Storm Control on trunk interfaces ?
Hi all,I guess this is a stupid question, but I couldn`t find meaningful statemenst to this question.So I would like you to aks:Is it possible to configure storm-control to a trunk-port ?And if...
View ArticleEX 200 ans Scheduler priority
Hi everyone, On EX 200 we have only two scheduler priority Strich High and low. My question can I use two traffic classes T1 and T2 with rate limit with both STRICT HIGH ? Basicaly I would EX to do...
View ArticleEX4600 DDOS Violation show Portinfo
Hi Guys, is there any possibility to show on what Port a violation occured?I found...
View ArticleEX 200 and Scheduler priority
Hi everyone, On EX 200 we have only two scheduler priority Strich High and low. My question can I use two traffic classes T1 and T2 with rate limit with both STRICT HIGH ? Basicaly I would EX to do...
View Article2 qfx5100 vcf?
A little background before I crack into it: I just started a new job, and my past experience was with cisco adtran etc. The last network engineer left the week I started here, so I don't have a lot of...
View ArticleConsole access is not available on CON port of qfx5100-24Q
Hi Experts, There are two qfx5100-24Q leaf switch and the current configuration is below in my lab.I can access to one of switch via CON port directly. This is fine. But the other switch is not...
View ArticleGBIC Warranty
I have a Juniper Networks SPP5100SR-J3740-021308 REV 01 10GE SFP+SR that has stopped working, are these devices warrantied from Juniper.? Or just trash it and buy another.?
View ArticleUpgrade firmware switchEx3300
Dear Sir/Madam I have a Switch EX3300 using firmware 12.3R3.4. But there is some errors CVE existed in this version, so I want to update it to 12.3R12. However,in my equipment has options the layer 3...
View Articleallowed mac address on trunk port EX4550 juniper switch
Hi Allkindly assist me on the issue i am facing when trying to configure allowed-mac-address on trunk port, i a getting below error #commit check[edit ethernet-switching-options secure-access-port]...
View ArticleInterface with SFP not getting up
Hello! I have EX4600 (JUNOS 14.1X53-D27.3) and trying to connect ISP to OEM SFP which is inserted in interface 1 (ge-0/0/1). After insertion this interface is not showing in "show interface terse" and...
View ArticleEX4600 problem with a module EX4600-EM-8F
Hello all! May be someone have faced with the same problem.I have a virtual-chassis from two EX4600 switches with 3 expansion modules (EX4600-EM-8F)>show virtual-chassisPreprovisioned Virtual...
View Article10Gb SFP+ Autonegotiation
I'm having trouble getting autonegotiation status on a 10Gb SFP+ port on a QFX5100. Whether autonegotiation is set or not I don't see anything that indicates if autoneg is on, or what the outcome was....
View ArticleEX3300 RVI forwards with dst MAC 00:00:00:00:00:00
Have someone met with the same problem? (see description below...)We run JUNOS 15.1R6.7 on our EX3300 configured as L3 gate for local vlans and particularly for vlan 102 Ex.:my-user@my-ex3300> show...
View Articleqfx 5100 shuts it self off?
Hey so i have 2 qfx5100 set up in a VC and one of them keeps shutting down every night and i cant see why? lucky theres only one user thats useing it right now. but what i walk in to is a switch with...
View ArticleMAC attack - What happens when MAC table is full?
Hi all, When an attacker sends MAC attack make MAC table of a switch is full, what's behavior switch now? Does the switch change behave as a hub? So the switch now doesn't know VLAN terminology?...
View ArticleSwitch configure DHCP snooping, however end-user set IP address manually
Hi all, I imagine a scenario like here with topologyClient A (set manually IP address) ---------- Switch ------------- Client B (Hacker) Client A and B same VLAN and switch configure DHCP snooping,...
View ArticleBOOTP configuration on QFX
Hi Team, I need your help to confirm the configuration syntax for BOOTP relay on the QFX. This is the current configuration on the NetScreen firewall that we would like to replicate: set interface...
View ArticleCore L3 with L2 access VLAN IRB/RBI setup
I have a security system that is running OSPF with Multicasting. I have 1 L3 switch running the routing protocols and several L2 access switches. I am confused about the VLAN setup on the access...
View ArticleEX 4200 Switch Configuration guide
Hi everyone, I am looking for configuration guide for EX4200 Switch , some configuration are different on EX , for example, EX 4300 vlan l3 interface requires irb interface.I googled it , all I see...
View ArticleEX4200 Uplink module
Hi everyone, I am researching some Uplink module features on EX 4200. SFP+ uplink moduleSupports two 10 GIG ( port 0, port 2) or either 4 one gig ports.Default is 10GIG 1)My question is how would...
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