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Channel: Ethernet Switching topics
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Unable to communicate between VXLAN ports on same LEAF device

Hello, I am running a spine-leaf architecture within a residential estate to carry FTTH traffic between the internet service providers and their end-users. I am using the QFX5100-48S device for both...

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How do I backup my switch settings?

Hello, If I ftp to my switch, is there a particular file I can copy from it so I have a backup of the configuration?

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How to exclude an ip from the subnet defined as prefix-list in firewall filter

Hi I have already configure a firewall filter on subnet  "115.189.245.64/28" by defining it as  prefix list "xyz"  in that filter "cc-out" . I want to exclude ip ( 115.189.245.78/28 ) from that prefix...

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motd does not exist

hi,What reason causes the chasissd log below?  What tvp is? why does partition check? any idea?tvp_pseudo_partition_check: /var/host/motd does not exist.pem_tvp_periodic cbd=111c140 slot=1, state=1

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How do I show if ftp, ssh, telnet etc are enabled?

Hello,What command do I run to see what remote access is enabled?

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chassisd+messages_log

Hi all,Some errors, fails -licence etc...pls see attached file. Is there any vital concern from the logs?

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configuring snmp with custom community name

Hello,I looked at this exampleset snmp name “snmp qfabric” description “qfabric0 switch”set snmp location “Lab 4 Row 11” contact “qfabric-admin@qfabric0”set snmp community public authorization...

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Setting up mirroring

I've done mirroring on other switches to find a problem but I'm new to junipers so I might as well know nothing about switches.The client wants ports 7 and 8 to mirror their data so it can be sent to...

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Juniper Ex4200 problem with assign firewall to access port

Hello,This is my firewall filter rules :family ethernet-switching { filter port5 { term port5 { from { source-address { 192.168.1.0/29; 192.168.1.240/29; } } then accept; } term default-term { then...

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My telnet password is different?

Hello, I am connected via serial.   I enabled telnet, ftp, web access.   I went to log in to telnet with the same root and password I'm using for the serial connection and it doesn't work.   Can you...

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Show analyzer on the EX switches

Hello, I'm trying to check the switch mirror configuration.I tried run show analyzer and show analyzer from the switch I geterror: syntax error, expecting <command>:...

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question about redundant power in juniper ex4200

Hello,I have a juniper ex4200-48P and i have installed 2x PSU for that, (psu part numbers are 740-035875  and both of them are same)  but the out put of "show chassis redundant-power-system" show...

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Possible VC on EX2300 using 1g UTP?

Hi all, Is there anyone already test whether EX2300 can do a VC using 1g UTP? If yes may i know the maximum VC it can made? For example EX3300 it can do VC using 1G utp. Thanks and appreciate any...

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QFX balancing traffic over LACP using MPLS and L2Circuit

HiWe'd many devices QFX3500, QFX3600 and QFX5100 running the stack "IP, MPLS, TE and L2circuit".Many connections is done with LACP betwin switch as QFX<->QFX "direct connected", however the...

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Manual Links switchover - LACP

Hi All, I have MX-960 VC where 4x10G links are on one physical chassis and other 4x10G links on the other physical chassis. However, all of 8 are configured under the same lag (i.e ae2). There other...

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EX4300 xe Ports Identification

Hello All,I've got an EX4300 switch configured as it follows : MAIN_SWITCH> show configuration interfaces xe-0/2/2description TO_PARTNER;inactive: native-vlan-id 100;link-mode full-duplex;unit 0...

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XE down since I'm not sending light?

I have a link that went down for what appears to be my fault? When I run the diag, it shows I'm not sending light? Why would that be? Any ideas? FWIW, if I set the int to disable, commit and enable,...

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mastership activities on 4200EX

Hi all,1-) Generally how to understand about when mastership change over in a VC with what reason? How to truck and determine these activities with which log file?The following mastership log, I am not...

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best practice for unused ports

Hi all,What is the disadvantage or risk about leaving some unused ports and aggregrate ethernet ports are open and not disabled.In the CCNA course, trainer always strongly advised on shutdown the...

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LED problems after upgrade to Junos 18.1R3-S6 on EX3400

We have a stack of 7 EX3400s in a VC that were running 18.1R3 with no troubles for quite awhile. Last weekend I upgraded them to 18.1R3-S6 as per the JTAC recommended software version. Upgrade went...

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