Port mirror of AE interfaces to a single port
Is it possible to mirror an AE interface that has child interfaces on different VC members to a single port on the following VCs:EX4300 with two members: AE has 2 child interfaces (ge) - one on each...
View ArticleQFX3500-48s4q-acrb stuck in virtual chassis/linecard config
I would like to reset some QFX3500's that my company just got in back to fresh out of box factory config, however they seem to be stuck in a Virtual-chassis setup. I have even tried doing a fresh clean...
View ArticleVirtual Chassis technology in EX 4200
Hi everybody, I hope you are doing fine, have a few questions: 1) Let say we have Virtual chasis with Sw1,SW2,SW3 with following roles:SW1 is masterSW2 is back up RESw3 is line card Can Sw1 and SW2...
View ArticleEX4300 most simple DHCP relay config?
Hi all,We have couple EX4300 switches in VC configuration with ELS software version 14.1X53-D35.3.They are used as a distribution switches and I'm trying to simplify current DHCP relay...
View Article/var partition usage on backup routing engine
Hello, I have virtual chassis with two members: Member ID Status Serial No Model prio Role Mode Mode ID Interface 0 (FPC 0) Prsnt xxxx ex4200-48t 129 Master* N VC 1 vcp-0 1 vcp-1 1 (FPC 1) Prsnt xxxx...
View ArticleQinq issue on mx104
HiI have customer that connected to switchThe switch qinq the customer vlan and send it to another switch that does also qinq and send it to the mxThe mx gets 3 vlans and needs to pop the 2 qinq vlans...
View ArticleDynamic installation Scenario for Virtual chasis mode
Hi everybody Let say we have three EX 4200 switches: SW1, SW2,SW3, we want to use " Dynamic Installation method" to configure them in a chasis mode.We cable VCP ports in daaisy chained ring toplogy....
View ArticleMaster RE , Back UP RE and Synchronization in Virtual chasis mode
Hi everybody, 1)Let say we have two EX4200 switches as master RE and back up RE in a virtual chasis mode, we make some configuration changes on master and simly commit it ( we do not use commit...
View ArticleConfiguring Uplink Port as VCP port for Virtual chasis and member ID
Hi everybody. Let say we have two switches SW1,SW2 which do not have dediacted VCP port, we therefore decided to use UPLINK port as VPC port. Both switches have factory default config. Before we can...
View ArticleDoes QFX5100 support VC by default?
Hi All, As i'm undertstand QFX5100 need additional license if we want make VCF. But may i know how about normal VC. Is it QFX support it without license? Thanks and appreciate anyone feedback
View ArticleProblems with QFX10008
A while ago we discovered that qfx10k is dropping transit frames with triple vlan tags. After long investigation with JTAC, A-JTAC, DEV Team, etc... they confirmed the problem but they are refusing...
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Redundant Trunk Group on EX and J series and LACP with Cisco router
Hi,We are going to improve our current network by adding additional switch, router and firewall in order to eliminate single point of failure. Below is the network topology (also as attached), but I am...
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Tail-dropped packets on 30Gb AE while only ~8Gbps at max
Hi all, I see lots of output drops on a 30g AE (consisting of three 10g interfaces). It's a 2 member EX4550 VC:Model: ex4550-32fJunos: 15.1R5.5 AE detail stats: Output errors: Carrier transitions:...
View ArticleSetting up a new Virtual Chassis on EX3300
Hi, I am looking into turning an EX3300 switch into a Virtual Chassis with 2 additional switches, making it 3 switches all together. I've found many articles online explaining how to do this however I...
View ArticleEX9208 R14 migration from VCP to VRRP and upgrade to R16
So in the PR for R16 it shows that juniper stops support on VC. I am needing to move from R14.X to R16.X so that I can finally have LRm optical support for my client that has a surplus of LRMs. We...
View Articlevme.0 up/down on new QFX5100 VC pair
I'm installing a new set of QFX5100s and am having difficulty with the vme management interface. I have two QFX5100s in a VC pair, and have C0 (em0) on each QFX5100 connected to our management network....
View ArticleHow many IRB interface suppoed on EX switch?
Hi ,Does there have any document description for how many IRB interface supported on EX switch ?Like:Cisco Nexus 3K suppoed 1450 SVI Extreme X670 suppoed 2000 SVI Thanks for your answer .
View ArticleEX4200 MACs relearned from other UP ports
Hello, I have a little issue related to the MAC learning by a standalone switch. My setup is very simple - two end stations connected to one switch, MAC dynamically learned without any issues, pings...
View ArticleWeird behaviour ex4600 and 10Gig sfp+ ports
Hi!I have expirienced with a weird behaviour our EX4600 switch. I add sfp+ module at port and see that this port becomes up without any cables. What is a reason?All leds on port are green sfp - 10GBASE...
View ArticleEX4200 in Virtual Chassis lost
Our Configuration had 3 EX 4200 48P switches in stack during a recent power failure the entire stack was rest and all the configuation was lost. We were able to restore the master with the backup...
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