EX Series SDN support
Hi everyone, I'd like to know which EX switches are available to support the SDN. I know that EX4500 series support SDN, but I'm not sure about other EX series switches. I appreciate any information....
View Articleme0 errors on ex4200's
I have three logical ex4200's running 12.3R6.6. Two are VC's and one is a standalone. All are using VME interfaces for management. On these switches, I'm seeing generic input errors incrementing on...
View ArticleLayer 3 vlan isolation
Hello, I was looking for commands on how to prevent certain L3 vlans from talking to each other on Juniper devices, specifically EX4200. I know with Cisco you use ACL and then apply it to the vlan...
View ArticleEX2200 - Block a MAC address?
Is there a way to block a specific MAC address on an EX2200 switch? I ask because we've recently detected an IP conflict on our network, and I traced the rogue device's MAC address down to the exact...
View ArticleRouting between core and access switch ?
Trying to brush up my skills before changing a few things on our network and am perplexed by two things. Two questions below On our EX4500 core switch stack we have several vlans defined including...
View Articlenative-vlan-id ?
We have a lag trunk setup between our EX4500 core switch and a EX4200 edge switch. As you can see below, on the EX4200 we have native-vlan-id set to Management which is also a member of the trunk. A...
View ArticleUnknown error
Hi bro. I'm configuring for an EX3300 switch, and I get this errorerror: Overlapping subnet is configred under vlan[edit interfaces vlan unit 211 family inet] 'address 172.29.5.4/27' Overlapping subnet...
View ArticleQFX5100 System Abnormal Shutdown
We have been experiencing some reboots happening lately with our QFX5100. One of them happened on December 10th and another happened this morning at 6:53AM. Unfortunately the logs haven't turned up...
View ArticleQuestion on EX-2200 and VC
We have 3 EX-2200 that we want to VC, my understanding is the only way is to use gBICs and chanin them. Someone at work said no, we could do it with the standard 1G ports. Thanks
View ArticleL2 port bandwidth limit
Hi, Please see the following configuration first:1)set firewall policer BW_Restrict_10Mb if-exceeding bandwidth-limit 10mset firewall policer BW_Restrict_10Mb if-exceeding burst-size-limit 1250000set...
View ArticleEX-2200 VC, not seeing all ports.
Running three EX2200 48 port switches.When I run show virtual-chassis, it shows Rol as backup and line cards.In order for the other ports to show up, ge-2/0/0 thru ge-2/0/47....
View ArticleEX3300 resets itself?
Hello everybody, we experience a very strange "Problem" with some of our EX3300: Version: 14.1X53-D26.2 We put the switch out of the box, plug it in and zeroize it to be sure, that it is empty.After...
View ArticleCreate rescue configuration on QFX5100 cluster (VC) fails
Hello, I am trying the create a rescue configuration on the a QFX5100 virtual chassis (4 switches in cluster). When running the command "request system confifuration rescue save", I get "error"...
View ArticleFilter based forwarding on EX4600/EX4300 mixed virtual chassis
Hello everyone, I am running 14.1X53-D27.3 on a mixed virtual chassis - two EX4600's and two EX4300's. The EX4600's are the routing engines. I'm trying to configure filter based forwarding. Normally, I...
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vstp and rstp priority and will loops occur?
Hi All I have the following scenario and was just wondering what the affect would be in a brief power outage. The core switch is connected to 3 access switches, on the core switch configuration. VSTP...
View ArticleEX4200/EX4500 does not pass via the GRE traffic going from devices connected...
Good afternoon! GRE tunnel is built between the cluster of EX4200/EX4500 and remote D-Link DFL. Cluster of EX4200/EX4500 does not pass via the GRE traffic going from devices connected to the EX....
View ArticleEX4300 PVLAN propagation
Hello, I've many private vlan on EX4300 VC (version 14.1X53-D10.4, with Enhanced Layer 2 Software. When I configure many pvlan on interface ae1 and I want to commit, the command return : error:...
View ArticleWhat is multimode .vs single mode on gbic
Redwave Optics Juniper EX-SFP-10GE-SR 100% Compatible 10GBASE-SR SFP+SFP+ transceiver module10GBase-SRLC multi-modefor Juniper EX 3200; 4200above is the gbics we have, our data carrier says they will...
View ArticleCVE-2016-1256. workaround
From https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10714&actp=search not clear what exactly to do (exclude upgrade up to new version of course). set igmp-snooping vlan all version...
View ArticleL2PT VCF QFX5100 - EX4300
Hello,I'm testing a setup with QFX5100 as SPINE and EX4300 as Leaf. QinQ is working fine, but L2PT It's not working.The L2PT its from EX4300 to QFX5100 or from QFX to another QFX. With fabric I don't...
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