EX4500 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...
View ArticleQFX - Not Passing Vlans via Trunk?
Hey Guys, What do I have wrong? I can get an IP if I use access mode and switch to untagged in the rest of my network, but tagging isn't working. ae1 = Trunk to Distro switch with a LACP, then that...
View ArticlePort Mirroring FireEye device on EX4600 VC
We have a EX4600 VC Core, and our Infosec team wants to get a span port on each CORE, capturing all interfaces on each CORE.Core-1 NIC1 using port ge-0/2/6, Core-2 NIC2 ge-1/2/6. I tried using the ae...
View ArticleEX2300 Jitter on voip calls
So, I have not troubleshot sessions before, is therre a way to look at the vlan associated with the voip calls or some how see where/why we are getting jitter on the voip calls.?
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