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Product Placement
Not today Justin
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Monterey Bay Aquarium
if i look back, i am lost
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Sweet Seals For You, Always
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2025 on Tumblr: Trends That Defined the Year
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we're not kids anymore.
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@setroute0
Basic MPLS
In this post I will try to clarify how to get a basic MPLS setup running. We will configure 6 routers in a lab setup and we will get some IP traffic through MPLS. The goal is not to explain all the details of MPLS, the goal is to get a setup running to see how you can get it going.
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EX4600/QFX5100 - Do not install a copper transceiver in an access port directly above or below another copper transceiver
EX4600/QFX5100 – Do not install a copper transceiver in an access port directly above or below another copper transceiver
Just saw this in a Juniper Document
Never thought about that. Anyway, I never saw a functional problem with it. But I guess they created the warning for any damage created on the chassis caused by those SFP’s. (they are a big bigger then optical sfp’s).
CAUTION Do not install a copper transceiver in an access port directly above or below another copper transceiver. Internal damage to the access…
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Simple Juniper EX config
Simple Juniper EX config
Hi all
I had to install some switches this week for a customer. I thought it might be interesting to share the config and explain why I did what.
The config was for a company with not the most network knowledge, so I tried to simplify some things. I will explain further on.
The config itself:
system { hostname SW-EDGE-LOC; auto-snapshot; time-zone America/New_York; root-authentication…
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vxlan / multicast on vmx
vxlan / multicast on vmx
This is an explanation how to configure vMX routers for VXLAN with Multicast control plane. The configuration can be used on MX routers with maybe some small adaptations. I didn’t try to run this config on a hardware MX router.
For people interested in getting the JNCIP-DC certification. This is one of the topics required for the exam. However the exam focusses on QFX switches and the…
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Guest Zone configuration
In this post we will configure an SRX firewall for Guest access. We will create the interfaces, policies and basic dhcp and dns services.
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EX2300 and EX3400 switches, LACP slow?
EX2300 and EX3400 switches, LACP slow?
When reading through some Juniper articles I discovered this on the page about LACP:
Note: On EX2300 and EX3400 switches, the LACP protocol must be configured with a periodic SLOW timer to prevent flaps during CPU intensive operations events such as routing engine switchover, interface flaps, and exhaustive data collection from the packet forwarding engine.
Something to think about when…
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DHCP jdchp - old dhcp
DHCP jdchp – old dhcp
A lot of people seem to struggle with DHCP on Juniper devices. Juniper didn’t really help when they released the JDCHP process / config. This article tries to show how to configure DHCP for client, server and relay. In both the old Legacy DHCP and JDHCP.
Client Normal DHCP
WARNING
Let’s start of with a warning from Juniper:
Starting with Junos OS Release 15.1X49-D60 and Junos OS Release 17.3R1,…
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The internet is keeping score
Tumblr, we know you’ve been fighting valiantly to restore net neutrality. Whether you added widgets to your Tumblrs, or reblogged posts to spread the word to your followers, or contacted your reps asking them to keep the internet free and open as we know it—you’re helping. You’re doing it. Let’s keep that momentum up.
BattleForTheNet.com (@fight4future) is letting Congress know that the internet is keeping score of every Congressperson who is and is not supporting the restoration of net neutrality.
Right now you can visit that scoreboard and easily look up whether or not your reps support the Congressional Review Act resolution.
This CRA will restore the net neutrality rules the FCC dismantled back in November 2017. They have 177 signatures, but need 44 more. You can help make that happen. This grassroots effort is working. Just two days ago Rep. Mike Coffman listened to his constituents from Colorado and became the first Republican to support the Democrat-led CRA. Keep putting that same pressure on your congresspeople. Urge them to sign the petition. If your congressperson has already pledged to support the CRA, reblog this post, add the new widget to your Tumblr (just copy and paste the small line of code from Battle For The Net right into the customize theme page on the web), and shout out what’s happening on all of your social media accounts. We have to spread the word.
Keep going, Tumblr. This matters, and you’re making a marked difference.
IPSec tunnel between Juniper SRX and pfSense Firewall
IPSec tunnel between Juniper SRX and pfSense Firewall
How to set up an IPsec tunnel between a pfsense Firewall and a Juniper vSRX firewall. Pfsense is a leading open source firewall distribution. Junos vSRX is Juniper’s firewall or security router. In this article we go into how to configure site to site VPN’s between the two different vendors.
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Subnetting IP and VLAN plan
When you install a new network one of the things that needs to be planned is how to subnet your new setup.
It has to be logical, secure, robust, future proof and it has to keep a logical layout in mind.
In this article I will show some guidelines how you can do it and what’s my philosophy about it.
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I had to upgrade some Juniper EX4200 switches this weekend. All went good, but one of the switches didn’t come back into the Virtual Chassis…
I had to upgrade some Juniper EX4200 switches this weekend. All went good, but one of the switches didn’t come back into the Virtual Chassis…
