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...
View Articlebest 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...
View ArticleLED 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...
View ArticleWhy no j-WEB available for JTAC recommended Version?
Hi,The JTAC recommended Junos version for EX4300's is 17.3R3-S4.2.Once installed if you try to run JWEB, it complains about a later version being available. Check download and install and off it goes...
View ArticleHow many ASICs in EX-4300-P
Hi all Experiencing certain behaviour in ports 0-11 on 4300P, can I please ask how many ASICs in the 48port P version 1U device? Thank you
View Articlelicence
Hi there,Why does ex4300/ex4200 switch need a licence for routing functions? Musn't it be a permanent base licence that covers any routing protocol when purchase? How to fix this licence problem?bgp...
View ArticleRestoring from a config file
Hello, I used filezilla to copy the config of another switch. show | display set | display inheritance | save /var/tmp/config_backup.txt I now have the txt file. I've changed the switch name and the...
View ArticleCan't seem to consistently ftp to my switches with Filezilla
I've run the command set system services ftpset system services sshset system services telnetset system services web-management https{Generate a cert for https}set system services web-management https...
View ArticleUnable to connect ex2200 to the internet
Hello experts I am trying to set up a lab for my juniper ex2200 practice. I wish to connect to the internet through the switch. I have attached my lab topology as well. I used a nano router/modem to...
View ArticleConnecting both the management port and the connection to another switch or...
Hello, The client only ran 1 cable to each switch. We cannot get them to run 2 cables to each switch.They need to remotely manage them. They do not want to have to introduce mini switches to split...
View Articleex3300 firewall filter not working/logging
I have done this before but it has been a while basic from wire to see traffic enter a port and leave a port set firewall family ethernet-switching filter TEST term TERM1 from source-address...
View Articleip trancated
H:\>ping 10.10.2.65 -l 1600Pinging 10.10.2.65 with 1600 bytes of data:Reply from 10.10.2.65: bytes=1600 time=3ms TTL=58Reply from 10.10.2.65: bytes=1600 time=3ms TTL=58Reply from 10.10.2.65:...
View ArticleDHCP helper failing on switch stack
Hello all,We have an interesting issue that has just cropped up on our EX4200 switch stack at a school we manage. Every few days, the DHCP helper service (DHCP service) will fail and stop forwarding...
View Articleunable to ssh to ex switch
Hello Experts, I cant ssh into the switch for users using ssh keyI generated ssh rsa and linked it with my test user root@Juniper-lab:RE:0% ssh-keygen -t rsaGenerating public/private rsa key...
View ArticleLIBJSNMP_NS_LOG_WARNING
Hi all,1-) For the following constant log message on the 4200ex in vc, there is a...
View Articlebgp notification
Hi all, The following log messages time to time continiously have been taken place...When checking the >sh bgp summary, it shows that 10.10.11.23 is established. Where to start for investigating the...
View ArticleShow interfaces output on EX4300MP MGE ports.
Show interfaces on EX4300MP says 10Gbps but the device connected to it is only capable of 2.5Gbps. Is that normal?
View ArticleQFX 5100 show log chassisd
Hi all,I need some advice on a particular log output after doing a commit on a QFX 5100 virtual chassis.I've recently upgraded it from 14.1 to 15.1 to see if that would fix the strange logs I see when...
View Articleping time is so high
Hi,I have the following network path:Host-----------ex3500witch in VC------ex4500inVC(GateWay)-----------ex9200--------Firewall------Servers Ping from host to server avg between 2-3ms. But from host...
View ArticleMinimum number of VPC links for Virtual Chassis on EX3300
This has not been covered in any KB, anywhere. As the EX3300 platform does not have dedicated VC links, nor an unlimited number of 10G ports I have tried to configure a single 10G port for my VPC but I...
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