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Juniper SRX DHCP Server

Software Effect Enterprises, Inc Posted on November 24, 2020 by SEEINovember 24, 2020

I am adding a new VLAN to my network and I need my SRX to hand out IP addresses for that subnet. The vlan number I am using is 19. I am calling this network PUBLICVLAN Set up the irb … Continue reading →

Posted in Juniper, SRX | Tagged DHCP, juniper, SRX

JunOS : Versions running on dual partitions are not same

Software Effect Enterprises, Inc Posted on November 9, 2020 by SEEINovember 9, 2020

This appears on the console when booting a Juniper device: WARNING: JUNOS versions running on dual partitions are not same This will happen on an upgrade of JunOS.  To resolve this issue, make sure you are currently booted on the … Continue reading →

Posted in Juniper, SRX | Tagged dual, junos, partitions, version

Configuring DNAT on Juniper SRX300

Software Effect Enterprises, Inc Posted on February 2, 2020 by SEEINovember 8, 2020

I have a web server (10.9.21.17) behind my Juniper SRX firewall. I want to make it available to the Internet. I have one static public ip address (1.1.1.116) and it is bound to the interface facing the Internet edit security … Continue reading →

Posted in Juniper, SRX | Tagged DNAT, One to many translation, SRX

Restore Juniper SRX from backup

Software Effect Enterprises, Inc Posted on October 22, 2020 by SEEIOctober 22, 2020

Assuming you backup your SRX every time you make a change (see here) , you may have a need one day to restore your settings. To do so   root@srx# load replace scp://username:password@IP.Of.Backup.Server/path/NameOfConfigFileToLoad.conf.gz root@srx# commit Where: username is a username … Continue reading →

Posted in Juniper, SRX | Tagged archive, backup, juniper, restore, SRX

Backup your Juniper SRX every time you commit changes made to it

Software Effect Enterprises, Inc Posted on March 14, 2019 by SEEIFebruary 5, 2020

Add the following to your configuration Set up a location to scp your configurations to set up the time zone and ntp service – see my note Juniper – How to configure NTP Next – setup your host name:| set … Continue reading →

Posted in Juniper, SRX

Juniper – How to configure NTP

Software Effect Enterprises, Inc Posted on January 25, 2020 by SEEIJanuary 25, 2020

Below provides the basic commands for configuring the date, time and NTP on your Juniper Set the name servers set system name-server your.name.server.1 set system name-server your.name.server.2 commit Configure the Time Zone set system time-zone America/New_York Configure NTP set system … Continue reading →

Posted in Juniper | Tagged juniper, ntp

Using SCP to back up Juniper Router Configs

Software Effect Enterprises, Inc Posted on August 28, 2019 by SEEIAugust 28, 2019

srx1> start shell % scp /config/juniper.conf.gz username@myserver.domain.com:/someplace/myrouter.conf.gz Where: /config/juniper.conf.gz will be the latest config that you saved with the “commit” command username – is the username to use to authenticate to the server you are copying the config to myserver.domain.com … Continue reading →

Posted in Juniper

DHCP and/or Ping does not work on inside interface on SRX 300

Software Effect Enterprises, Inc Posted on March 17, 2019 by SEEIMarch 17, 2019

Problem: Traffic passes through to the outside/Internet on SRX, but the dhcp server does not assign ip addresses and you cannot ping the SRX from the inside Solution: The system services were blocked on the inside network. Example as follows: … Continue reading →

Posted in Juniper, SRX

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