Huge latency between two ex switches
I have two EX VC's connected to each other with two point to point links. The primary link is showing a latency of 8000ms pinging across it and the carrier is saying the circuit looks clean. There are...
View ArticleEX unable to log in with SSH
This is a strange problem, that has happened to several of our EX switches.I am unable to log in with ssh, or telnet. Was able to log in several days ago.Noticed it was down in SPACE, so I tried to...
View ArticleUpgarde proccess for Ex switchs
Hi, I need to upgarde all my Ex switchs, i read all about: "Support for upgrades and downgrades that span more than three Junos OS releases at a time is not provided, except for releases that are...
View ArticleNew to Juniper, EX3400 VC stack setup help
Brand new to Juniper. Have a very basic setup. Cisco router, 4 ex3400 that I have setup as a VC. Just need help getting the VC to communicate out to the cisco router (192.168.1.1). Everything in...
View ArticleSetting up Isolated VLANs for Guest Wifi
Hello, Newer to JUNOS. Trying to set up an isolated VLAN for a guest WIFI network. the APs have 2 SSIDs installed and the guest network traffic should be going to a tagged VLAN, the other SSID is just...
View ArticleFusion
Hi everyone I want to use fusion in mx80The satellite device is ex43001.which version to use on mx?I tried 14.2r7 and there are some bugs16.1 no request support information issuePlease assistRegardsOren
View ArticleEX-4600 irb switching / routing / reflection / one-armed issue
I'm attempting to move inter-vlan routing on my ex-4600, but have run into the following (simplified) Switches -EX-4600 "core"which is connected with aggregated ethernet connections to bothEX-3400...
View ArticlevQFX MC-LAG not working!
tried a few versions, and I can't get the data-plane to work i.e arp-request gets to either of the MC-LAG pair but they never reply to the host, also the "show iccp detail" keeps bouncing from up to...
View ArticleEX200 VC high memory usage
Hi I just configured and started new EX2200 VC and I have a really high memory usage. Can you please help mefind out what's the problem > show chassis routing-engine Routing Engine status: Slot 0:...
View ArticleL2VPNs - Benefits of / differences between differen port encapsulations
Im aware that a customer using a L2VPN may send traffic over to a PE which is encapsulated as Null port, 802.1q port or Q-in-Q port type. I think Null encapsulation translates as raw mode / port based...
View ArticleQ-in-q svlan and normal vlan on same trunk, ex4600, els
Hi. I have been testing some q-in-q setups with two ex4600 running the ELS software. I have looked at a number of technical documents from Juniper on the subject, and I'm a bot confused. I can't find a...
View ArticleEX2300 48P port role
Can a port role of "layer-2 uplink" be applied to a LAG.? I have not tried it, cause it is in production with no role.
View ArticleEX4200 Stuck at Boot After Attempting to Load Image from USB
I'm trying to recover my EX4200 device using the steps outlined https://kb.juniper.net/InfoCenter/index?page=content&id=KB20643&actp=METADATA and reading some forum posts like the one here:...
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EX3400 - Recovery from failed SW upgrade fails
When trying to recover from a failed customer SW upgrade, an EX3400 switch gets a kernel panic.- The methods using USB and TFTP show the same result.- When trying to boot an snapshot created from...
View ArticleQFX3500 queue counters 8 "Dropped packets"
Hello all, I'm connecting 2 QSFP LR4 in both QFX3500 and QFX5200. Everything works fine except for when I do the "show interface extensive media" command, I keep seeing queue counter 8 got dropped...
View ArticleDSCP classifer on EX 4200/4300 Switches under layer 2 port
Hi everybody, I have a quick question: Can we use Default DSCP classifier on layer 2 interface to place traffic in queues on EX 4200/4300 Switches? Thanks and have a nice day!!
View ArticleNative VLAN ID
I'm trying to configure an access port on an EX3300 and I get this error: [edit interfaces ge-3/0/0 unit 0 family] 'ethernet-switching' Access interface ge-3/0/0.0 cannot have native-vlan-iderror:...
View ArticleCan EX-3300 send LLDP Proprietary TLVs?
We mostly send boot options to our Avaya VoIP phones via DHCP options. However, in a few specific cases, it would be easy to send specifc data to the phones based on the access switch they are...
View Articlevqfx physical interfaces not showing up
Hi, I am spinning up full-1vqfx using vagrant. I am not able to see any physical interfaces avaialble in the output of show interface terse. I have allocated 4 vcpu and 8Gb RAM to my ubuntu vm on...
View ArticleHuge latency between two ex switches
I have two EX VC's connected to each other with two point to point links. The primary link is showing a latency of 8000ms pinging across it and the carrier is saying the circuit looks clean. There are...
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