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Channel: Ethernet Switching topics
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EX9200 inter vlan routing inside a virtual switch

When I add a irb interface into a virtual-switch the L2 traffic seems to stop. Yet the irb interface is pingable. Is this even possible? How do I do L2 and L3 inside a virtual-switch?  Thanks for any help

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EX9200 newly configured interface will not forward traffic intermittently

Sometimes with out reason when configuring a port for the first time on a EX9200 the port will not forward traffic yet it will link up. Yet if I reload both supervisors the link will start to work as...

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Cisco to Juniper STP Configuration

The consulting company I work for does a fair number of projects where we remove older Cisco switches and replace them with Juniper switches.  I'm labbing with physical switches and am running into...

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EVENTD high cpu utilization 2300ex vc

Hello all.We are seeing this ONLY on 2300s *we have 3400 and 4300 actually doing more and not showing any stress*Ive disabled syslog and snmp on the switch . Im looking for a good doc that explains...

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fpc0 LUCHIP(5): Secondary PPE 0 zone 2 timeout

Hi we have a Juniper EX9208 with Junos version below:Model: ex9208Junos: 16.1R5.7 We have noticed that the message log is filled with the following lines:May  2 08:08:27  COSMOS fpc0 LUCHIP(1):...

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MSTP - Question about Interface and VLAN

Hi,short question: Under the mstp-configuration I need to specify the interface and also the vlan for which mstp will be active.So lets assume I have VLAN 15 and the VLAN is configuered at...

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Brand new out of box QFX-5110-32Q no interfaces

Hello, We just bought a bunch of QFX5110-48S and 32Q. The 48S will show all interfaces and channelized interfaces out of the box with a "show interface terse" However, the 32Q, after opening 3 boxes,...

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IP Helper Configurations

Hi Experts,I need to convert IP helper configuration from a Cisco core switch to a Juniper EX9200 switch. Can you please confirm if this configuration is correct?VLAN 10 mapped to irb.10 and VLAN 20...

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Ratelimit per unit or vlan on QFX5048 on a bundle ( agreggated) interface AE.

Hi,I´m having some issues to rate limit at least outbound traffic on ACX5048 tried policers, firewall filter with policers and nothing seems to rate limit the customer vlan unit. Any working solutions...

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cannot access j-web on EX4600

Hi Experts, we are having problem accessing our EX4600 via j-web. it gives us 'redirected you too many times' error message on the browser. we're accessing it using the IP of the managment vlan which...

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EX4600 Junos Upgrade ?

We have been using EX4500 and EX4200 switches for several years. To upgrade Junos on these switches we have been:Using WinSCP to copy the .tgz file into /var/tmpIssuing this commandrequest system...

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Junos Space security director monitor VPN only one tunnel is showing status...

I am havign an issue where I monitor 7 different VPN's underJunos space > Security director> Monitor> VPN When I look at the VPN overview only one of the tunnels is showing up it is a known...

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Voice VLAN DHCP Issues

Our company just recently signed with VOIP provider and they shipped us a couple Polycom phones to test with and Im unable to get DHCP working on my voice VLAN on my EX3400 switches. We will be using...

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EX4300 VC automatic software upgrade

Hello Experts,I have a two unit EX4300 VC. These switches are running the image 'Junos 14.1X53-D46'. Now I am planning to add new members to these VC. But those new members are running...

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Junos Space security director monitor VPN only one tunnel is showing status...

Moved to Management Forum

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filter based forwarding issue in QFX5100

 I NEED SOME HELP PLEASE! My Problem here is to create some of policy based routing in my QFX5100 that have many of vlans and i want to do match on VLANs Not in interfaceHere i want to match if traffic...

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Juniper EX9200 packet buffer size ?

Hello Team,  I am struggling with EX9200 packet buffer size capacity . Tried a lot on finding these specs but could not able to find the specs . Can anyone help me to provide the ex9200 packet buffer...

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Connecting EX4600 to an EX4300 via 40GbE DAC -- NO VCP

Hello!So I have searched and have not quite found a solution to my issue here since I DO NOT want an Virtual Chassis .. and there is no VLAN Issue:I have 2x EX4300's (v13.2) (Switch1 and Switch2)...

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LLDP_Multicast traffic doesn't flow throgh the EX2200

Hello In order to communicate Siemens TIA Portal and a S-1200 PLC, i have to connect both to the same swicht, but i can't do that.The S-1200 is generating LLDP traffic but it can't reach the PC whit...

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ex2200 fail to boot need your help please

one of my Ex2200 was having an alarm where  /var file  system is full  due to the large size of the WTMP file which is consists of login records i clean up the system after which i rebooted the switch...

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