Slow throughput-dropped connections- ex4300 core-ex3400 access switches
Hello all…I wanted to pick some brains and see if anyone can shed some light on a network issue I am having.Topology is: (see attached pdf)3 (double stacked) EX3400 access switches ---- connected to a...
View ArticleWhich use case / situation need this config in MC-LAG setup?
Hi all, Can someone explain to me in which use case/situation below knob "bold" need to use in MC-LAG setup? I try to google but not found any good explanation. irb {unit 300 {description "ICCP...
View ArticleQFX-5110 - Virtual Chassis | VCP Ports up, but replaced member not joining...
Hi, I've had to replace a member in a two member chassis. I followed this guide here, Remove a Member Switch, Replace It with a Different Switch, and Reapply the Old Configuration but the replacement...
View ArticleUnifi AP is unable to complete DHCP with EX2200 Switch Windows Server 2016 DHCP
I'm trying to get my Unifi AP on my network but I'm having a tough time getting DHCP to work with it. I have my DHCP server working on a different subnet. I have bootp helpers configured with...
View Articlewhat interface is this?
Hi Folks I am trying to track down this message. Sep 3 20:28:52 js0452-2 : %PFE-5: fpc0 32x1G/4x10G Fiber PIC link 23 SFP receive power high warning clearedSep 3 20:33:16 js0452-2 : %PFE-5: fpc0...
View ArticleEX4550 with l3 interface in a Private VLAN
Hello, I am trying to assess if it's possible to configure an l3.interface with a private vlan? My goal is to connect a VC of EX4550 to two routers r0 and r1 via respectively ae0 and ae1. I can get the...
View ArticleBPDU LoadBalancing with ae interface
Dear community, Does someone know how BPDU are sent and load balance over aggregate ethernet interface ? If I have an ae52 interface with 4 member (int1, int2, int3 and int4), where the STP BPDU will...
View Articleuplink Juniper EX2300-t to Zxyel XGS1910 using fibre ports
Hi All This may have been answer here already so apologies if it has, but i'm looking to see if it possible to connect my stack of 3 EX2300-T switches to my other Zxyel XGS1910 switch using a SPF+...
View ArticleMulticast Configuration for Crestron NVX Equipment
We are implementing an A/V over IP solution from Crestron with the NVX products. Crestron provided our A/V company with a sample single-switch Cisco configuration as well as a guide to network design....
View Articleinteresting lacp / ae issue
I have a juniper ex4300 configured with a bunch of vlans on an AE interface. connected to this I have a cisco 3750 switch.the link AE to PC is setup with LACP. On the production cisco the link never...
View ArticleUnable to Commit Configuration
Hello All, I've run into an issue trying to commit configuration changes to a VC of EX3400 switches. There's nothing exotic here. I've tried rebooting, changing code versions, restarting the mgd...
View Articleproblem with qfx3500 fan trays
Hello,i have 2x qfx 3500 in VC mode, one of them members fan trays are showing as failed, i have swaped it with a healthy fan trays but still its remain as failed,can any one help me?thanks,
View ArticleBlackhole MAC address on QFX switch
Hello!Is there a way to create static MAC address entry on the QFX switch to perform traffic blackholing?I.e. all traffic destined to this MAC address should be silently dropped.Thanks!P.S. I tried to...
View ArticleMigrating Multicast from Cisco to Juniper
I need to swap some aging Cisco 4948s with some replacement junipers but I cant seem to get multicast working on the Junipers by attempting to replicate the Cisco configuration. We have a Cisco DCM...
View ArticleMulticast configuration to prevent flooding in flat layer2 network?
We have a flat single subnet network that will be utilizing multicast for video. The network is a simple star topology with an EX4600 at the core with several EX2300 connected to the EX4600. I am...
View ArticleJuniper QFX License Issue
Hi, What license is require to configure EVPN and VXLAN features on QFX 5120-48Y switches. In License Guide document the two types of licenses are mentioned,1) S-QFX5K-C1-A2 mentioned under the Flex...
View Articlequestion about QFX routing
Hello,we are using Mikrotik CCr1072 and a hp dl380 g9 with 2x e5-2680v4 with VyOS and both are acting as routers, but when we have many flows or connections it causes that we faced high cpu usages, so...
View ArticleNumber of license needed on Virtual Chassis
How many enhanced license need when two Ex4300 configured as VC ?
View ArticleQFX5100 to Cisco UCS 40GB QFSP+ Wont Come Up?!?!?! HELP
I need the communities help desperately. I have a QFX5100 connected directly to a Cisco UCS Fabric Interconnect 6332 via 40gb QFSP+ cable. I have no link light, zilch, nadda but the QFX sees the gbic...
View Articleshow chassis routing-engine in VC only shows one RE (Backup one)
Hi, I have a 3-member VC of EX4300 running Junos 17.3R3-S4.2 as follows: Preprovisioned Virtual Chassis Virtual Chassis ID: 61a1.80b7.80fa Virtual Chassis Mode: Enabled Mstr Mixed Route Neighbor List...
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