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EX4300 Config

We are upgrading our environment to from EX4200s to EX4300s, essentially a 1:1 swap out. Are the configurations between the models compatable if I copy it directly over? Any gotchas' to look out for?

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EX9200 MC-LAG Failover Recovery Times

Hello All, I would appreciate any answers to gain some sort of consensus for my current situation.  I currently have two EX9204 chassis configured in an MC-LAG along with VRRP and when simulating a...

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QFX5100-48S Virtual Chassis on SFP+ port with 80 KM ZR SFP+

 Hi Can anyone confirm if i can make QFX5100-48S virtual chassis using 10G SFP+ port. The SFP+ will be ZR with distance upto 80 KM. Any concerns for latency on that. regards Tayyab

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EX4300 Virtual Chassis Problems

Hi Everyone,I'm trying to figure out why my virtual chassis is not linking with other switches.Before I installed them, I had everything configured correctly and was working properly.Here is what I...

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Install Software from ftp as "non root"

Hi Community, we want a user to be able to install JunOS Updated via ftp.However when copying the files from ftp to /var/tmp/ the Switch stores the image in the /home/user folder before copying it to...

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Unable to activate DHCP on EX3300 switch

Hello, I have been trying to setup a DHCP server on an EX3300 switch, I have been following (https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/dhcp-server-cli-els.html). I...

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DHCP-Relay + firewall on interface

Hi All, I have configured a DHCP-Relay on my EX9200 switch (off topic: **bleep** Juniper made this complex)Everything works fine but as soon as place an input firewall on the interface where the client...

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vQFX on VMware Fusion - RE won't boot

Hi, I have downloaded and successfully deployed the PFE and RE for the vQFX using vagrant and virtual box.  However, as I run most of my other VMs in VMware Fusion, I have tried exporting the VMs as...

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EX4300 Port Security - MAC Limiting (Allowed MAC) & ELS

I'm a new to Juniper devices and so please tell me if I'm being an idiot. I'm trying to configure an EX4300 switch with an allowed-mac list to limit what devices can connect. This appeared to be quite...

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How to configure VLAN-class-map and Rewrite input and Output Queuing on EX4550.

Hello Support. I would like to do the following configuration on EX4550 connect with Catalyst Switch.[topology](VLAN10)...

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SNMP ex9200

Hi, I use prtg to monitor snmp device/juniper ex, for ex2200 and ex3300 i dont face any problem, just setting the snmpv2 community,auth,and clients prtg can query the snmp interface bandwidth/traffic,...

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Creating Virtual Chassis with EX3400's

Hi All, I'm very new to Juniper and need assistance trying to create a VC with EX3400's.  I've searched the Knowlege Base and it seems that the setup is version specific and model specific sometimes....

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RSTP implementation question

First time poster, I apologize if I am in the wrong place.  I also inherited the configuration of this network... so be gentle. I currently have 5 sites which are connected with a L2 service from our...

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Trunking on vQFX

Dear Com ! When configuring two vQFX to communicate (layer 2) together I saw that trunking interface are not working. This is due to the vnic adaptor. The Intel PRO/1000 strip the 802.1Q trag. By...

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Any impact when EX Switch configures Secondary IP address for a Vlan.

Hello AllI appreciate if you can let me know the above subject.(EX Switch)set interfaces vlan unit 10 family inet address 10.0.10.101/24set interfaces vlan unit 10 family inet address 10.0.100.1/24...

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Filter traffic sent to analyzer

Hi, I work for a VoIP company and we have an analyzer setup so we can monitor all traffic in and out of the nework. Recently the port that all the traffic comes out on has been a bit overloaded and we...

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Strange logmessages: "IFCM: no handler for command subtype XXX"

Hi experts, after an upgrade to Junos 15.1R5 I noticed on my EX4550s strange log messages like these:---snip---chassism[1179]: IFCM: no handler for command subtype 178chassism[1179]: IFCM: no handler...

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MX Q-in-Q With Multiple Inner Tags not working

I am trying to build an interface that sends 3 seperate VLANs inside an outer tag across the network.  One of the logical units is a Layer3 IP interface and the other 2 are bridged VLANs.  Using the...

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How can do bandwidth control inet/inet6 for QFX 5100?

I've configured policers like: set vlans V10 forwarding-options filter input FILTER-10Mset vlans V10 forwarding-options filter output FILTER-10M set vlans V11 forwarding-options filter input...

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QinQ QFX and EX

Hello Guys, I'm trying to configure a QinQ vlan from a EX4550 to a QFX3550. I have checked all the forums and corrected any possible mistake on the 4550, like the ethertype thing, but it is still not...

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