QFX igmp-snooping not working
Hi, I have some issue over igmp-snooping with a QFX5100. Setup is simple (keep in mind, I did try to make it work only with the switch) I receive multicast stream over interface xe-0/0/1.0 wich is...
View ArticleEX3300 LAG (LACP) strange behavior
Hello guys.I have a 2 x XE port LACP going from an EX300 virtual chassis (lets call it EX-VC) to en EX3300 standalone (lets call it EX).I have configured the EX-VC as such:# show interfaces xe-0/1/1...
View ArticleEX4550 triangle connectivity - RSTP issues
I have 3x Juniper EX4550s connected together. Switch_A connects to Switch_B and Switch_C via 2x links per side....1x GigE, 1x10Gig. The 'qualified-next-hop' is being used in static routing to ensure...
View ArticleEX4300 Series PoE 802.3af Mode A/Endspan and Mode B/Midspan?
Hi, can anybody tell me, if the EX4300 is also 802.af mode B capable or not? And if not is there any other capable switch? Thanks in Advance!Florian
View ArticleCan Juniper generate traffic out of an interface?
Hello, I'm trying to get away from the use of traffic generators like Ixia or Spirent for the sake of removing dependecies. Scenario:SUT Port A ----> Port A MX480 Port B MX480 ----> Port B...
View ArticleEX3300 Bandwith Limitations
Hi All, I am not really new to juniper but not an expert also.. Anyway i am running into something for a customer of ours..A customer of ours needs to have a bandwith limit on all of their ports.I've...
View ArticleWhere did these packets go?
I'm trying to figure out why these packets were dropped, 'rejects' should be rejected because of SA or DA, but neither SA or DA reject counts are incrementing. This is in a MX480 with...
View ArticleEX2200 can't join in boot -s (single mode) auto rebooting
Hello there, im looking for some ideas about what is happen with my two junipers switches, I don't remember the password so Im trying to follow the root password recovery procedure but after put boot...
View ArticleQFX5100 and DHCP snooping
Hi! I have:QFX5100-48S-6QJunos: 17.4R1.16 I want to configure DHCP snooping for protect my network from other DHCP servers...I use this guide:...
View Articleex2200 default gateway
Hello colleagues,I have one simple question, but I not know how do it.So, i have switch EX2200 as access switch in network, by cisco have command ip default-gateway. Do have juniper analouges command...
View ArticleSRX Switching vs. Cisco
Currently I have SRX 240 firewall and Cisco 24 port swich set up. I do use ether channel for my vmware servers. I would like to consolidate it all into new SRX 650 with 2 x 24 port modules. Pleanty of...
View ArticleMX and AE loadbalacing
So after doing a lab test between a Ex and QFX using a traffic genarator we noted that traffic flow went over one member interface and returned over the other. We did the same test but the result looks...
View ArticleCisco to Juniper switch p2p connectivity with failover
Hi, We have Cisco 6506 router at H.O. and Juniper Ex switches (4300, 4200) at branch location. We are planning to connect both office with 2 point to point link. If one link goes down second link will...
View ArticleEX4200 high rpd process allocation with rsvp and mpls
Hello readers,When rsvp and mpls are added to port configuration rpd process allocate much more memory then expexted and in time it would use all remaining memory and freeze the box. Without rsvp and...
View ArticleEX3300 IP SLA
Hi guys, I need help with a certian configuration setup I'm having trouble with. Here is my physical setup: I have 3 switches - Switch-A, Switch-B and Switch-C.Switch-A is the user switch and...
View ArticleJunos 12.3R12-S7 for EX2200 breakes VC LACP MC-LAG
We have ex2200-48p-4g 4-member VC. show virtual-chassis Preprovisioned Virtual Chassis Virtual Chassis ID: 53c4.a597.02bb Virtual Chassis Mode: Enabled Mstr Mixed Route Neighbor List Member ID Status...
View ArticleJuniper QFX5110 and Catalyst 3560 problem
Hi guys, So I faced a really weird problem. I have a QFX5110 switches bundled into Virtual Chassis. And I have a standalone Cisco Catalyst 3560 switch. I'm trying to setup a simple trunk between them...
View ArticleCannot delete an interface, why?
I have an EX4500 with an interface with nothing plugged into it. I go into J-web, delete out this section, and click commit xe-0/0/1 { description "vSphere15 Management"; mtu 9216; unit 0 {...
View Articlevirtual switch with preprovisioned conf: promote line cards to routing engine...
Hello community,I have a VC with x2 4200 (member 0 & 1) and x2 4550 (member 2 & 3).In preparation for upgrading the x2 4200 to 4550, I want to promote member 2 and 3 to routing-engine and...
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