Power supply failure - EX9204
Hello Team, I need help with confirming whether I have power supply failure. If so, I have to open an RMA with TAC.User@EX9204> show chassis power PEM 0: State: Online AC input: OK (1 feed expected,...
View ArticleERPS and service provider style Vlans
We are trying to setup ERPS for a ring of QFX5200 and QFX5110s. We have 4 to 7 switches in multiple rings. We need to setup the Vlans on the rings in service provider style to support Double Q tagging...
View Articlevlan ingress filtering
Hello guys!Here is the issue I faced with.Imagine, we have a ring topology as depicted. Ports ge-0/0/0 and ge-0/0/2 are uplink trunk ports, port ge-0/0/1 - downlink access port.Vlan-id 100 is the only...
View ArticleExtending L2-domain over L3 in QFX5100
Hi,Was not sure if this question should go in this category or in ip-routing, but this felt more accurate. I was wondering how to (or if it's even possible to) extend a L2-domain (vlan) over L3 like...
View ArticleEX4300 / EX2200 airplay with igmp-snooping
Hi! When we enable igmp-snooping, Apple's Airplay devices disappear from the network after a while. We can't disable snooping for this VLAN, since we have some multicast devices as well in the same...
View ArticleEX3400 vs EX4300
Hi, We are creating a new POP and I have the option of getting EX4300-24T'sor EX3400-24T's. From the looks of it seems that the 4300 would be the clear choice. It seems that the 3400 is a bit newer and...
View ArticleVirtual Chassis in Ex2300 and Ex3400
Dear all,I will buy juniper 2x Ex2300 or 2x Ex 3400.I want to use virtual chassis in those two switches(only two switch).when i read data sheet and tech book,it is not clear.So i would like to knowCan...
View ArticleVirtual chassis for Ex2300 or Ex3400
Dear all,I will buy juniper 2x Ex2300 or 2x Ex 3400.I want to use virtual chassis in those two switches(only two switch).when i read data sheet and tech book,it is not clear.So i would like to knowCan...
View ArticleMultiple vqfx boxes running on KVM have the same serial number
Hi Juniper gurus! I'm running 2x2 leaf-spine topology with vqfx images on KVM. At some point some RPC calls started to take way too much time and fail with timeouts, so I decided to reboot the VMs...
View ArticleConfigure PFC on QFX5100 for RoCEv1
Good day, i try to configure PFC on two stacked QFX5100-48s-6q for SDS solution based on Microsoft S2D.QFX Switches works on JunOS - 14.53, this firmware version supports only RoCE v1 ( MAC Based )I...
View ArticleCaptive portal with dynamic vlan assignment
Hi, I am trying to use captive portal on EX3400 to authenticate when the user is connecting to the switch and assign specifc vlan base on their identity. However, I found that it seems not possible to...
View ArticleLicense
Hi, For switchs 2300, 4200 and 4300, igmp snooping is included in the base software or I need for licenses ? Best regards
View Articledisabling port based on LLDP information
Hi, I would like to disable a certain port if LLDP reports that the end device's ethernet port is e.g eth2 the reason is that end device has two ethernet ports and it must be connected to eth1 but if...
View ArticleARP request ?
Our 407 Ruckus wireless APs are all in one vlan, 10.121.8.1/22I am trying to troubleshoot an issue where we are seeing a lot of broadcast packets on switch ports that these APs are connected to. I...
View ArticleEX 4300 with PRTG SMTP sensor
Looks like SMTP traffic stopped working with PRTG. Using Junos: 14.1X53-D40.8 on EX 4300 - any suggestions. Is there any way to download MIBs for SMTP traffic for 4300?
View ArticleQ-in-Q configuration on EX2300
Does anyone have a working qinq config they would mind sharing? I have followed direction on this link. I just need to pass tagged and untagged traffic for customer. I dont even need to setup lacp at...
View Articlefirewall rule to protect Ex switch from flood?
Hello Community,Can anyone guide me how to write a firewall rule to protect Ex switches fromICMP Flood DDoSSyn FloodACKFloodTCP Connection FloodUDP Flood DDoSIn case if ddos is above say X gig it auto...
View ArticleEX Switch simulation
Hello, I'm a newbie and self-study JNCIx-ENT. May I know if we have any effective simulation tool for Juniper switch products? I tried GNS3 but it apparently only good with routing. Thanks.
View ArticleShould we have multiple vlans for IP phones?
Our network consists of two EX4600s in a virtual chassis at the core with stacks of EX4200s at the edge. All routing is done at the core. Over the next 6 months we will be installing a new VOIP phone...
View ArticleIGMP Snooping
Experts, I am a bit of confused by this configuration on EX 4300: inactive: pim { rp { local { family inet { address 10.2.90.1; } } } interface irb.90; } lldp-med { interface all; } inactive:...
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