EX3300 normal port suddenly change to VC-Port?
Hi All, May i know whether someone have facing problem same like me that normal port sudenly change to VC-PORT on EX3300-VC as per below log? {master:0}test@test> show virtual-chassis...
View Articleerror: the ethernet-switching subsystem is not responding to management requests
Hi, When i enter "sh vlans" on an EX3300 switch with 12.2R10.2 it says "error: the ethernet-switching subsystem is not responding to management requests" as answer. I will be so glad if someone knows...
View ArticleDHCP exclude-address on QFX5100
Hi I need to replace my ex switch with QFX5100. All the DHCP configuration onEX switch is replicated to QFX5100. The only command i am unable to find in QFX is DHCP exclude-address command. Can anyone...
View ArticleUpgrade EX4550 from 12.3 to 15.1 (recommanded version)
Hello,we have EX4550 standalone running 12.3, juniper is recommanded 15.1is it possible to upgrade directly from 12.3 to 15.1 ? or we need intermediaire version. Note that from juniper upgrade...
View ArticleSetting Root Bridge
I have several questions in regards to setting the root bridge priority properly. We have a our corp HQ office that is running a ex4200VC at the core. We have 15 addition IDF switches in our...
View ArticlevQFX test lab on KVM
Hi all, I have been doing some studying for Juniper exams and decided to check out the vQFX vm . I have set it up on KVM, as opposed to virtuabox. I understand it is not a supported configuration but...
View Articlesflow sampling for qfx5100 virtual chassis for junos space
hi gents, did anyone try configuring a virtual chassis qfx5100 devices for sflow towards a junos space log collector? heres my sampling rate .. any thoughts? set protocols sflow...
View ArticleEx4600 brreakout cable.
Hello fellow Juniperians.I bought an ex4600 with a standard 24sfp+ ports. This hardware also have 4*40Gbit qsfp. This ports are able to connect breakout cables.My question is. Can those breakout cables...
View ArticleEX2200 L2 Uplink with VLAN Trunking
Hi everyone, I can't figure out how to do this. We're expanding our network one of our sites, and have bought an additional 3 EX2200 switches to the existing 2 that's setup in a Virtual Chassis. The...
View ArticleJuniper 2200 EX storm control
Experts, Just started noticing message: ESWD_ST_CTL_ERROR_IN_EFFECT: ae0.0: storm control in effect on the port ae0 is a trunk port to another switch, but show configuration...
View Article4300EX EX-BCM PIC errors
Experts, I have started seeing these messages: Jan 12 13:40:00 MDF fpc3 [EX-BCM PIC] ex_bcm_linkscan_handler: Link 46 UP Jan 12 13:39:58 MDF fpc3 [EX-BCM PIC] ex_bcm_linkscan_handler: Link 46 DOWN as...
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Inband Management on EX3300
Hi All,I'm a Juniper n00b, so bare with me. I'm setting up inband management and unable to hit the mgmt interface (am connected to the switch directly).I've assigned an IP to a new MGMT vlan;set...
View ArticleJuniper EX4200; Intermittent Packet leak to wrong Routing-Instance VLAN
Hi, We currently have a pair of Juniper EX4200-48T (JunOS 12.3R12.4) running as separate Core LAN Switches, not stacked. They’re both configured essentially the same except for different IP / VRRP...
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firewall family ethernet-switching filter then interface
Hi all, I am testing lab as the diagram show below: The PC A transmit packet to PC B via switch with running vlan 99 and firewall SRX running transparent mode. I have tested with EX 3200 switch and...
View Articlemac-move-limit action log on EX switches causes delay and packet loss
Hello, first of all, I cannot open a JTAC case to report this issue.I hope the following problem report still makes it to the support department, so this can be fixed. I noticed on EX3300 (12.3R12.4)...
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MC LAG ex4600 - Setup problems
Hi Im having issues setting up MC LAG on a pair of ex4600 with the recommended release code D40. I have the following topology: link xe-0/0/23 is used exclusively for the ICCP trafficand ae0 is the ICL...
View Articleex3300 performance during port mirroring
Hi, We are looking at the possibility to use port mirroring on EX3300 switches to analyze the traffic passing through the device. The current idea is to do this mirroring permanently as a way to do...
View ArticleEX4200 tunnel between two ports
Hello, is there a way to tunnel traffic between two ports on the same EX4200 switch, so that switch won't care about packet content, won't learn MAC addresses, etc? I'm used to do this between two...
View ArticleFile system full in Virtual-Chassis 4 EX2200
My customer create 1 VC group of 4 EX2200 When my customer want to config some object, he can not commit here is output error itcview@SWL2-141LD-STACK01# commit confirmed 2 configuration check succeeds...
View ArticleAnyone here have exprience 8 VC Member EX3300 high CPU due to GRES?
Hi all, May i know whether someone has exprience the CPU Utilization suddenly 100% due to GRES on EX3300 8 VC member. I'm already open case but JTAC still iventigate it. Already reboot master and...
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