Common keys  If the edit buffer is not full, pressing 
a common key inserts the character at the 
position of the cursor and moves the cursor to the right. 
Backspace  Deletes the character to the left of the cursor and moves the cursor back one 
character. 
Left arrow key or 
Ctrl+B  Moves the cursor one character to the left. 
Right arrow key or Ctrl+F   Moves the cursor one character to the right. 
Tab  If you press 
Tab after entering part of a keyword, the system automatically 
completes the keyword: 
•  If a unique match is found, the system substitutes the complete keyword for 
the incomplete one and displays what you entered in the next line. 
• If there is more than one match, you can press  Tab repeatedly to choose 
the keyword you want to enter. 
•  If there is no match, the system does not modify what you entered but 
displays it again in the next line. 
 
Entering a STRING type value for an argument 
Generally, a STRING type argument value can contai n any printable character (in the ASCII code range 
of 32 to 126) other than the question mark (?), quotation mark (), backward slash (\), and space. 
However, a specific STRING type argument might have more strict requirements. For example, the 
domain name is of the STRING type. Invalid characters  for it include the vertical bar (|), slash (/), colon 
( : ) ,  as te ri s k  ( * ) ,  l e ss - t h a n  s ig n  ( < ) ,  g re a te r- th a n  s ig n  ( > ) , a n d  a t  s ig n  ( @ ) ,  as  we l l  as  t h e  qu es t io n  m a rk  ( ? ) ,  
quotation mark (), backward slash (\), and space.  For more information about the specific requirements 
for a STRING type argument, see the relevant command reference. 
 system-view 
[Sysname] domain ?
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  STRING  Domain name 
Abbreviating commands 
You can enter a command line quickly by entering incomplete keywords that can uniquely identify the 
complete command. In user view, for example, commands starting with an s include startup  
saved-configuration  and system-view. To enter system view, you only need to enter  sy. To set the 
configuration file to be used at the next startup, you can enter  st s. 
You can also press  Tab to have an incomplete keyword automatically completed.  
Configuring and using command keyword aliases 
The command keyword alias function allows you to replace the first keyword of a non-undo command or 
the second keyword of an  undo command with your preferred keyword when you execute the command. 
For example, if you configure  show as the alias for the  display keyword, you can enter  show to execute 
a display  command. 
Usage guidelines 
•  After you successfully execute a command by using a keyword alias, the system saves the keyword, 
instead of its alias, to the running configuration. 
•   If you press  Tab after entering part of an alias, the keyword is displayed. 
•   If a string you entered partially matches a keyword and an alias, the command indicated by the 
alias is executed. To execute the command indicated by the keyword, enter the complete keyword. 
•   If a string you entered exactly matches a keyword but partially matches an alias, the command 
indicated by the keyword is executed. To execute the command indicated by the alias, enter the 
complete alias. 
•   If you enter a string that partially matches multiple aliases, the system gives you a prompt. 
Configuration procedure 
To configure a command keyword alias:  
Step Command Remarks 
1.  Enter system view. 
system-view N/A 
2.  Enable the command 
keyword alias function.  command-alias enable
   By default, the command keyword 
alias function is disabled. 
3.
  Configure a command 
keyword alias.  command-alias mapping 
cmdkey 
alias   By default, no command keyword 
alias is configured. 
You must enter the 
cmdkey and 
alias  arguments in their complete 
form. 
 
Configuring and using hotkeys 
To facilitate CLI operation, the system defines some hotkeys and provides five configurable command 
hotkeys. Pressing a command hotkey equals entering a command. For system-reserved hotkeys, see  Tabl e 
3 . 
To

 c o n fig u re  ho t keys :
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Step Command Remarks 
1.  Enter system view. 
system-view N/A 
2.  Configure hotkeys.  hotkey 
{ CTRL_G  | CTRL_L  | 
CTRL_O  | CTRL_T  | CTRL_U } 
command  
By default: 
• 
Ctrl+G  is assigned the  display 
current-configuration  
command. 
•  Ctrl+L  is assigned the  display ip 
routing-table  command. 
• Ctrl+O  is assigned the  undo 
debugging all command. 
No command is assigned to  Ctrl+T 
or Ctrl+U.  
3.  Display hotkeys.  display hotkey
 [ | { begin | 
exclude  | include  } 
regular-expression  ]  Optional. 
Available in any view. See 
Table 3 
for hotkeys reserved by the syst em.
 
 
The hotkeys in  Table 3 are defined by the device. If a hotkey is  also de fined by the terminal software that 
you are using to interact with the device, the definition of the terminal software takes effect. 
Table 3  Hotkeys reserved by the system 
Hotke
y Function 
Ctrl+A  Moves the cursor to the beginning of the line. 
Ctrl+B Moves the cursor one character to the left. 
Ctrl+C Stops the current command. 
Ctrl+D Deletes the character at the cursor. 
Ctrl+E Moves the cursor to the end of the line. 
Ctrl+F Moves the cursor one character to the right. 
Ctrl+H Deletes the character to the left of the cursor. 
Ctrl+K Aborts the connection request. 
Ctrl+N Displays the next command in  the command history buffer. 
Ctrl+P Displays the previous command in the command history buffer. 
Ctrl+R Redisplays the current line. 
Ctrl+V Pastes text from the clipboard. 
Ctrl+W Deletes the word to the left of the cursor. 
Ctrl+X Deletes all characters to the left of the cursor. 
Ctrl+Y Deletes all characters to the right of the cursor. 
Ctrl+Z Returns to user view. 
Ctrl+] Terminates an incoming connection or a redirect connection. 
Esc+B Moves the cursor back one word. 
Esc+D Deletes all characters from the cursor to the end of the word. 
Esc+F Moves the cursor forward one word.
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Hotkey Function 
Esc+N Moves the cursor down one line  (available before you press Enter) 
Esc+P Moves the cursor up one line (available before you press  Enter) 
Esc+< Moves the cursor to the beginning of the clipboard. 
Esc+> Moves the cursor to the ending of the clipboard. 
 
Enabling redisplaying entered-but-not-submitted commands 
After you enable redisplaying entered-but-not-submitted commands: 
•  If you entered nothing at the command-line prompt before the system outputs system information 
such as logs, the system does not displa y the command-line prompt after the output. 
•   If you entered some information (except Yes or No for confirmation), the system displays a line 
break and then display what you have entered after the output. 
To enable redisplaying entered-but-not-submitted commands: 
 
Step Command Remarks 
1.   Enter system view. 
system-view  N/A 
2.  Enable redisplaying 
entered-but-not-submitted 
commands.  info-center synchronous  By default, the feature is disabled. 
For more information about this 
command, see 
Network 
Management and Monitoring 
Command Reference . 
 
Understanding command-line error messages 
If a command line fails the syntax check, the CLI displays error messages. 
Table 4 Common command-line error messages 
Error messa
ge Cause 
% Unrecognized command found at ^ position. The keyword in the marked position is invalid. 
% Incomplete command found at ^ position.  One or more required keywords or arguments are 
missing. 
% Ambiguous command found at ^ position. The entered character sequence matches more than one 
command. 
Too many parameters The entered character sequence contains excessive 
keywords or arguments. 
% Wrong parameter found at ^ position.  The ar
gument in the marked position is invalid.
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