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Communication on Different VLAN IDs on Cisco vs Juniper
Hi Guys,I have different VLANs on Juniper EX4200 and Cisco 6509 and they are connected via access port. All my ports are access( switch to switch and switch to servers).Servers in different VLANs are...
View ArticleEVPN / VXLAN ON 5110/5100 tunnels drop after adding vlans??
I have a simple leaf a spine topology set up 5110 spines (irb gws) and 5100 leafs (l2 vtep only). This works fine no issues until you try and change any config! has anyone seen any behaviour like this...
View ArticleBPDU block clarification
Can anyone explain the difference between these two commands, under what case I should use one or the other, and if there are best practice documents that you can refer me to. Thanks in advance. This...
View ArticleEX3300 failure mitigation
I am working at a site where EX3300 are failed in bulk numbers after each power shutdown activity.At the same site, no other devices face this issue specifically. For the info, we are using "request...
View ArticleSSH and telnet issue
Hello Junos we are using Ex9208 as core and Ex3400 as TOR's, the weird issue is I can't SSH from my laptop to the other TOR SW's SSH only works with the TOR that im connecting to or shh to the Core and...
View ArticleEX3300 Autoinstalling a Configuration file from USB
Hi all, I tried to autoinstall a configuration file from a USB Memory Stick onto an EX3300 (Junos 15.1R7.8) without success. I followed the following...
View Articleadd / Insert Vlan to QinQ interfaces
HelloRequest for support,Is it possible to add (injections) to the link on which QInQ (xe-0/2/2 unit 3000) comes out add a regular vlan that enters in a single link xe-0/2 / 0.650 My config: set...
View ArticlePhone in both VoiP and Data VLANs
I am using Juniper ex4200-48p running JUNOS Base OS boot [12.3R6.6]I have a dot1x environment, using Cisco ISEAll my ports are under dot1x control (via Cisco ISE) and are working as expectedHowever I...
View ArticleReplacing (RMA) or adding new switch to QFX5110/QFX5100 VCF don't work.
Hello I have issue adding new/RMA switch to VFC.Our setup is 2 QFX5110-32Q as spine and various QFX5100-48T/S-6Q as leafs. One of leafs was RMA and also need to add additional QFX5100-48T-6Q as...
View ArticleStack with different revision members - EX4200-48T
Hi, We have STACK with 4 x EX4200-48T switches with hardware REV 18.At the moment we are considering buying one more (refurbished), but it is REV 06. According to the output of the "show chassis...
View ArticleEX2300/EX3400/EX4300 - sFlow v5 or other version?
Hi, is sFlow implemented in EX2300/EX3400/EX4300 v5 or not? I can not find this info anywhere (it is written in datasheets for EX4600 for example and QFX5k switches)
View ArticleSuccessor to EX3300 - EX3400 Questions
I wanted to reach out and quickly pick the collective brain of the community. We plan on putting together a learning center on our school campus comprised of trailers while our permanent Middle School...
View ArticleQFX5120 interface designations
Hi All, Anyone happen to have one of these? Ours are still a couple of weeks away and planning the cabling job now, but have suddenly wondered what the 10/25g ports and 40/100g port designations would...
View ArticleCertain TCP ports to MAC address list
I have a server in its own VLAN running a software application that accepts connection requests, on specific TCP ports, from client computers in another VLAN. Is there a way to set up ACLs, on an...
View Articleload balance traffic on LAG interface
HiI enable LACP feature on vQFX.Could you please recommend me how to test to load balance traffic across LAG interface in group? Now It seems like traffic is sent by only one interface. Would I need to...
View Articleqfx5100 error log
HiI saw errors in the logs Nov 11 14:23:17 sw_QFX fpc0 Error in: SBUS transaction.Nov 11 14:23:17 sw_QFX fpc0 Blk: 1, Pipe: 1, Address: 0x2410105c, base: 0x4, stage: 9, index: 4188Nov 11 14:23:17...
View ArticleJuniper L3 Switch Raw Syslogs.
Hi Everyone,I am new in Networking. I am getting the below syslogs of Juniper L3 switch. I am not able to understand the meaning of this logs.2018-11-04T12:21:20.000000+05:30 HYD-Core eventd: Could not...
View ArticleSyslog to remote server over TCP
Hello,Is it possible to syslog from an EX switch to a remote syslog server over a TCP connection? I couldn't find the commands to setting up that. This is what my current config is:user@EX9200> show...
View ArticleBroadcast traffic issue
We have a pair of EX4600's in a virtual chassis. Each of our edge closets has a stack of EX4200s connected via fiber back to the 4600s. I use SFlowTrend software to monitor traffic across several links...
View ArticleVLAN swapping issue on EX4200-24F
Hey all, I was making a simple change to a VLAN the other day in my edge switch (Juniper EX4200-24F). So, I essentially made a change to a VLAN that was being trunked through my network for DIA...
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