qfx3500 false fan report
Hello,we have 2x qfx3500 in VC and since last week it shows chassis #1 fan tray 2 (management fan) is Failed then today we replaced it with a healthy management module but it still showing it as...
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why does my qfx3500 fan fail every 1-2month ?
Hello,I have a 2x QFX3500 in virtual chassis mode and every 1-2 month one of my Fan trays showed as failed and everything is ok , Fan trays are spining at normal speed they have 1unit free space from...
View ArticleSymetrical port mirroring
Say I wanted to tap my inet port for a firewall poc... will analyzer work for this, or do I need to use firewall filters?
View ArticleJunos CoS Classification
I am reviewing the JNCIE-ENT self study bundle and am confused by some CoS configuration. The examples given guide the user through creating both dscp and ieee802.1p classifiers. Then they are...
View ArticleStacking EX4650 with EX4600-40F?
Hello, I was wondering if there is a way to stack an EX4650 in a mixed virtual chassis with a EX4600-40F. I was reading this document where EX4650 is group with QFX. Thank you....
View ArticleQFX3500 Performance Question
Hello,i want to use 2x QFX3500 as virtual chassis as my core switching and i have following featurs :10-15gbps bps6m pps8-9 BGP Peers with no full tables,10k Routes in worst case40-50k mac address in...
View ArticleRSTP and BPDU Block-On-Edge
Hello colleagues, According to my understanding and reading about configuring rstp on Juniper interfaces: if bpdu-block-on-edge is configured:- When BPDU is received the port will be blocked.-It should...
View Articleinit: %AUTH-1: getty repeating too quickly on port /dev/ttyu1, sleeping 30 secs
It would seem the config file needs to be corrected in the build. So this will need reapplied after a reboot.Ive seen this on 20.1R1-S3.3 and 20.2R1-S2.1Here is my quick fix. run start shell user...
View ArticleQFX - ip helper - Requires explanation
Hi everybody, I do understand why a lot of people would prefer working on Cisco. I need my client to boot from my PXE server on another subnet and I spent my day searching how to do it ... With a...
View ArticleQFX5100 GigabitEthernet (SFP-T) LED Status and Chassis hardware absent.
Hello. On qfx5100-48s switch LED status and Chassis hardware status absent after upgrade JunOS starting from version 19. For example, with version 18.1R3-S6.1 - LED Status is blinking and "show chassis...
View ArticleQuestion on storm control
Hi everyone. https://www.juniper.net/documentation/en_US/junos/topics/concept/rate-limiting-storm-control-understanding.htmlAccording to the documentation above:"A traffic storm is generated when...
View ArticleDrops on Output Errors - EX3400
Hi all, I have a server connected to an EX3400. The server is at 1g/Full-duplex (autonegotiation). However, I am seeing the following errors Input errors: Errors: 0, Drops: 0, Framing errors: 0, Runts:...
View ArticleTraps on a EX-2300 switch - BPDU - how to send a trap on enable
We are working on getting notifications for ports that go into a BPDU state when a loop happens. And once again the newer EX-2300 switches are causing issues. (I really hate how inconsistent these...
View ArticleVerify private isolated vlan on EX3400.
Looking for command/verification parity between EX3300 & EX3400 when displaying the forwarding table to determine if a host has been added to the isolated pvlan. EX3300:EX3300> show...
View ArticleSNMP version from V2 to V3
We are planning to upgrade SNMP version on Juniper switches from Version 2 to Version 3.Can you please suggest some standard config on juniper mx switch ?Details :SNMP ver 3SNMP User 1:- Username :...
View ArticleEX 4200 in virtual Chassis keeps rebooting
I have a EX 4200 in a Virtual Chassis that keeps rebooting itself every 15 -30 minutes with Last reboot reason 0x2:watchdog tried restarting both the nodes so as to reset the routing engine demon but...
View ArticleEX4200 VC won't commit after a member core dump
I've got a 3 member virtual-chassis EX4200 that won't commit its config. This morning, member0 rebooted and dumped core immediately after a commit was performed. Console showed a lot of this,...
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Network loop detection options with EVPN/VXLAN
Hello, We are currently in the progress of deploying a EVPN/VXLAN (Spine-Leaf) architecture in our datacenters. This used to be a flat layer 2 network with seperation of networks by using VLANs. One...
View Articlepacket buffer for EX3300 / EX4300/ NFX-250-S1
Hi, can someone let me know what the packet buffer sizes are for the EX3300, EX4300, and NFX-250-S1 devices? Can the default buffer sizes on these boxes be increased utilizing the q-pic-large-buffer...
View ArticleQFX5100-48S-6Q
Hi, I can see only active ports on QFX5100 through "show vlans" operational mode cmd. What about if I want to see the ports that are not UP but configured under the VLAN for QFX5100? I recently...
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