Performance issues withJuniper EX4300MP
Hello, I'm attempting to replace Catalyst 3650 with Juniper EX4300-48MP but severe performance issues are plaguing VM host connected to Juniper switch. Network configuration:- The core consists of two...
View ArticleIssues connecting two different vlans through SRX
Hello community Could you help me with an issue with the connectivity between two vlans connected through an SRX? I am connecting two differente vlans (90 and 190) through an SRX, the vlan 90 is...
View ArticleEX 4300 many to many mirroring
i have a requirement of Many to many port miorring to run CC setup on Juniper EX 4300.Is that possible to achieve it?I tried couple of options but none of them have given satisfactory input.
View ArticleEX4500 dropping packets, will EX4600 do the same thing?
When we got our new servers up and running last September we ended up with a Veeam problem during replication. I ended up opening tickets with Veeam and VMWare since replication data gets pushed...
View Articlepush tag with l3 interface on client's QnQ
--------------- --------------- --------- + + xe-0/0/41 + + 100G + + + 3750x-48 +-------------+ qfx5110-48s +---------+ mx204 + + + + + + + --------------- --------------- --------- | |xe-0/0/1 | | | |...
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Persistent Mac Learning - Junos requirements
Hello all you wonderful people! I'm having to try to configure persistent mac learning on my EX3300 switches and well I'm not sure the Junos I am currently running supports it (or I just can't find the...
View ArticleQFX5100 port lockup
Hi!We have a few QFX5100s and in one of them four ports do not accept QSFP+ DAC cables (and probably not fiber QSFP+ modules) right now. The ports in question are et-0/0/16 to 19. We could reboot the...
View ArticleRecommended replacement switches
We have a VC consisting of 2 x EX4200-48t and 2 x EX4500-40f. What would be considered replacement hardware for this chassis.? thanks
View ArticleEX4300 XSTP : Interface error after Junos upgrade
Hi,Recently we have upgrade Junos on EX4300 virtual chassis. After upgrade we saw below error. speed 100m;#### Warning: statement ignored: unsupported platform (ex4300-48p)##link-mode full-duplex;unit...
View ArticleJuniper-Switching-Filter VSA limit
Hello, we are trying to implement Dynamic Firewall filters to an EX via RADIUS VSA with atribute Juniper-Switching-Filter. It is working fine on our EX2300 switches as long as the attribute value...
View ArticleIssues in SRX340 connecting IP phones with Asterisk server
Hello community: First, I would like to explain the topology I have in my office. I have one SRX340 configured two aggregated ethernet links ae0 and ae1. With vlan 90 in interface ae0 (ae0.90) I have...
View Articleex-3400 on 18.4R2.S2 no mac on SFP-t
we poc'ed these boxes and the SFP-T worked fine for 100mb connections. but that was on 15 code, the switches we just order are on 18.2 code when it shipped i think, I have tried 18.4R1.s4 and the...
View ArticlePort is never up on my juniper.
Hi guys, I have one problem for the EX 2300 24T series switch. Today i bought Card Access Controller on my company. But when i connection to on my juniper EX 2300 24 T series switch. Card Access...
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Tarffic flow in vlans
Switch - Left Side1. Switch is root for vlan 1701 and 14192. Cost interface xe-0/0/4 vlan 1701 cost 2000 interface xe-0/0/4 vlan 1419 cost 2000 interface xe-0/0/5 vlan 1419 cost 2000...
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Cannot upgrade J-Web on EX4600
We have a stack of two EX4600 switches that form the core of our network. They were running Junos 17.3R3-S3.3. Everytime we logged into J-Web an error message came up"Unable to check for J-Web...
View Articleip source guard without dhcp snooping?
Hello,i have 20x Juniper EX4200-48P and i have about ~400 devices connected to them, i want to use ip source guard to prevent ip spoofing in my network because most of my users is sending attacks to...
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RSTP block specific port
Hi all, First of all, sorry about my English I´ve a network with 3 EX4300 and 2 Mikrotiks that are distributed as ring topology:J1-----------J2(root)------J3---Mikrotik1---Mikrotik2----J1 so 1 link...
View Articlehow to convert Switch port alike hub?
i have ex 4300 switches and has a requirement of converting couple of ports to act like hub (i.e. all the traffic need a broadcasting) for connnecting couple of VOice recorders. AFAIK, no-mac-learning...
View ArticleJuniper EX2300 - JWEB not working and Connections
Hi there we have a stack of 2 JuniperEX230048p switches and for some reason JWEB will not load. I have tried several browsers and network but to no avail. SSH however does work. Also I have been...
View ArticleIP fabric with EVPN/VXLAN: uplink faliure
Hello, I was wondering what would happen if all the uplinks to the spines go down on a leaf in a spine-leaf topology. I was happy to see that the access interfaces configured with ESI's went all down...
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