Upgrade ex4200 in working enviroments
Hello,I have 6x EX4200 in working enviroments and i want to upgrade their junos but i never uypgrade ex4200 up to now,so my questions are :1. what is the solution for upgrade junos with less...
View Articleupgrade ex4200 failed
Hello,i have tried to update my ex4200 but i got following errorroot> ... add /mnt/jinstall-ex-4200-12.3R12.4-domestic-signed.tgzChecking pending install on fpc0rcp: shell/tcp: unknown service any...
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EVPN loop prevention?
Looking at the network drawing I made, there is a possibility that the VLAN from the last-mile provider enters our network on two different physical ports. The VLAN is put in the same EVPN instance.The...
View ArticleFail Over
Hi, I have two EX2300 stacks and my client is using the EX2300 to do failover between a dedicated eLAN circuit and Cisco ASA VPNs as backup paths. What is the best method? The switches have OSPF and...
View Article802.1x dynamic vlan and remote dekstop
Hi Eveyrone, I am currently testing 802.1x dynamic vlan. So far all work great, except for remote dekstop connection. Look like RDP and dynamic vlan doesn't make a good fit, or I may not be doing it...
View ArticleQuery: Traffic disruption due to deletion of a port of Virtual Chassis of two...
Hi, I'd like to know if service interruption or traffic disruption will take place for other ports except the deleted ports from a Virtual Chassis of two EX4300.Example: Deleting one Virtual Chassis...
View ArticleAccess port configuration with ELS
I am having some issues with an EX4300. There are a number of circuits that need to traverse a trunk uplink, some of these are single tagged and others are double tagged. As the customer traffic...
View ArticleJuniper EX4600-40F can not boot OS
Hi all,We have the problem that SW EX4600-40F could not boot the operating system and we did not remember the root password for maintenancePls help me fixed it. Thank you.
View ArticleBGP/EVPN between Juniper QFX5100 and Extreme Networks SLX
Hello all,has anyone already successfully connected an Juniper QFX switch with an Extreme Networks SLX switch via BGP/EVPN? From what we see in the communication is that Junos and SLX are exchanging...
View ArticlePort-Mirror Over IP network on EX switch or SRX
Hello, I need to do some port-mirroring over an IP network. Is this possible on EX switches. I've seen some documents in regards to MX setup using firewall filter. If the switch cannot do it, is it...
View ArticleEX_SW_XCELERATE chassism[1246]: link 28 SFP laser bias current low warning set
Hi!How to define interface by this log message:EX_SW_XCELERATE chassism[1246]: link 28 SFP laser bias current low warning set link 28 - what is corresponding phisical interface number? Is there method...
View ArticleDHCP on IRB Interfaces
Hi,I am using EX 4300 running 18.1R3-S6.1. I configured DHCP Client on IRB Interface (vlan 1000). I have a DHCP Server connected in that VLAN. I do not see any DHCP activity on the EX 4300. Its stuck...
View ArticleEX4200 Sflow questions
Hello,We have 20x Ex4200 and we have in mind to use their sflow to analyze ddos attacks and traffics so :1. Do we have any limitation on ex4200 sflow ?2. If we enable sflow on our ex4200, when we...
View Articleremove message from syslog
Hello, I'm trying to figure out why I can't stop a particular error message from filling up the logs on my syslog server. I've put a match in place already that should be stopping them, but for some...
View ArticleMember won't join the Virtual-Chassis
Hi, I have the issue that a EX4300 won't join a VC in production. 'show virtual-chassis' says 3 (FPC 3) Inactive PE3717020650 ex4300-48t 0 Linecard Y VC 2 vcp-255/1/1There is no helpful output in the...
View ArticleIncrease the amount of aggregated devices / best practice
Hi guys,just two quick questions:1)Running a VC of 3 EX4300. I will need to increase the amount of aggregated interfaces.Can I increase the amount of aggregated devices within the config during normal...
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EX4600 port mirror by vlan setup?
We have a stack of two EX4600's that form the core of our network and do layer 2 as well as all of our routing (layer 3). I have over 30 vlans defined with most of them routable. I went to setup a...
View ArticleDHCP Relay on EX4600 not working when DHCP server is not routed in EX4600 device
Hello all! I have a problem when trying to migrate DHCP server. We're moving our DHCP server to a new datacenter from our office, when doing this we noticed that our EX4600-40F which acts as router for...
View ArticleLACP required in a EVPN/VXLAN solution when connecting an ae interface to...
Hi Experts,Preparing to migrate from juniper qfx5100-VC solution to an qfx5100 EVPN/VXLAN.In the leagacy setup the ae interface has no LACP configured when connected to an ESXI vswitch (with NIC...
View Articleex4200 and sflow for attack mitigating ?
Hello,we have many EX4200 and we want to run a fastnetmon and set all switches send sflow to the fastnetmon so we can detect the attack and blackhole it,but i read that ex4200 has limitation of 300...
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