QFX5100-48S: Reboot reason(s): 0x2000: hypervisor reboot
Hi everyone, At present, there is a QFX5100 switch, automatic restart, Jul 7 10:29:28 2016 xxxxxxxxQFX5100-11 /kernel: %CONSOLE-6: kernel dumps on /dev/ad1s1b Jul 7 10:29:28 2016 xxxxxxxxQFX5100-11...
View ArticleEX4600 VC switch expansion
Hi, Currently I have a pair of EX4600 VC using 10G Fiber port as VC port. I'd like to add a new pair of EX4600 to the existing VC using 40G QSFP port as VC port. So we will have a mixture of 10G &...
View ArticleQ-in-Q vlan with dot1q-tunneling not working
Hi I have tried to created a q-in-q vlan between two (2) EX3300 with adv.lic for dot1q feature and the service vlan goes through 3 core switches EX4500+EX4500+EX4600, that traffic is not limited in any...
View Articleonly family bridge can be configured on this interface
Hi,device: mx480I am configuring a bridge domain with more vlan. This is the configuration: set interfaces xe-0/2/0 trapsset interfaces xe-0/2/0 vlan-taggingset interfaces xe-0/2/0 encapsulation...
View Articleqfx don't show subinterface
Hi, on a qfx5100 I configured some subinterface set interfaces xe-0/0/46:0 vlan-taggingset interfaces xe-0/0/46:0 encapsulation flexible-ethernet-servicesset interfaces xe-0/0/46:0 unit 101 description...
View Articleocx1100: start linux juniper but doesnt start junos
I can login in the linux shell, but I can't start junos, somebody knows how it start or commands to load it? GNU GRUB version...
View ArticleDHCP issues, across trunk?
I am trying to get my PS4 an external IP address with the following design: Juniper EX2200 - Switch2ge-0/0/0.0 vlan member iNET (500) - this is where the PS4 isge-0/1/1.0 port-mode trunk, members iNET,...
View ArticleMAC addresses per port
Hello, can anyone please tell me as to how many MAC addresses can be learned per port on EX switches, Is this figure different depending on the EX switch model, if so I would like to know for...
View Article[QFX5100] dhcp-relay options
hi guys, ive read some juniper Kbs regarding dhcp-relay options and i cant make it work based on their commands are there any straight-forward CLI guide out there to follow? did anyone try this on...
View Articleerror: failed to copy file '//var/etc/stp_context.id' to 'fpc1'
Hi,I have a VC of 6 ex4300 switches. after some chnages I am trying to commit the chnages but getting below error and chnages not take effect:root@core1# commitfpc0:configuration check succeedserror:...
View ArticleQFX really weird OPTIC issue
So we have 2 QFX-5100-48s switches. We plugged a certified compatible 10GB optic into a port 46 on switch 1. It didnt light up. We figure, bad optic. We plug another known good optic into the same...
View Articleconnecting EX4300 VC to EX4600 non-VC
I am having an issue connecting a VC of EX4300s for a non-VC of EX4600s. As you can see from the topology (sorry for using the wrong stencils) the 4600s are using the et-0/0/24 as a trunk port for all...
View ArticleScheduled JUNOS upgrade
Hello Is there any way to schedule automatic upgrade of JUNOS in EX series swithces. For exampe We have 50 number of swithes that need upgrade and I need some kind of script that can schedule the...
View ArticleHow to add or remove multiple VLANs from few interfaces without using full...
Hi I'm confusing with managing VLANs on my EX4550. In Extreme Summit X650 I could simple use AWK to prepare commnads for adding or removing VLANs without using full names: config vlan v118- add ports...
View ArticleVC not showing neighbor
Hi, We have a 4300 virtual chassis stack of 3 and is configured preprovisioned. When I do show virtual-chassis status, only unit 1 is showing neighbors for 0 and 2. But unit 0 and 2 are not showing...
View ArticleEx 4300 VSTP no interface all blows up config .. no Interface Range for AE?
Hey since the EX 4300 uses the ELS, the syntax is a little bit different from what im used to from the ex 2200 and ex 3300 configs.I want to setup VSTP on a EX4300-32f VC which has 45 LAGS (ae0-ae45)...
View Articlejunospace upgrade and one switch cant format alterante
hello I post in junospace area but this may have something to do with the switches we have been upgrading this with juno space for the last month and no issues, now all the switched are failing the...
View ArticleUseful Steps to recover from a Loader prompt ( Loader>)
Steps to recover from a Loader prompt ( Loader> )There may be situations if a unit has failed to load the kernel during boot process and displays the...
View Article2:2 translation from c-vlan to s-vlan and vice versa - EX Swtich !!!
Does juniper support 2:2 translation from c-vlan to s-vlan and vice versa. I checked couple of Juniper EX swtiches example but not able to find. Could someone help to provide. Diagram attached for...
View Articlewhich Junos for my EX4200
Hi all, my company have plenty of EX4200 : a lot of them have an old version of JunOS ( 12.3R6.6 ). I would like to update them but JTAC Recommended release for this product is 12.3R12. ( and EOS is...
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