Latency is abnormal on EX3400
I have 2 EX3400 switches that connected each other with a copper cable directly .When I did a ping test each other via Lay2 or Lay3 interface . The latency average was around 18ms.Also I connected a...
View ArticleVLAN Swap on Access Switch port - Best way to test it is working?
Hi Everyone, If I set up VLAN Translation (swap) on a Access Switch EX4200 port, how would it be the best way to test that it is working correctly, i.e swapping the VLAN? I would be using the...
View ArticleFormat Installing a QFX fabric
Hi everyone I have a downtime window to perform a format install on the entire fabric. Am I correct in thinking that I can disconnect and do each individual switch separately and then lastly upgrade...
View ArticleUnable to commit COS config on EX4600 with Junos 14.1
Hi Experts, The below configuration is working fine on EX4600 switch with Junos 18.1.set class-of-service classifiers dscp "DSCP Classifier" forwarding-class assured-forwarding loss-priority low...
View ArticleConfigure acx5448 function as switch?
Hi all, May i know whether someone here can share how to configure ACX5448 as function layer 2 switch. I means trunk and access port configuration. As i'm check the acx5448 dont have know...
View ArticleSflow Issue
Hello Guys,I have fastnetmon and Juniper EX4200 series and my switches send sflow to fastnetmon but i think calculation is wrong in fastnetmon,maybe i have missed a setting or set wrong values,these...
View ArticleEX3400 link mode half duplex
Hi,We have EX3400 with JUNOS 18.2R3-S1.7 vesion virtual chassis configuation.on port ge-1/0/12 i saw that port link mode is half duplex. i tried to hard core full duplex and commit the config but still...
View ArticleCoS on QFX irb
I have qfx 5120 with junos version 18.4R2-S3Hi, i have topology like on picture in attachment and config:set interfaces xe-0/0/0 unit 0 family inet filter input QOS-FILTER-ACCESS set interfaces...
View ArticleUnable to connect using remote desktop to endpoints on Dot1x ports
Hi Experts,Using EX2200 with OS version 15.1r and integrating with Cisco Identity Service Engine (ISE).I am able to integrate the switch with ISE without any issues and dot1x authentications are...
View ArticleVQFX and Cisco VIOS LACP PORT CHANNEL WITH TWO LINKS?
Hi how is possible to connect Juniper VQFX with Cisco VIOS in port channel with LACP?Here is my onfiguration but it doesn't work... Juniper VQFX side configuration:root@vqfx-re# run show configuration...
View ArticleXSTP : Interface ge-0/0/44 is not enabled for Ethernet Switching
Hi,We have Model: ex4300-48p Junos: 18.1R3-S6.1While i am changing interface range i am getting below error. please suggest, how to fix SWITCH# run show configuration |display set |match...
View ArticleEX3300: Connect dumb switch to Mgmt port
Hi!Looking for some pointers, I'm trying to connect a small dumb switch to the OOB mgmt port of the ex3300.I have the switch configured with a static ip for mgmt, when I connect a client to the dumb...
View ArticleAudio Video Bridging (AVB) support on EX4300-48MP
Hi can anyone confirm if EX4300-48MP switch supports AVB.
View ArticleDHCP server unable to lease IP
Hi,We have EX4200 junos [12.3R3.4]We are able to see end device mac in show ethernet switcing-table but did't get ip details in DHCP binding and show arpPlease suggest how to fix it. SwitchEX4200# run...
View ArticleAccess port on ACX5448 ?
Hi all, Previously i have open thread regarding ACX5448 and the issue already solved on trunk port configuration. But now the issue on access port. I'm try to configure access port on ACX5448 but not...
View Articlecan`t add my juniper EX3300 switch to librenms through snmp
Hi alli know its just snmp configuration but for some reason it is not working for me ,so maybe you can help me i have a bit complicated setup : i setup librenms on EC2 on aws cloud ,and i`m trying to...
View Article25GbE on QFX5200: FEC does not work properly
On a QFX5200 we have channelized a 100GbE QSFP+ with Breakout cable into 4x 25GbE. Config is as following:set interfaces et-0/0/18:0 native-vlan-id 100set interfaces et-0/0/18:0 mtu 9192set interfaces...
View ArticleHow to exclude DHCPv6 from dhcp-security and DAI?
Hello!Tell me please,How to exclude processing DHCPv6 requests from PC from the service dhcp-security and DAI on the EX 2300? Or how to put a pre-filter on the EX 2300 in the DHCPv6 packets from the...
View ArticleSet interface speed on QFX5100-48T VCF
Hello,we have VCF with QFX5100-48T as leaf. Currently running 18.2R3-S2.9 flex."Leaf is RJ45 10G switch. After reboot of server link stays down and autonefogiation is reported as "Incomplete". Strange...
View ArticleNon-Juniper 100GBASE -BXSR Equivalent?
I'm trying to find out what the non-Juniper nomenclature is for 100GBASE-BXSR, which is 100Gb over MM LC--does anyone know? Is this 100GBASE-SR2? Or 100GBASE-SRBD? As far as I can tell BXSR is...
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