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Phil's Blog

The thoughts and ramblings of an Engineer

About Me

I’m an Engineer, working for Vonage. I write about stuff that interests me - primarily Networks, Software Engineering, VoIP and Electronics. It exists in the hope that someone may learn from my thoughts and ramblings. I'm on GitHub! I'm also currently fairly active on Twitter and LinkedIn.

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 MX204
18 April, 2020 Blog

Juniper MX: Simple static VXLAN configuration

On most VXLAN deployments, you’ll want to be using EVPN to distribute MAC addresses between devices. However, if you’re doing

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HPE ProLiant Gen8 G1610T
3 April, 2020 Blog

Linux: Kill stuck NFS process (kill -9 doesn’t work)

Apparently kill -9 always works… except when it doesn’t. It also so seems that 99% of the time, when it

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Wordpress Logo
16 July, 2019 Blog

WordPress plugin: Wikipedia extract tooltip v1.3

I initially wrote this plugin back in 2011. I then apparently released v1.1 and v1.2. Largely due to forgetting how

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15 July, 2019 Blog

So you’re thinking of applying to APNIC?

Having recently gone through the APNIC application process (and been accepted as a member), I thought it worthwhile writing about

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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 MX 80
24 May, 2019 Blog

Juniper JunOS: Difference between rib-groups and instance-import

Both rib-groups and instance-import allow you to selectively (or non-selectively) import routes into one VRF from another. I won’t go

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Juniper QFX 5110
12 April, 2019 Blog

Juniper MX204 – Enabling 100G ports

This was far more difficult than it should be so it’s worth writing down… First, check the Juniper Port Checker to

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Juniper QFX 5110
20 March, 2019 Blog

JunOS error: In routing-instance default-switch interface ae3.0 has vlan and vxlan mixed which is not supported

You might see this error when using VXLAN on Juniper kit after you set an interface to be a member

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9 February, 2018 Blog

Installing Debian 9 (Stable) on Dell Gen 14 servers with Perc H740P RAID Controllers

Dell’s 14th Generation servers have the option of shipping with Perc H740P RAID controllers. These are stonkingly good, as compared

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