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Phil's Blog

The thoughts and ramblings of an Engineer

Tag: srx

Juniper SRX 1500
18 April, 2020 Blog

Juniper SRX: Clamp TCP MSS on a single interface

JunOS has some system wide settings for TCP MSS. These are limited to all TCP, IPSec VPN and GRE. Sometimes

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Juniper SRX 345
25 May, 2019 Blog

Juniper SRX: IPSec VPN sourcing from loopback interface in a VRF

Probably not an overly common setup but you’ll inevitably become frustrated if you try it. As per this Juniper PR,

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Juniper SRX 345
6 April, 2017 Blog

Juniper SRX – Upgrading JunOS from USB

There’s a few ways to do this. Here’s the easiest: First, format your USB drive as fat32. Download the compressed

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Juniper SRX 345
5 April, 2017 Blog

Juniper SRX PPPoE Configuration for Plusnet ADSL

This was a bit of a faff, so I thought I’d document it. The setup here is an ADSL modem

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Juniper SRX 345
24 November, 2016 Blog

An overview of JunOS Quality of Service (QoS / CoS) configuration

JunOS QoS configuration is flexible, albeit a little tricky to understand. It has a few key components which I shall

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Juniper SRX 345
20 September, 2016 Blog

Chassis clustering a Juniper SRX firewall via a switch

Intro It is recommended that clustered SRX devices are directly connected. To do this, you need to run 2 cables,

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