AutoNegotiation issue for ports 0-11 in EX3200
Hi All, I am facing a strange issue where the ports 0-11 in EX3200 are not auto-negotiatiating with the interface on the other end whcih makes the interfaces DOWN, whereas with the same interface on...
View ArticleStack Throughput
Hi there, I know this is a very basic question, but just for reassurance I wanted to know how to calculate the stack throughput for a specific EX swith model.
View ArticleI need help
Hi All , I am seeing the logs as below...what does these logs indicates...its an one time errors ?can we ignore it??.... "fpc3 SGE(3/1): runaway MAC interrupt count (1000001)" Device is :m120 with the...
View ArticleSetting ex2200 as a DHCP not working
there are a lot of instrucions on how to set the EX to become a router : the basic 4 lines of codes:" set system services dhcp pool address < ip address /24>" set system services dhcp pool...
View ArticleEVPN with IP Fabric - VLAN IP Prefix question
Hi Am setting up an IP fabric with VXLAN/EVPN on the qfx5100 series. It states in network director that each leaf needs a subnet ( VLAN IP Prefix ) Specify the IP address block that will be reserved...
View ArticleMixedmode VC
Hello I'm new to virtual chassis and I do not understand some subjects in the mixedmode section .. - Which switchs models I can connect in mixed mode VC ?- Is there any minimum / maximum number of FPCs...
View ArticleBlade Chassis to End of Row Swithces Connectivity & High Availability Options
https://packet-expert.org/2016/10/14/blade-chassis-to-end-of-row-swithces-connectivity-high-availability-option/
View ArticleL3 switch block to access vlan gateway ssh and telnet.
hello everyone how to block unauthorize acess of ssh and telnet in juniper ex series .can we block some vlan getway to access ssh and telnet .
View ArticleIssues with firewall filter on Juniper EX4550
Hi. I want to limit incomming ssh conection to switch on public IP addresses. To do this I created a firewall family inet filter and aplled it on loopback interface (route engine). admin@4550-1# show...
View Articleirb .vs l3-interface
We have the following config working on EX2200, but now we have EX2300, which requires irb instead of l3-interface data.Can someone show me what lines to change to make the config work on an EX2300....
View ArticleQFX5200: issu yes or no?
Hi, I'm right now testing a couple of QFX5200 in the lab to put them into production later as a L2/L3 device. Regarding the datasheet, the device actually does support (T)ISSU for seamless upgrades:...
View ArticleQFX-5100 configuration disappears after few mintues of commit
Hi, I am trying to configure a QFX-5100 switch, however, few minutes after I commit the configuration, the switch deletes everything and goes back to factory default with no root password. I used...
View ArticleStacking EX 3300 and EX 2200
We have a virtual chassis of EX 3300 that we neeed to connect with the 3 EX 2200 and as per juniper the EX 2200 stack cannot be stacked with any other EX series switches. Is there any other way to...
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ex4300 VC - can I have two layer 3 interfaces on the same subnet
Hi. I've two circuits from the same VPLS network connected to two ports on a ex4300 VC, both interfaces are layer3 interfaces, but they need to be on the same subnet. ge-0/0/1set unit 0 family inet...
View ArticleSRX345 global trans mode to switch mode
Hello Juniper community! Im new here so let me say Hello!I am lack of information about configuration IRB interface on SRX345.I read in other topic on this forum that i need to change l2-learning...
View ArticlePort Mirror on EX2200
Hi. I have what I believe is a correct port mirror (analyzer) config on my EX2200, however I do not see any traffic on the analyzer output port. Can someone make a suggestion on what the issue may be....
View Articleae interface shutoff by storm control, how do i see which of its member...
Hi all I got an ae interface with about 8 member ports. For some reason storm control was triggered and the ae got shut down. I am looking at the logs and it only says when it was shutdown and only the...
View ArticleProblem with vlans merging one core to another core
So we have a COLO core in the 10.20.9.254/24, and we are moving the entire server farm attached to this core to our corporate MDF, which has a core of 10.11.9.254/24. I want to change the vlan IDs to...
View ArticleHi MC-LAG + VRF ?
Hi, Im curious is it possible to do MC-LAG with "Virtual router instance" beetwen 2 peering switch, i see an example doing mc-lag with vrrp to achieve active-active link, can i do it with virtual...
View Articlebest practice for switch lockdown?
I have some ex2200 switches running 12.3. What is recommended practice for securing the switch such that unauthorised switches, WAPs, routers will be locked out if connected? ie; only permit end user...
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