Juniper Networks is a networking technology company headquartered in Sunnyvale, California. They design and manufacture core and edge routers, as well as switches and security devices, most of which run their custom operating system JunOS.

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How to provide QOS for VOIP in Juniper?

I have 10 computers using browser based VOIP solution and they have problem with the internet connection. they are connected (wire) to Juniper Switches then to Fortigate. How can improve the quality ...
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1answer
17 views

RSTP over tunnel?

tl;dr: Is it possible to run RSTP over l2tp or MPLS? We have leased one gig capacity from a service provider's network, over which we sent a udp multicast traffic. The provider gives us drop at our ...
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38 views

Netscreen VPN UP/DOWN due to loopback address source monitoring

I am dealing with a problem with Netscreen VPN. Topology is basically Server Side ーー> (Agg2)Trust/Untrust(Agg1)ーー> ーー> Remote Office (Yamaha) 100.66.xx.0/24 ーー> Netscreen VPN ーー> Internet ーー> ...
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46 views

Juniper SRX DNS lookup in Trusted zone is not working

I am new to Juniper product, so this may be probably a silly question but I can't find any answer on the Internet.... Generally, my lab environment is sample, one Trusted zone with DHCP enabled, and ...
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1answer
28 views

Is there a benefit from using an IPS for outgoing traffic?

It's probably a stupid question, but still may be it will be useful not only for me. I have an Juniper SRX firewall in a branch office. All ports are blocked from Internet to Internal network. All ...
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13 views

Juniper WLA532 with SRX220H2

I've ordered a Juniper SRX220H2 to upgrade our firewall and was thinking about upgrading the office Wifi APs at the same time. Juniper manuals mention that the SRX supports > 4 WLA APs and WLCs, but ...
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1answer
28 views

Packet is not entering IPSEC tunnel Juniper SRX

IPSec tunnel to Amazon cloud doesn't work. My local subnet is 192.168.42.0/24. I'm trying to access Amazon cloud private subnet 172.0.3.0/24. My firewall model is Juniper SRX550. Tunnel is up (I can ...
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67 views

How to route traffic between tagged and untagged traffic on Juniper EX3300 switch?

I have 3 different subnets as below subnet1: 11.11.11.0/24 tagged with vid 1111 subnet2: 22.22.22.0/24 untagged subnet3: 33.33.33.0/24 tagged with vid 3333 now machines in subnet2 want to ...
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1answer
35 views

Active Directory & SRX - User Groups

I'm in the middle of configuring a Juniper SRX to do LDAP Authentication for users and am running into an issue in my lab. I'm sure it's my own poor AD skills at play here, but I'm seeing some strange ...
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95 views

Juniper SRX 240 dynamic VPN soft timeout

I have been struggling with this for over 2 weeks now and tried everything i possibly can. The Dyanmic vpn connection works fine, but the pulse client randomly pop's up with a password promt and ...
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48 views

Is possible monitor the VPN's bandwidth with Check_MK? How?

I would like monitor the bandwidth in the VPN of Juniper SSG5 with Check_MK. Is possible? How? For the moment I am monitoring the status with the check automatic (check_mk-juniper_screenos_vpn). ...
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1answer
16 views

SRX240 - unable to ping Default DG from router

Just want to ask how come i couldn't get a connection form srx directly to my PC. My configuration goes like this: set interface ge-0/0/5 unit 0 family inet address 10.10.1.1/24 commit When i ...
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1answer
247 views

How to install a missing intermediate SSL certificate system wide client side so that a CLI tool such as Juniper ncsvc uses it?

I'm struggling with the Juniper ncsvc CLI VPN client, which used to work for me but recently broke, and I suspect it's because of a HTTPS SSL Certificate issue: cat ...
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1answer
10 views

Juniper bytes-from-server meaning

I'm looking through some Juniper firewall logs that look like this. There are servers and user machines on the network. Most of the logs refer to source and destination, which makes sense to me, but ...
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1answer
34 views

Use port forwarding to access several computers via one public IP address

I am trying to set up remote desktop access to several computers. I created the following custom service: I then added the following VIP entries against the untrusted interface: I then created ...
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0answers
17 views

What could cause issue with accessing server over vpn

We have two servers at point A, users at point B connect to the servers We use juniper firewalls to do the VPN, Server 2 OS was just reinstalled. Access to server 2 stopped working. Users at point ...
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0answers
109 views

collectd snmp Juniper CoS statistics

I'm struggling to derive meaningful metric names out of my collectd configuration for grabbing CoS statistics from some Juniper switches. The <Data> definition looks like this: <Data ...
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1answer
65 views

Juniper SSG5 DDNS https socket creation failed

I have a Juniper SSG5 firewall, Version: 6.3.0r19.0, that is on a dynamic IP. We are using DDNS service from dyndns. The service is supported by the SSG device. There has been no problems getting it ...
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279 views

Juniper SRX IPSec tunnel to Microsoft Azure Dropping

I'm a bit stumped and was hoping to find some guidance here. I've configured an IPSec tunnel to Microsoft Azure from my Juniper SRX240 (12.1X44-D45.2). The tunnel works fine but phase 2 drops when ...
2
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1answer
148 views

OSPF among Cisco and Juniper

Below are snippets of ospf configs among Cisco and Juniper devices. However, not all are seeing each other in "show ip ospf", especially the redistributed routes into ospf. I'm sure the router id(s) ...
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1answer
95 views

Practice/learning “Junos OS” available? ( Junos OS/Juniper system ) [closed]

I would like to learn Junos OS/Juniper by practicing on the system itself. Is there such a resource on the internet? Possibly provided by Juniper for learning?
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1answer
97 views

Load Balancing between 2 ISPs

I'm having 2 ISPs, need to balance traffic between the internal users ... Firewall is SRX210 The question is: Each ISP has there own DNS, how to make the dns resolving based on the used ISP? ...
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1answer
103 views

Network maintenence time - Cisco & Juniper

I maintain Cisco & Juniper equipment, lately developers are complaining that router upgrades take too long. Since we don't have high availability yet. How would I cut downtime? I currently do: ...
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1answer
103 views

Juniper SRX210 routing vlans

Ive got a Juniper SRX210 only using 2 ports Model: srx210he-poe JUNOS Software Release [11.4R2.14] WAN ge-0/0/0 up up ge-0/0/0.0 up up inet ...
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123 views

Juniper SSG Port Forwarding over a Site-to-Site VPN

Our company has severs in two locations -- our main office, and a colocation. We're getting ready to move one of our servers, a PBX, from our main office to our colocation for better service, but ...
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1answer
33 views

routing between juniper NS Firewalls

we have site to site VPN between new york office Firewall (NS) and dublin client firewall. we have another office located in mumbai and configured site to site VPN between new york and mumbai office, ...
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1answer
121 views

Juniper SSG20 Additional subnet on adsl interface

I've configured a Juniper SSG20 to have some clients natted to the internet with the main ip address (X.X.27.90/30) of my IPoA ADSL connection but i have also some servers i wish to connect with a ...
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2answers
1k views

How to get/retrive the list of Interface, vlans, port id, and mac address in juniper via snmp?

Below are the following commands I used to get the specific data that I need in a juniper switch. Get Port Id and Interface snmpwalk -r:"switchName" -v:2 -t:10 -c:"*******" ...
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4answers
980 views

Junos Pulse users are competing with eachother for VPN connection

We've having the issues described here: http://kb.juniper.net/InfoCenter/index?page=content&id=KB26822 where one user kicks another user off the VPN when connecting. Our PCs were cloned after the ...
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0answers
114 views

Configure Juniper M320 as Ethernet/STM transparent converter

There is Juniper M320. We need to move ALL the traffic from one port to another. Everything that comes to one port goes to another and vice versa. No snooping or any other processing is required. One ...
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1answer
1k views

Juniper SSG5 suddenly slow throughput

I'm trying to find out where in my configuration the problem might be. About a month ago we were easily getting 100 up 50 down through our provider through the Juniper SSG5. Starting a few weeks ago ...
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93 views

How does Juniper vlan.0 work with policies?

I'm trying to understand vlan.0 and Juniper policies. Referring to here: http://kb.juniper.net/InfoCenter/index?page=content&id=KB16667 According to the link above, it seems that if I use ...
6
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1answer
435 views

Do Juniper switches support vtp?

We have a mostly Cisco network, though for our access layer we usually deploy Juniper Virtual Chassis switches. To replicate this, we are interested in deploying a few juniper switches in our product ...
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657 views

Wierd traceroute / ICMP issues on Juniper SRX 210BE

I recently acquired Juniper SRX 210BE; until now I've been using Cisco ASA 5505 but I really want to switch over to Juniper world (big FreeBSD fan and all that). I've got FTTC (fiber to the cabnet) ...
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635 views

Need advice on Juniper OSPF networking

I have been thrown in to this project because of a coworker's termination. I have a set of Juniper SRX 550 Routers. I need to create an OSPF network that passes all traffic (All subnets) as if it ...
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2answers
688 views

Arp attack on my network

We have a small network of around 100 laptop/desktops and around 20 servers (sounds an overkill but these servers provide service for all our external contractors too) and we have recently noticed ...
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1answer
40 views

configure juniper SSL VPN on seperate server for users

we have some client servers in USA and users in our LAN connect these servers using juniper SSL vpn client provided by the client. Now the issue is, numbers of users are increasing here and its been ...
0
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1answer
603 views

Juniper with multiple DHCP pool connected to Cisco switch

Newbie question: In our law office we have the following setup: Juniper SRX connected to Cisco L3 switch via trunk port. Cisco switch has: VLAN 5 range: 10.4.0.10 - 250 /24 VLAN 6 range: ...
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2answers
324 views

juniper ex2200c get temperature via snmp

I have a juniper ex2200c and am trying to get the temperature via snmp. I'v tried this tutorial by juniper, but my switch doesn't seem to answer. snmpwalk -v 2c -c foobar23 192.168.1.10 ...
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0answers
351 views

Windows 2008 R2 site-to-site IPSEC tunnel with Juniper: tunnel up but packets are lost

I am stuck on this task almost for 2 days. Organized a site-to-site IPSEC tunnel between Juniper and Windows2008R2 machine (let's call it W2008R2 for reference). W2008R2 is a multihomed machine (2 ...
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2answers
2k views

MTU between Juniper and Cisco, cause of packet loss?

This office has a network consisting of Cisco Catalyst and Juniper EX L3 switch. Cisco Router and Juniper L3 switch share a OSPF area in between them. Hosts on Juniper side are running FTP servers ...
2
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1answer
407 views

Trunking between Juniper Ex3300 with Cisco Router

Hy Experts, Please tell how to create trunking with Juniper and Cisco. Cisco 2950 > Juniper EX3300 > Cisco 2621 I create VLAN 100,VLAN 200, VLAN 300 I have create trunk on juniper switch with : set ...
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1answer
72 views

netscreen sn25 vs cisco asa5505 speed

Current i have 2 server direct connect to 1 juniper netscreen sn25 firewall then go to internet, the intel 350 nic is setup at 100mbps (which should be able go up to 1000mbps). the problem is this ...
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240 views

Connecting to incoming VPN clients from local ip

I have a dynamic VPN set up on a SRX 220 running Junos 11.4R10.3 Clients can connect and access the protected resources, but systems on the local network can not access connected clients. ...
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1answer
621 views

Direct Link through Juniper Portal

We have a Juniper portal in front of our web applications. When we navigate to our primary URL (e.g., https://apps.ourdomain.com), everything routes properly to our primary web site. However, if we ...
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2answers
756 views

Access to vCenter Server (in private network) from the Internet through vSphere Client [closed]

I have a vCenter server as a VM on my DPER710 in my internal network. DPE is connected to switch, switch is connected to JSRX, JSRX is connected to my ISP. My vCenter Server is installed on Windows ...
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1answer
636 views

Dead-simple Juniper firewall hairpinning [closed]

I have a SRX100 firewall running JunOS 12.1. I have a WAN interface proxy ARPing ten or so static routable IPs. I have a LAN interface on a simple class-C subnet (we'll call it 192.168.0.x). I'm using ...
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1answer
709 views

Translating MIB to OID and a Juniper Switch

2 chained EX 4500 I'd like to monitor using SNMP. http://kb.juniper.net/InfoCenter/index?page=content&id=KB17526 Can anyone please explain how did he translate "jnxOperatingDescr" to ...
2
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1answer
2k views

Disable NTP on Juniper SRX-240

I'm trying to shutdown/disable the ntp daemon running on a Juniper SRX-240 (junos 11.4), but the obvious solution is apparently not valid for this hardware/software combination.
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0answers
86 views

Juniper SSG-5 different vlans authentication

In my network infrastructur I have 2 companies right now. Every company has it own vlan. For example: Company A 192.168.100.0/24 Company B 192.168.101.0/24 I want to use a shared vlan for all ...