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Disable InterVlan routing

I have three VLANs configured in my ex8208Vlan1, Vlan2, and Vlan3All VLANs are able to communicate with each other which is wrong.All VLANs are configured with l3.interface. My Requirements:1. Can I...

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QFX 5100 Transit Traffic processed by Loopback Filters

We are experiencing a very odd issue with our QFX5100 switching and the routing tables. Issue:Ubuntu Test Server (96.126.81.60) making any TCP or UDP connection to off-net services is unable to...

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DOT1x and Mac authentication for PC and Phone

Hey Guyshas anyone had this issue before. I have a switch EX4200 and a phone and PC connected to an access port. the PC uses dot1x authentication while the phone uses mac address to authenticate. Both...

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mac-move configuration, is it possible to exclude an interface ?

Hi all,I'm trying to setup mac-move limitation with below requirements.. When a mac-address flaps between 2 access interfaces (PC,Phone,etc) to shutdown one of the interfaces.. Exclude the interfaces...

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Aggregation not working for EX3400

Hi guys, I have an unusual issue. I am configuring link aggregation on my EX3400 for the first time. I am experiecing the following issue. Can someone please have a look and tell me what am I missing?...

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EX4300 DHCP not working for phone vlan

I have an EX4300 setup with the following dhcp relay configuration.  This switch is setup as a L3 switch. forwarding-options { storm-control-profiles default { all; } dhcp-relay { server-group {...

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Juniper EX-4200 " Your Session has expired. Click OK to redirect to login page."

Hi,I am having an issue with J-Web where the second I log in it expires my session immediately.nothing works!  tried to open permissions for var folder,tried to upgrade didn't work.tried to change the...

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knobs for proxy-arp

Hi folks, Can anyone help me understand "restricted" proxy-arp? Is it like the arp responses are made if the source and actual IP address are on unlike subnets? Is this understanding right? Thanks!

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Regarding telemetry logging

PoE devices were inducted to EX switch, there are some issues around establishing connectivity but unfortunately, I don't see any telemetry logs even though it is enabled. Is there anything else to...

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Juniper loopback interface & acl or firewall filter

Hi all, I realize whenever i configure a firewall filter on the local loopback interface that allows SSH, Telnet from certain sourceIP (e.g. sourceIP-A) only ,  i lose the ability to PING to the switch...

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EX4300 Mgmt Interface (me0)

Hello all, I'm currently in the process of upgrading my EX-4200's to EX-4300's, but I'm running into a problem I'm wondering anyone else has seen. The Mgmt Interface on my EX-4300 connects to a media...

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Multicasting to support VOIP paging

I have an Allworx VOIP PBX system located at our central site. It uses multicast to allow a phone to page a group of phones. This works correctly on the local network. We have multiple remote sites...

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Proper steps to downgrade a virtual-chassis

Hi all, I am doing some testing and require to downgrade my virtual chassis from 17.4 to 17.3.NSSU can't work for downgrade.Been googling around but i am not able to find the right steps to properly...

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DAC between a EX3400 and a EX2300 NOT WORKING

Hi, I just put a EX-SFP-10GE-DAC-5M between a EX3400 (15.1X53-D52) and a EX2300 (15.1X53-D58.3) and it's not working.The green LED under the SFP are continuously and do not flash.We should do a simple...

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Virtual chasis intergration with Window servers "switch independant"...

Hi all, I have a pair of qfx5100-48s-6q and virtual-chassis is setup.I have grace switchover , nonstop routing and nonstop bridging enabled.I have a window server with 2 nic ports connected to each...

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DAC between a EX3400 and a EX2300 NOT WORKING

Hi, I just put a EX-SFP-10GE-DAC-5M between a EX3400 (15.1X53-D52) and a EX2300 (15.1X53-D58.3) and it's not working.The green LED under the SFP are continuously and do not flash.We should do a simple...

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PVLAN config for EX3400 (ELS)

Hi, I have the following config for pvlan on EX3300. Please let me know how I can implement the same on EX3400 as it has ELS and there is some difference. Thanks  vlan100 { description "Primary VLAN";...

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old messages on QFX

Hi All,How to grap old all messages after rebooting the QFX VC?  ThxArix

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IPFIX export on QFX10002

Hello ;We have as our ASBR 3  qfx10002-36q running Junos: 17.3R3-S1.5 and I want to export flow IPFIX to a serverNote that, the traffic that we want to export flows comes from interfaces belongs to...

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EX 2300 native vlan

Experts, Migrated config from EX2200 to EX2300unit 0 {family ethernet-switching {interface-mode trunk;vlan {members [ 1-3 5 10 20-25 40 50 60 80 90-91 93 95-96 98 101-102 115 150 155 170 180 194...

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