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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1answer
27 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?
2
votes
1answer
38 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? ...
0
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1answer
44 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: ...
0
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1answer
36 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 ...
0
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0answers
33 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 ...
0
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1answer
23 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, ...
1
vote
1answer
29 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 ...
0
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2answers
231 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:"*******" ...
1
vote
2answers
206 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 ...
4
votes
0answers
101 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 ...
0
votes
1answer
627 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 ...
1
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0answers
57 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 ...
5
votes
1answer
227 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 ...
0
votes
0answers
302 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) ...
0
votes
0answers
47 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 ...
0
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0answers
534 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 ...
0
votes
2answers
394 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 ...
0
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0answers
305 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 ...
0
votes
1answer
29 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
votes
1answer
371 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: ...
0
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0answers
57 views

Contrail Controller Roles

Trying to setup a test contrail / openstack environment, however I am confused with some terms that the contrail uses in its documentation... Contrail Controller Roles The roles used for the ...
1
vote
2answers
161 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 ...
0
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0answers
241 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 ...
0
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2answers
1k 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
votes
1answer
293 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 ...
0
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1answer
68 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 ...
1
vote
0answers
142 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. ...
0
votes
1answer
302 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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votes
2answers
534 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 ...
-2
votes
1answer
343 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 ...
-1
votes
1answer
404 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
votes
1answer
1k 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.
2
votes
0answers
72 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 ...
1
vote
2answers
84 views

LAN routing without vlan tagging?

On my old Allied Telesis router I had a single interface for internal traffic. I had multiple networks talking on this one interface. For example 192.168.2.X was vlan 1-2, and 192.168.3.X was vlan ...
2
votes
2answers
183 views

Colocation, Full Rack, Layer2/Layer3 Clarification

We are moving from several 1U servers colo'ed out across several data centers to a full rack in a nearby data center for both physical access reasons, as well as having space for expansion. We also ...
0
votes
1answer
2k views

How to connect to server with ESXi through the Internet? [closed]

I have a samll lab I can practice on. I have a Dell PowerEdge R710 with ESXi 5.5 installed on it. I have a Dell Juniper JSRX210 H and a management laptop. I also have the Internet connection (I simply ...
0
votes
1answer
400 views

Setup IPsec VPN using ASA5505 behind Juniper SSG5

I have been assigned to establish a Internet IPsecVPN connection between two sites using Cisco ASA5505 A site currently has following setup.(Same setup is expected in another site) Internet----->ADSL ...
1
vote
0answers
90 views

BOOTP on Juniper 4200 stack works one one subnet, not another

I have a Juniper Stack that connects vlans 10,11 and 50. 10 is servers, 11 is desktops and 50 management. Bootp is redirecting DHCP requests to a AD box on 10.x just fine for 50 vlan, and worked well ...
1
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0answers
61 views

Juniper 802.3ad Link between Switch and Router 3x link issue

We have a live 20Gbps link between our switch and router and we are trying to add another 10Gbps link to the LAG, we've changed all the settings on both end to add the third interface to the LAG yet ...
0
votes
1answer
377 views

Juniper EX3300, how to use snmp to get the mac address list?

I am a network engineer at a middle network company,now we also use the traditional network architecture. While we deploy a new IDC point,we will meet the requite about how to identify a server with ...
1
vote
1answer
3k 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?
0
votes
3answers
139 views

Juniper VPN client hardware? [closed]

I am using Juniper Network Connect software VPN client (v7.1) to connect to my company's network. I have to present a client certificate and additionally enter username/password to connect - a painful ...
-2
votes
1answer
283 views

Is it possible to install the junipersetupclient.exe for all users instead of single, per-user? [closed]

I have lots of computers and lots of users. They all need the junipersetupclient.exe. Is it possible to install the client for all users, so they each get the ocx? Or is is per-user only? I cannot ...
1
vote
0answers
867 views

VMWare ESXi 5.0 Networking Issue

I have an issue with 2 new ESXi hosts. OS - ESXi5.0 Custom Dell ISO patched up to Build 1024429 DELL R820 with 1G network 2 ports from integrated MB NIC(Intel) connected to 2 juniper switches, one is ...
1
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0answers
279 views

Issue Routing along IPSEC VPN

I am struggling to get two different subnets routing along a IPSec tunnel. The tunnel is between a Vyatta (6.5) and a Juniper firewall. The tunnel was initially created to route between a subnet in ...
0
votes
1answer
96 views

Can only access servers from one side of the VPN

I'm experiencing a rather weird problem. I have a VPN up between two sites. The VPN connects via two SSG140 Firewalls. It was working fine for about a year and yesterday it just stopped function ...
2
votes
0answers
63 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 ...
0
votes
1answer
607 views

Juniper networks mac addresses of switches in a LAN

I have a LAN consisting of switches connected to each other then to some devices, How to get the mac address of the switch connected to a specific port on the main switch then get the ports and device ...
0
votes
1answer
301 views

How to see all disabled interfaces in Juniper console?

How to see all disabled interfaces in Juniper console without looking through all of them? I have a Juniper EX4500 switch with JunOS 11.4R1.6 and all 48 ports are filled, so there are 96 interfaces in ...
1
vote
1answer
551 views

ssh command not working on juniper router

I'm trying to use ssh command on my MX juniper router but i get the following-error -cli: unable to execute ssh: No such file or directory this is the command i'm using: ssh 10.27.1.2 source ...