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ISP link failover on EX4200
Hi,In our setup SRX240 is forwarding internet traffic through ISP1 and SRX340 is forwarding internet traffic through ISP2. There are some static route configured on EX4200 to forward internet traffic...
View ArticleJuniper EX4500 joining Cisco Nexus 5K STP
Hello, I know this has been discussed many times, but I am having to connect two Juniper EX4500 VC with two Cisco Nexus 5K VPC together and I need to make sure that the Juniper EX4500's play nicely and...
View ArticleMC-LAG on Both QFX10002 and QFX5110
Hi experts. I want your help in configuring MC-LAG on both layers i.e for QFX5110 and QFX10002. Please put me wise will this design work without any issue? I am using virtual environment on server side...
View ArticleRedundancy with QinQ and xSTP?
Hi!I would like to add redundancy to a compute cluster network. Currently a two-port LACP trunk is accepting the traffic (VLANs) for the stack and adds the QinQ tag. This VLAN is then tagged to the...
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MCLAG and non balanced traffic load
HiI have couple of QFX-10Ks which connects two QFX5K in mclag.on the 5K's there are servers in 4 Vlans - two of them are active on QFX10K1 and two are active on QFX10K2 (VRRP).it seems that traffic...
View Articlevlan-tagging unit 0 vlan-id 0 - losing ping after sub-interface
Model: ex4200-24p, ex4200-24tJunos: 15.1R6.7 I have two switches back-to-back able to ping one another's directly-connected interface. I start with this working configuration on one of the switches:...
View ArticleVC non-provisioned to pre-provisioned while running
Hi all, we have a VC with 6 Members, currently non-provisioned.Customer has 3 more VC's, all pre-provisioned and asked if we could change the non-provisioned to pre-provisioned to have "one config" -...
View ArticleVirtual Chassis and Virtual Chassis Fabric
Can a VC be a leaf node for a VCF? Thanks!Yasmin.
View ArticleCreating a VTY ACL
Hi, I have an ACL for our VTY lines which we use on cisco and i am trying to create the same for Juniper EX4200 series. I am having a difficult time and i tried the Juniper IOS to EX conversion,...
View ArticleEX4200 + Cisco Catalyst 2960 + Cisco IP Phone CP7861 (SIP) can't obtain IP...
Hi, everybody! We have next scheme: Cisco IP Phone connected to the Cisco Catalyst 2960 by access port (with voice and data vlans).Cisco Catalyst 2960 connected to the Juniper EX4200 by trunk port...
View ArticleEX9204: MC-LAG
Hello Experts, I have a pair of EX9204s configured with a MC-LAG. It's all working fine. Now I need to add a new VLAN and associated irb interface to configuration in both the switches. I am planning...
View ArticleEX 4300 and Filter based routing question
Hi everyone, We want our EX 4300 to send all traffic sourced from 199.199.199.1/32 , received on f0/0 , to next hop 200.200.200.2 On EX 4300, is following possible? set firefall family inet filter...
View ArticleHow do I assign IP addresses to each of my VLANs?
Forgive me, I'm very new to JunOS. On ArubaOS I was able to assign IP addresses to VLANs like this:#vlan 100(vlan100)#ip address 172.16.4.3 netmask 255.255.255.0(vlan100)#exit#vlan 200(vlan 200)#ip...
View ArticleHow do i configure an ACL for SSH on Ex4200 Switch
I am trying to configure this ACL for juniper using SET commands but need assistance if anyone can help with the right set commands. access-list 97 permit 10.3.10.0/24;access-list 97 permit...
View ArticleEX 3400 Virtual Chassis DHCP relay stops working
Afternoon I have a pair of EX3400's, one PoE and one non-PoE connected together in a Virtual Chassis. The switches were installed around 18 months ago and for around 1 year they have been working...
View ArticleJuniper EX2200
Hi I have Juniper ex2200-48t-4g [12.3R12.4] and all my ports all physicaly down. If I connect any device to any port the link stays down. Here's the log n 20 08:12:40 chassism[1213]: Port apply config...
View ArticleAny way to disable IVR?
I have several VLANs set up on my switch and I want the routing to occur at the firewall so I can apply security policies between the VLANs. After some research this appears to not really be an easy...
View ArticleEX2300 VC on one end, unknown vendor/VRRP on the other
We're getting a set of two ethernet handoffs for a L2 datacenter interconnect from our telecom. They are using VRRP on their end, whereas on our end the two lines are going into two different EX2300...
View ArticleBridge two vlans
Is is possible to join two vlans using a juniper switch/router? vlan10 interface vlan20 interface bridged interface = vlan10 and vlan20 in the same segment I can't use the same vlan because my fiber...
View ArticleQSFPP-4X10GE-LR @ 40Gb?
Can a QSFPP-4X10GE-LR optic operate as a single 40Gb interface? Or does it work only as 4x10Gb channelized?
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