IOS upgrade EX4200
I work in in a cisco propriety shop. We got a demo Juniper EX4200 switch and I was tasked to upgrade the ios. Right now the switch has a very old IOS 10.3R1.9 the ios I downloaded is 12.3 i did a tftp...
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BGP L2VPN Question - Site-ID and Remote-Site-ID
Could anyone explains to me why there is only 1 VC up (which is VLAN 193)? and what is required to make both the VCs up and functional? instance-type l2vpn;interface ge-0/0/1.192;interface...
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EX3300 - out-of-band interface - not working
Hello,I have problem with configuring out-of-band interface. First of all I`ve never worked with any of Juniper producst before. Also I enherited this infrastructure after previous employees so it was...
View ArticleEX2200 loader> can't load '/kernel'
Hi,I have a switch that stucks in this status: can't load '/kernel'can't load '/kernel.old'Press Enter to stop auto bootsequencing and to enter loader prompt. So, I have tried the following...
View ArticleProcedure to add a new member to a Juniper stack.
Adding a new member to a Juniper stack. Upgrade/Downgrade the Junos SW Version to match the stack you’re adding to. Obtain the Serial Number of the new chassis being installed.CLI:...
View ArticleEVPN with VXLAN on qfx5100, now NSX hypervisors
Hi I have setup an IP fabric with EVPN control plane using VXLAN in the data plane. I have multiple DC's and so far this is working well. All of my end devices are bare metal or vlan based hypervisors...
View Articleqfx5100 VC multicast traffic BW allocation
Hi community, we have a VC built-up by x4 Juniper 5100. Mos of the traffic crossing this platform is video mcast traffic and we suspect of mcast traffic lost. Client servers are connected via 10G ports...
View ArticleEVPNoVXLAN on qfx5100 with vmware
I have an ip fabric running on qfx5100 using EVPN with vxlan. So far so good. I cant find any documentation regarding integrating this with vmware without NSX. Every example is based on NSX.Main...
View ArticleEX 4200 Line card "not present" state
Hi I am facing one issue in EX 4200 stack of 3 switches. One is master other is backup and lastone is line card. Presently Line card showing "not present" when issue show virtual-chassis command....
View ArticleFirewall filter to restrict traffic for one interface
Hello,I have an EX2200 (12.3R6.6), and I'm trying to create a firewall filter that will restrict inbound and outbound traffic for ge-0/0/5 to specific source/destination addresses. This is for an old...
View ArticleIPv6 and IPv4 DHCP relay advise
I am in the process of attempting migrate from a bootp helper to a DHCP forwarder as I am trying to get DHCP6 working on my network. I have the vlan interfaces configured, the router-advertising...
View ArticleQFX5100 14.1X53-D35 IGMP Leave group message management in the switch
Hi Community, we have a VC built up with 4x QFX5100 running 14.1X53-D35. Most of the traffic is Mcast video traffic entering from the upstream switches towards the cliente ndoes connected to this...
View ArticleCan't create voice port - config
Dear Experts, I am new to Juniper and switched from Cisco. Here is simple situation: i am in configuration mode and already have port ge-2/0/15 as ether switch and assigned to vlan 20 - I am trying...
View Articlestrange behavior EX4200 (unicast flood)
So, I have EX4200 connected to distribution level EX4550. EX4550 connected to router's (vrrp).At 4200 very simple design and config: 2 vlan. server at default vlan. access mode.all config like: >...
View ArticleQFX5100 architecture,hardware and flow process
Hi everyone, I need to understand the QFX5100 switch hardware architecture, as well as the flow of the specific processing process, Control panel and forwarding panel interaction process, VM Guest and...
View ArticleEVPN -irb- proxy-macip-advertisement --- DOCU missing
set interfaces irb unit 100 proxy-macip-advertisementI need to know what the "proxy-macip-advertisement" parameter is doing in EVPN, where to use and if this is the long awaited ARP-SUPPRESSION...
View ArticleRouter-on-a stick Cisco Router with Juniper Switch
I am having trouble getting IP connectivity between two Cisco ASR routers connected to a pair of Juniper EX4500-40f switches in a virtual-chassis setup. The Juniper switch is the new element here, as a...
View ArticleEX2200 lost management interface after ethernet loop
Hi all I had a loop on my network. Once I sorted that out, I discovered that three of my EX2200 switches were no longer reachable through the network. They are responsive to serial console connections....
View ArticleJuniper IP helper - confusion
Dear Experts, I have to addmit I am new to juniper and trying to figure it out how to set aditional IP helper to specific vlan. In Cisco I would have: interface Vlan20description second_floorip address...
View ArticleEX4200 virtual-router: packet drop while ARPing
Dear Experts! Setup is a EX4200 stack running 12.3R12.4 (old release for stability reason) with a routing-instance with instance-type virtual-router. Within this virtual router are two SVI: vlan.5 and...
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