Upgrading The Software Using Issu - Juniper ACX1000 Configuration Manual

Upgrading the Software Using ISSU

Copyright © 2017, Juniper Networks, Inc.
Mirroring and pseudowire cross connect.
IPv6 firewall, IPv6 COS (classification and rewrite), IPv6 VPN, and VPLS mesh group.
Virtual Router Redundancy Protocol (VRRP) version 1 and 2.
Interval fast (every second) for periodic transmission of Link Aggregation Control
Protocol (LACP) packets. If the periodic interval fast is configured, then you may notice
traffic drops because of LACP links going down during ISSU. ACX5000 line of routers
can support LACP with fast hello by configuring the
set protocols lacp fast-hello-issu) on the main router and peer routers before starting
ISSU.
NOTE: The peer router must have Junos OS software to support this
functionality.
This procedure describes how to upgrade the software running on a standalone router:
NOTE: If the Host OS software needs to be updated, you cannot perform an
ISSU. Instead, perform a standard software upgrade.
It is recommended to cleanup any unwanted data from the /var directory
(/var/log, /var/tmp) before initiating the ISSU process.
To upgrade the router using ISSU:
Download the software package from the Juniper Networks Support website
1.
http://www.juniper.net/support/downloads/junos.html
NOTE: To access the download site, you must have a service contract
with Juniper Networks and an access account. If you need help obtaining
an account, complete the registration form at the Juniper Networks website
https://www.juniper.net/registration/Register.jsp
Go to ACX Series section and select the ACX5000 Series platform software you want
2.
to download.
Copy the software package or packages to the router. We recommend that you copy
3.
the file to the
/var/tmp
Log in to the console connection. Using a console connection allows you to monitor
4.
the progress of the upgrade.
Start the ISSU:
5.
On the router, enter:
Chapter 2: Installing and Upgrading Junos OS
directory.
option (user@host#
fast-hello-issu
.
.
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