Spanning -tree
Hi Team, I have a core switch 4600 and a EX 2200 Connected to it as trunk, I am running vstp and core is set to bridge pririty of 4k, the ex switch prioruty was set to 16 K, but Still I see EX 2200...
View ArticleLooking to hire!
I am the CTO for Independent Technology Group (ITG) a Los Angeles, California based Juniper Networks Elite reseller partner. We are expanding and looking to hire a mid to senior level engineer with...
View ArticleThere are some error messages on EX-3200 Switch
Dear, There are some error messages on EX-3200 Switch like below log messages,And other EX-3200 switches have same error messages. Do you know what this error messages mean by ? This error is critical...
View Articleaggregated ethernet (AE) interface BUG in EX 4550 ( et alias) JUNOS 15.1R2.9...
Hi !There is a new bug in the above mentioned version which took us 2-3 hours to find: Preface: since recent when you define "set chassis aggegated-interfaces Ethernet device-count 23"you are not...
View Articlebtu air conditioner
Hello What is the BTU air contioner requirement for the EX switches series? Thank you,Nils.
View ArticleQuestion about EX3300 and VC
Hi, I am looking to interconnect 3 EX3300 switches in Virtual-Chassis setup. One of the switches will be configured as master with prioroty 255 and the other 2 will be LCC with priority 0. My question...
View ArticleDHCP snooping doesn't update lease timer during a lease renewal
Hi,there is an issue I observe on a Juniper virtual-chassis made of a pair of EX 4550 switches running by Junos 12.3R11.2. The environment looks like this:Windows dhcp-client connected to the...
View ArticleHow to connect two switches
Hi folks,Is there away I can connect two juniper switches togather with two links between them. Two link I mean primary route and protection route. What kind of config will I put on the switchs to...
View ArticleEx4300 Virtual Chassis member issue
Hi everyone! It's my first time configuring Juniper devices and I would like to ask some help if you may. Scenario: We have SRX240 HA Cluster connected 2 EX4300 in virtual chassis. I attached the...
View ArticleJuniper Error // USB: EHCI host controller not found Error, couldn't init...
U-Boot 1.1.6 (Mar 28 2011 - 04:05:40)Board: EX4200-24T 4.17EPLD: Version 10.0 (0x80)DRAM: Initializing (1024 MB)FLASH: 8 MBFirmware Version: --- 01.00.00 ---USB: EHCI host controller not foundError,...
View ArticleEX2200-C POE+
Hi, Just need some clarity on the ex2200-C POE switch.Currently i have a few access points (4) connected to it. There is also a outdoor access point that need to be powered but it requires more power...
View ArticleVxlan and QinQ
Hello, Is it possible to use VxLAN to "transport" QinQ ? Or vlan in vxlan ? Thks
View ArticleSet a trunk port with access VLAN issue
We are facing the following issue: With an ex2200 device we set a port as a trunk one with a tagged VLANThe we add an untagged VLAN and we set in the native VLAN value the untagged one If we connect...
View ArticleEX4200 - Clear arp
We had a very strange issue today with the arp, in this EX4200. One of our servers was very unresponsive, even though the IP and mac showed up in the arp table,We had drops on pings. Once I cleared the...
View ArticleWarning: configuration block ignored: unsupported platform (ex4200-48px)
What is causing this in the configuration of my EX4200 layer 2 switch? It is connected to a stack of EX4500 switch which act as the core of my network and provide layer 2 and 3 protocols {...
View ArticleLAG question
I have EX2200 with a LAG setup as ae0want to connect it to a 4200 with LAG setup as ae1. Does it matter what the ae number matches.?
View ArticleBlocking/Filtering BPDUs
Using an ex4300 and ELS style config, I have configured interface ranges, say access-vlan4, and I have configured RSTP on that range: rstp { interface access-vlan4 { edge; } bpdu-block-on-edge;} also...
View Articleex3300 and Voip
Hello experts,I am at a site and the core routers are passing all vlan to ex3300 switch, with avaya phones being used.Data and voip had been configured on the ex3300 port, but I can only see the data...
View ArticleClik here to view.
EX-2200 Virtual Chassis - 3rd member not showing up
I am not able to see the 3rd member in the JWEB.When I ssh to the VC, I can see the ports I created.When I use the JWEB, I do not see the ge-2/0/0-47 ports. When I issue a halt, it only see's two...
View ArticleLAG/LACP facing a misconfigured switched... loop ?
Hi, We run a private datacenter with EX4500 VC at the core and EX4200 VC at the edges. On the EX4200 stacks, we've got hundreds of vmware/Dell servers with multiple 1G attachments.We don't use LACP on...
View Article