request system software in-service-upgrade (Standalone ISSU)
Syntax
request system software in-service-upgrade package-name <no-validate> <no-copy> <unlink>
Description
Perform a standalone in-service software upgrade (ISSU) on a EX4400 switch with a single Routing Engine. Use this command when you require high availability of transit traffic during a software upgrade.
This command does not ask for confirmation and proceeds with the ISSU immediately. Once initiated, the upgrade cannot be paused or interrupted.
Options
| no-validate |
(Optional) Skip the validation step of the unified ISSU process. |
| no-copy |
(Optional) Install the software upgrade package but do not save the copies of package files. |
| unlink |
(Optional) Remove the software package after successful installation. |
Required Privilege Level
maintenance
Output Fields
When you enter this command, you are provided feedback on the status of your request.
Sample Output
request system software in-service-upgrade package-name
root@host> request system software in-service-upgrade package-name ISSU: Validating Image PRE ISSU CHECK: --------------- PFE Status : Online VC not in mixed or fabric mode : Valid GR enabled : Valid drop-all-tcp not configured : Valid Ready for ISSU : Valid ISSU: Invoking ephemeral export before pkg install NOTICE: Validating configuration against junos-install-ex-x86-64-XXXX.tgz. NOTICE: Use the 'no-validate' option to skip this if desired. Verified junos-install-ex-x86-64-XXXX signed by signing-key method ECDSA256+SHA256 Adding junos-ex-x86-64-XXXX ... Verified auto-snapshot signed by signing-key method ECDSA256+SHA256 Verified deebe signed by signing-key method ECDSA256+SHA256 Verified dsa signed by signing-key method ECDSA256+SHA256 Verified ex-pfe-logging signed by signing-key method ECDSA256+SHA256 ---- Verified system-counters signed by signing-key method ECDSA256+SHA256 Initializing... Mounting junos-runtime-ex-x86-32-XXXX Mounting junos-platform-ex-x86-32-XXXX Mounting junos-modules-ex-x86-64-XXXX ---- Mounting system-counters-XXXX Hardware Database regeneration succeeded Validating against /config/juniper.conf.gz mgd: commit complete Validation succeeded NOTICE: 'pending' set will be activated at next reboot... warning: Staging the software for upgrade: /var/tmp/junos-install-ex-x86-64-XXXX.tgz ISSU: Initialize Preparing Daemons Initiating Chassis In-Service-Upgrade Chassis ISSU Started ISSU: Initialize Preparing Daemons ISSU: Preparing Daemons ISSU: Daemons Ready for ISSU ISSU: Starting Upgrade for FRUs ISSU: FPC Warm Booting Checking In-Service-Upgrade status Item Status Reason FPC 0 ISSU Reboot Preparing to invoke ksync Preparing to invoke kexec IF YOU ARE NOT ON CONSOLE, SEE CONSOLE FOR DETAILED MESSAGES Starting kexec reboot ---<<BOOT>>--- Copyright (c) 1998-XXXX Juniper Networks, Inc. ---- FreeBSD JNPR-XX.X-XXXX Kernel 64-bit -- Muting boot messages -- ---- Mounting junos-runtime-ex-x86-32-XXXX ---- Starting watchdog daemon ... ---- mgd: optimized initialization enabled Commit optimization passed mgd done mountlater start mountlater done Starting cron. FreeBSD/amd64 (host) (ttyu0) login:
Release Information
Command introduced in Junos OS Release 26.2R1.