Re: Juniper EX 3300 how to block Multicast / mDNS on the LAN.
found it: set vlans [vlan name] filter input block_mDNS and here is my config:[edit firewall family ethernet-switching]# showfilter classify-voip { term classify-all { then { accept; forwarding-class...
View Articleinterfaces don not come up
Hello all I do not have much experience working with juniper and I'm having issues with one ex 4300, it is suposse that ex4300 will replace a cisco switch that is on production now, but when I tried to...
View ArticleRe: Juniper EX 3300 how to block Multicast / mDNS on the LAN.
Yes it will affect Bonjour service. What is the problem you are trying to solve? If it is to block it only on the specific vlans, then no problems on the other vlans where it is needed.
View ArticleRe: interfaces don not come up
If you are talking about simply getting link up on a physical port, typically you would set the port to the expectation of the client as you seem to have done. Patience is also a key in explict port...
View ArticleRe: Juniper EX 3300 how to block Multicast / mDNS on the LAN.
I would would like to clean traffic on Chromebooks vlan, leaving all other vlans where AppleTV is accessible. Multicast is not good for chromebooks untill updates are done P2P - then this protocol is...
View ArticleRe: interfaces don not come up
Hi Folks,Please find some REAL GOOD pointers on this, Resolution Guide - EX - Verify/Troubleshoot Physical Interface...
View ArticleWhy am I losing link on an ae interface across EX2200 switches in virtual...
Hi all, Trying to set up an aggregated interface using port 22 on each switch in a 2-switch VChassis. Before I tried setting up the ae interface, both links were up, and the interfaces were in regular...
View ArticleRe: Why am I losing link on an ae interface across EX2200 switches in virtual...
Hi. You need to define the number of aggregated Ethernet interfaces to be created on the Juniper switch as well (not sure if you have it done): user@EX2200# set chassis aggregated-devices ethernet...
View ArticleQinQ and Trunk
Hi,On my EX3400 I have one uplink port to my other switch that transmit S-Vlan, how can I transmit more vlans on the port ? config:### access port (C-Vlan)set interfaces ge-0/0/10...
View ArticleIs it just me or is support getting useless ?
Second time in a year I've gotten the run around when trying to get a dead power supply replaced. Beyond ridiculous, actually bordering on offensive - saying suppose it was stolen? OK. Sure, I'm...
View ArticleQFX to EX lacp not working
I am trying to connect several EX3300's to a QFX Virtual chassis. 2 links each 1 goes to one member of Virtual chassis then the other to the other member.Connection works fine. But when I pull 1...
View ArticleRe: Is it just me or is support getting useless ?
For which product(s) is this for? EX I assume, and potentially EX4500 specficially? Did the power supply SN match that of one in Juniper system, or better yet did the switch SN that had the defective...
View ArticleRe: Why am I losing link on an ae interface across EX2200 switches in virtual...
Thanks for the helpful reply, Luděk! I had created the 'ae' interfaces (ae0 - 7) beforehand, so that wasn't it. However, I went to set the ae0 interface to 100m as you suggested, and Junos carped at me...
View ArticleRe: QFX to EX lacp not working
Hi Folks,Minimum link has nothing to do as such… Can you keep one end as active and the other end as passive and check the behavior? [i.e] step 1: qfx end active and ex end passive step 2: ex end...
View ArticleRe: Is it just me or is support getting useless ?
Hi Folks, My 2 cents on this… I would suggest to open a JTAC Service Request and involve customer care agent to get this fixed. This can be fixed; I suppose some mismatch in serial number mapping to...
View ArticleRe: Why am I losing link on an ae interface across EX2200 switches in virtual...
Hi Folks,Just 2 cents on this behavior… When configuring LAGs, consider the following guidelines: The LAG must be configured on both sides of the link.The interfaces on either side of the link must be...
View ArticleRe: remove default-switch@ juniper EX2300 snmp trap
Hi Folks,Just my 2 cents on this... Junos OS SNMP FAQs https://www.juniper.net/documentation/en_US/junos/topics/reference/general/snmp-junos-faq.html#snmp-traps-informs-faq%20-
View ArticleRe: QFX to EX lacp not working
I seem to have the type of luck that I encounter odd uncommon issues. I'm sure there is a logical explanation for the things I encounter but sometimes you just have to shrug it off and move on.... One...
View ArticleRe: Jumbo Frames
Hi Folks,Just my 2 cents on this.. Setting Jumbo Frames on the EX-series Ethernet switcheshttps://kb.juniper.net/InfoCenter/index?page=content&id=KB11309 Understanding Jumbo Frames Support for...
View ArticleRe: EX4300 switches not joining Virtual Chassis
Hi Folks,This is documented crystal clear in the below Techpubs URL in a step by step manner … https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/virtual-chassis-ex4200-cli.html
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