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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IPV6 Support For Cisco Nexus Switches [on hold]

Does CISCO Nexus 3548P-10G L3 Switch Supports IVP6? What are some other alternative L3 Switches with same or slightly higher hardware configureation as CISCO Nexus 3548P-10G and IPV6 support
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1answer
20 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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2answers
2k views

Juniper SSG5 DHCP IP Pool is full. Unable to offer IP address to client

hope we have some Juniper guys around, I have configured a Juniper SSG5 as our main firewall/router the DHCP server set on interface bgroup1 to have a rang from 10.10.10.76 to 10.10.10.210 All ...
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8answers
6k views

Force Juniper-network client to use split routing

I'm using the Juniper client for OSX ('Network Connect') to access a client's VPN. It appears that the client is configured to not use split-routing. The client's VPN host is not willing to enable ...
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1answer
1k views

Juniper SRX1400 VPN

I have been trying to set up a client VPN on a Juniper SRX1400 without much success. All documentation I found from Juniper and elsewhere does a lot of other (difficult and wonderful) things other ...
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27 views

Define a domain without accessing it

I look for defining a domain on Windows even if actually, I haven't access to the domain. My needs is related to a VPN connection throw Juniper Network and the host checker try to verify that I am on ...
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0answers
16 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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1answer
135 views

IOS traffic-export equivalent for Junos

In IOS the traffic-export command allows you to take incoming packets and send them, unaltered, to a specific interface. Is there an equivalent way to do this in Junos? I've got a J-series 2350 here. ...
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27 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
29 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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84 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 ...
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3answers
404 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 ...
2
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1answer
64 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) ...
3
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1answer
75 views

DOS Protection EX Series

So I've read a number of white papers from Juniper containing some DOS prevention strategies. I'm not looking to prevent any one in particular, but rather just ensure the network is as best protected ...
2
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2answers
898 views

Juniper Network Connect and Ubuntu

I'm trying to install the Juniper Network Connect client on Ubuntu -- I'm wondering if any seasoned network admins or otherwise knowledgeable individuals know if it's possible for me to download the ...
9
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4answers
22k views

How to connect to a Juniper VPN from Linux

The Windows users have a new client "Juniper Pulse" to connect to the Juniper VPN server. On Linux, what VPN client do we have to connect to that Juniper VPN, with maximum compatibility? Please ...
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1answer
55 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
67 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
85 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
67 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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1answer
1k views

How do I configure NetFlow 5/9 export on Juniper switches? [closed]

What are the commands to make a Juniper switch send netflow data (V5 or V9) to a netflow collector for bandwidth monitoring?
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0answers
80 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
29 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
58 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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0answers
71 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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2answers
753 views

Gigabit network with a 100 megabit firewall

We have set up all the equipment necessary to have a gigabit network. All servers + workstations are running gigabit cards, just bought a 16 port switch that can handle gigabit as well. My concern is ...
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3answers
1k views

Juniper OSPF subnet mismatch from Quagga router

I am trying to setup a OSPF area between a Juniper MX80 and a Quagga router. The Quagga router has OSPF configured and network 199.192.100.0/28 advertised in the hello packet. But the Juniper MX80 is ...
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2answers
609 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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2answers
2k views

Juniper EX3300 routing issue

The routing on my Juniper EX3300 does not seem to be working. My ISP's gateway is at xx.xx.xx.xx. And I have the following in the configuration: routing-options { static { route 0.0.0.0/0 ...
5
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0answers
108 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
913 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 ...
5
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1answer
315 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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409 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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0answers
53 views

Windows server 2003 behind Juniper crashes when connecting using TS through vpn-SSL

One of my customers is running a Windows 2003 server. A provider connects to it using terminal services through a vpn-ssl connection established on the Juniper in front of said server. Since a few ...
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564 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
551 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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0answers
438 views

How to enable multicast on Hyper-V cluster?

We're currently experiencing an issue with multicast packets being dropped by our Hyper-V 2012 R2 cluster and have not been able to figure out how to correct this problem. We have a Juniper network ...
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1answer
35 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
443 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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1answer
4k views

Do you need to enable ALG features in order to NAT H323 traffic on a Juniper firewall?

Can you NAT H323 traffic if ALG features are disabled (ultimately disabled H323 traffic inspection capabilities), or is that feature required in order to NAT such traffic?
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2answers
227 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 ...
3
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3answers
353 views

Having ssh access only, determine if the device is router or a switch (Cisco and Juniper)

There are some Cisco and Juniper devices on our network that I need to make a python script to determine what they are: switches or routers. I have ssh access, so I can show version and parse ...
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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 ...
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0answers
294 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 ...
2
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1answer
337 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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3answers
2k views

Can't send commands via SSH to Juniper firewalls

I have some Juniper SSG firewalls which I need to manage, and I'd like to be able to send commands to them from some monitoring scripts. I configured SSH access using public keys, and I'm able to ...
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1answer
792 views

Routing for IPSec tunnel

For Juniper NetScreen-NS25, I configured a site-to-site IPSec tunnnel. For the outside interface of remote site, I also needed to go through tunnel which has the same IP as IPSec gateway. Now, when I ...
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1answer
69 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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0answers
163 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
401 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 ...