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Virtual Chassis Setup

Juniper EX2200, EX4200, EX4300, EX4550

(2014-08-13) These notes are for JunOS 12.3R3.4. You do not need an enhanced license to use Virtu...

Updated 2 months ago by david

Snmp query: Requested table is empty or does not exist

Juniper EX2200, EX4200, EX4300, EX4550

(7 September 2012) Problem When you run switchwalk, it complains that a table is empty or missing...

Updated 2 months ago by david

Sample First-Boot Config

Juniper EX2200, EX4200, EX4300, EX4550

(2013-07-19) This is how I configure my EX2200 when I first get them. New EX2200 Initial Setup We...

Updated 2 months ago by david

Logging Out Stale Sessions

Juniper EX2200, EX4200, EX4300, EX4550

(2016-09-07) Problem There's an edit session, that you are not connected to, that you want to clo...

Updated 2 months ago by david

LAG and LACP

Juniper EX2200, EX4200, EX4300, EX4550

(27 June 2012) on JunOS 10.4r5.5 Simple LAG Creation Tell the switch how many aggregated ethernet...

Updated 2 months ago by david

Deleting a vc-port

Juniper EX2200, EX4200, EX4300, EX4550

(2016-02-24) Problem By default, the 40Gb interfaces on the back are defined as vc-ports for Virt...

Updated 2 months ago by david

Format Install via TFTP

Juniper EX2200, EX4200, EX4300, EX4550

(2022-06-19) Problem EX device is complaining about errors which boil down to it complaining abou...

Updated 2 months ago by david

filter-define.conf log message

Juniper EX2200, EX4200, EX4300, EX4550

(2021-10-27) Problem "cmd='ls -i /var/etc/filters/filter-define.conf'" log message generated ever...

Updated 2 months ago by david

Factory Defaults

Juniper EX2200, EX4200, EX4300, EX4550

Problem Return to factory defaults. Solution For JunOS 11.1 or higher: lab@EX2200> request system...

Updated 2 months ago by david

error: remote side unexpectedly closed connection

Juniper EX2200, EX4200, EX4300, EX4550

(2014-02-21) Problem Brand new switch, can't configure because the CLI console keeps saying: erro...

Updated 2 months ago by david

Could Not Format Alternate Root

Juniper EX2200, EX4200, EX4300, EX4550

(2021-01-26) Problem rancid@s-reserve> request system snapshot slice alternate fpc0: ------------...

Updated 2 months ago by david

Change Root Password

Juniper EX2200, EX4200, EX4300, EX4550

(20 August 2012) --- JUNOS 10.4R5.5 built 2011-06-14 02:01:48 UTC root@sa3-41:RE:0% cli root@sa3-...

Updated 2 months ago by david

TFTP Install Firmware From Loader

Juniper SRX

(2017-08-22) TFTP Installing Firmware From The Loader connect a console reboot the device interr...

Updated 2 months ago by david

Loading A Configuration From The Terminal

Juniper SRX

(2017-08-22) Loading Configuration From The Terminal To replace the current configuration with a ...

Updated 2 months ago by david

VPN Phase 1 Connects Then Drops

Juniper SRX

(2015-03-26) Problem Phase 1 connects then drops seconds later. In the trace options, you see the...

Updated 2 months ago by david

VIP

Juniper SRX

(2 April 2012) Problem I want to create a ScreenOS-type VIP (aka a port forward) where one port o...

Updated 2 months ago by david

Getting Policies In The Order You Want Them

Juniper SRX

You can do this through the CLI: insert security policies from-zone trust to-zone untrust policy ...

Updated 2 months ago by david

IKE Identity Failure

Juniper SRX

(2015-03-26) Problem Phase 1 connects then drops seconds later. In the trace options, you see the...

Updated 2 months ago by david

fxp0 Addressing

Juniper SRX

(17 January 2012) Incomplete, work in progress. I probably don't understand this fully yet. When ...

Updated 2 months ago by david

Cluster Failover

Juniper SRX

(17 January 2012) TL/DR: different parts of the cluster can be on different nodes. It doesn't loo...

Updated 2 months ago by david