PVLANs with Secondary VLAN Trunk Ports on ex4600
Hi I have a few stacks of ex3400 switches setup with PVLAN. On each stack the uplink port goes into a single ex4600 unit as aggregation. I wish my ex4600 to treat traffic from the ex3400 stacks as...
View ArticleHigh CPU Utilisation withDHCP/ LACP/DOT1x/NTP Not working
Ex3400 or Ex2300 ships with 15.1X53-D50.With this code LACP Dot1x ,DHCP and other timer related protcols wil not work.The Root cause seems to be system clock showing incorrect time 2038. Solution and...
View ArticleEX2300-24T uplink port
Dear ALL, We would like to purchase EX2300-24T as iSCSI SAN switch , our SAN model is HPE MSA 1040 10G iSCSI, Can we use the 4 x 10G uplink port connect to HPE MSA 1040 10G port(not mangement port)?...
View ArticlevQFX10k 15.1X53-D60 on ESXi Installation and Running with up to 10 Interfaces
Hi ! Ther are some info on installing the vQFX10k , this one was helpful for me vQFX 10k Testlab on ESX 6.0 / 6. (NOTE that the RE needs a lot of memory if you add interfaces, I use 6GB/RE) but on...
View ArticleConnecting Cisco4900M with VC 4300 EX no luck
Experts, I am trying to connect using active / passive link aggregation Juniper VC 4300 with Cisco 4900M using SFP module on Cisco - Cisco CVR-X2-SFP10G= X2 TO SFP+ADAPTOR MODULE with Juniper SFP+...
View Articlevxlan l3 gateway
trying to set vmx as a l3 vxlan gw, however irb's are not coming up. any advise what is missing? vmx-1> show interfaces terse | match irb irb up upirb.1100 up down inet 10.1.11.252/24...
View ArticleAirtame - SSDP Across VLANs
My company is deploying Airtame wireless HDMI/presentation devices. They are actually pretty nice. However, we want to get the discovery features working. This device uses SSDP for that, but we'll...
View Articleconnecting two routers to ine switch ex2200 4g
hello recently i did a project in 3 floors building 'i used 8 switch from juniper ex 22000 48 - 4g poe i used the default vlan ' and configure lag with lacp enableto all floors from master switch. i...
View ArticleEX3300 VCs unexpectedly generates new ssh hostkeys after reboot
Hello,we have a strange problem with our EX3300 series switches virtual chassis (VCs), running Junos 12.3R3.4. Most of them running over years without an issue, but since the last month we where faced...
View ArticleUpgrading to Junos 15.1 on EX4200 - some observations
We have recently upgraded a bunch of EX4200 switches to Junos 15.1R5.5. Everything is working fine but we’ve made a couple of observations. First, the root (/) partition is getting quite low on free...
View ArticleEX - Zero Touch using USB, how?
I know what is needed to make ZTP wotk with a FTP server, but I was told, we could also send a USB with the switch.This USB, would have the image, and the config on it, we plug into the switch, and...
View ArticleFinding incomplete ARP entries
Hi, "show arp" doesn't seem to list "incomplete" ARP entries - that is, actually saying that it couldn't find the MAC address for a given IP. This is contrary to the normal "arp" command in Linux and...
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vQFX10k 15.1X53-D60 BGP (EVPN and route target) BUG
Hi !As the vQFX is not officially supported here is no other way like j-TAC to inform about bugs Here is a nice bug I have found during my extensive testing of various DC-configurations : Description:...
View ArticleEX4600 working with EX-QSFP-40GE-DAC-50CM ?
Hello! Whether prompt the cableEX-QSFP-40GE-DAC-50CM - QSFP+ to QSFP+ 40 Gigabit Ethernet Direct Attach Copper (twinax copper cable) 50cm Passivewill work with the switch - EX4600-40F-AFO ? Because...
View ArticleDedicated Management Switch and EX4200 virtual-chassis
Hello All, I could really use some help. I'm attempting to correctly deploy a dedicated management network for our Juniper switches. To do this I've configured a single, stand-alone Juniper EX4200 as...
View ArticleEX4300 Virtual Chassis to POE 4300 not working
Can someone tell me why i cant get an ex 4300 non poe and poe switch to properly virtual chassis? I have another vc that works with two 4300's and the same cabling that i have with my new vc. They are...
View ArticleEX-2200-c restart interfaces every few seconds
Hi, My first post here.I'm italian and working with juniper devices. I got an issue with a EX2200-C.COM and MGMT interfaces works, but the 12 ethernet interfaces go down e restart every 10/15 seconds....
View ArticleStacking EX2300 Switches with 10 gb DAC
I haven't been able to find exactly what I'm looking for on this topic, probably because I'm not usually the right terminology. Can someone give me the process or a link for setting up an EX2300-48P...
View ArticleConfig Archival - change Filename
Hi all, is it possible somehow to change the archival filename from standard notation <switch-name>_YYYYMMDD_HHMMSS_juniper.conf.n.gz to lets say...
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