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Monitoring Hotfixes

Several commands provide information about hotfixes that have been loaded on the router. You can use the show hotfix command to discover the armed and activation status of all hotfixes or a specific hotfix. The output lists the hotfix by name and a unique ID number, which is useful if the filename has been changed. This command also displays dependencies for each hotfix; that is, other hotfixes that must be activated before that hotfix can be activated. For more usage details and sample output, see show hotfix.

The dir command displays all hotfixes present on the local flash card. The in use field indicates that the hotfix is either currently activated or armed to be activated as a startup hotfix for the currently armed release.

host1# dir
*** Active/standby file systems are not synchronized. ***
Active System Controller:
                                        unshared                          in 
          file                size        size          date (UTC)        use
-------------------------   ---------   ---------   -------------------   ---
reboot.hty                     596288      596288   03/07/2005 19:35:52      
system.log                       6762        6762   03/07/2005 17:30:08      
haIpSetup.mac                    4874        4874   03/24/2004 10:02:08      
6-0-1p0-5.rel               148489185   148489185   02/28/2005 18:17:32    !      
hf63035.hfx                     30445       30445   03/07/2005 14:04:02    !      
hf63030.hfx                     28675       28675   03/05/2005 18:22:32    
...

You can use the show version command to display a summary of each of the hotfixes currently activated on the system, including the hotfix name and hotfix ID.

host1#show version

Juniper Edge Routing Switch ERX-1400
Copyright (c) 1999-2005 Juniper Networks, Inc.  All rights reserved.
System Release: 6-0-1p0-5.rel               
        Version: 6.0.1 patch-0.5   (January 28, 2005  14:55)
        Active hotfixes: 
                  hf63036.hfx (Id: 1020)
                  hf63037.hfx (Id: 1030)
System running for: 7 days, 3 hours, 55 minutes, 5 seconds
        (since FRI FEB 04 2005 13:01:30 UTC)

The show boot command displays the current boot settings, including armed hotfixes that will be activated when the router reboots.

host1#show boot
 
System Release:   6-0-1p0-5.rel
        Armed Hotfixes: hf63035.hfx
        hf63036.hfx
        hf63037.hfx
System Configuration: running-configuration

The header of the show configuration command output includes the armed hotfix summary. You can issue the show configuration system file-system command to display the boot hotfix commands that restore the router to its current configuration when you issue the configuration script on a router configured with factory defaults.

Hotfixes that are active when you issue the show configuration command are not part of the command output or the resulting configuration script. Only armed hotfixes are part of the show configuration script.

host1#show configuration system file-system

! Configuration script being generated on TUE MAR 22 2005 16:43:41 UTC
! Juniper Edge Routing Switch ERX-1400
! Version: 6.0.1 patch-0.5   (January 28, 2005  14:55)
!  Active hotfixes: hf63036.hfx (Id: 23453036)
!                        hf63037.hfx (Id: 34563037)
! Copyright (c) 1999-2005 Juniper Networks, Inc.  All rights reserved.
! 
! Commands displayed are limited to those available at privilege level 15
! 
boot config running-configuration
boot system 6-0-1p0-5.rel               
boot hotfix hf63036.hfx
boot hotfix hf63037.hfx
no boot backup
no boot subsystem
no boot backup subsystem
no boot force-backup

show hotfix

Use to display the name, ID, activation and arming status, and dependencies for all hotfixes or a specific hotfix available on the local file system.
You can issue the detail keyword to additionally display a synopsis of the hotfix behavior. The detailed output for a specific hotfix also indicates compatible and incompatible hotfixes and lists modules affected by the hotfix.
Field descriptions
- name—Filename of the hotfix
- id—Number uniquely identifying the hotfix; nonconfigurable so that you can identify the hotfix if the filename has been changed
- active—Status of hotfix activation; X indicates that the hotfix is active
- armed—Status of hotfix arming; X indicates that the hotfix is armed to be activated; only hotfixes armed for the currently armed release are displayed as armed
- requires—Hotfix ID number or numbers identifying hotfix dependencies, which are hotfixes that must be activated before this hotfix can be activated
- synopsis—Brief description of the functionality or behavior of the hotfix
- Description—More detailed description of the functionality or behavior of the hotfix
- Dependencies—Hotfix ID number or numbers identifying hotfix dependencies, which are hotfixes that must be activated before this hotfix can be activated
- Safe to repatch—Hotfix ID number or numbers of hotfixes that can be concurrently active with this hotfix; applies only to hotfixes that fix the same existing functionality
- Unsafe with—Hotfix ID number or numbers of hotfixes that are incompatible and cannot be activated at the same time as this hotfix
- Notes—Restrictions on manual activations or deactivations

Example 1

host1#show hotfix

      name          id    active   armed   requires
----------------   ----   ------   -----   ----------
sleep.hfx           975     X        X          990
clock.hfx           990     X        X             
showHotfix.hfx     2010                          
incompatible.hfx    410                           
hfActivate.hfx      960

Example 2—The detail keyword additionally displays a synopsis of the hotfix.

host1#show hotfix detail
 
      name          id    active   armed   requires
----------------   ----   ------   -----   ----------
sleep.hfx           975     X        X          990
clock.hfx           990     X        X             
showHotfix.hfx     2010                           
incompatible.hfx    410                           
hfActivate.hfx      960                           
      name                             synopsis                    
----------------   ------------------------------------------------
sleep.hfx          Modify the output of the sleep command.         
clock.hfx          Modify the behavior of show clock.              
showHotfix.hfx     Changes the output of show hotfix.              
incompatible.hfx   Changes the output of show hotfix.              
hfActivate.hfx      Change log message severity for hotfix activate.

Example 3—The detail keyword for a particular hotfix displays the most detailed information.

host1#show hotfix clock.hfx detail
HotfixId: 990

Synopsis: Modify the behavior of show clock.

Active: Yes
Armed: Yes

Description:  Changes the output of the show clock command.

Affected modules: SRP, GE, VTM

Dependencies:

Safe to repatch:

Unsafe with:

Notes:
1) This hotfix can only be activated when the active SRP reloads
2) Arming this hotfix will cause the standby SRP to reload

See show hotfix.

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