September | 2015 |

In-Service Software Upgrade(ISSU) on QFX5100

22 September 2015

In order to upgrade a device, traditionally a downtime is needed to upgrade the Routing Engine. You could avoid the downtime if you have redundant Routing Engines. This is possible in the chassis based platforms where features that enable high availability like Graceful Routing Engine Switchover (GRES), NonStop Routing (NSR) and NonStop Bridging (NSB) allows smoother… Keep reading »

“time stamp XXX s in the future” messages seen during upgrade

21 September 2015

Sometimes during a Junos upgrade, you might see messages like these: tar: +CONTENTS: time stamp Mar 15 06:28 2015 is 26228139 s in the future tar: +COMMENT: time stamp Mar 15 06:28 2015 is 26228139 s in the future This is because the current time on the Juniper device is in the past… Keep reading »

Zero Touch Provisioning on Juniper devices using Windows

22 June 2016

In this article we will see how you can use Windows OS to perform ZTP on Juniper devices. There was a previous article, Zero Touch Provisioning on Juniper devices using Linux, where we saw how ZTP works when Linux is used. The principle of ZTP is the same one: the network device with no configuration gets… Keep reading »

Zero Touch Provisioning on Juniper devices using Linux

2 September 2015

In this post we will see in action the Zero Touch Provisioning(ZTP) feature on Juniper devices using Linux. The Juniper device will be a QFX5100, but you can use any other Juniper EX or QFX devices. All you need from the Juniper device is the MAC address based on which the DHCP server will identify… Keep reading »