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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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
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58 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
54 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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19 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 ...
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1answer
86 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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107 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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36 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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499 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
159 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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121 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
21 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 ...
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1answer
181 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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39 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 ...
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2answers
98 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
178 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
795 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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1answer
208 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
59 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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85 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
148 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
408 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
198 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
224 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
932 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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191 views

Flash clients are unable to connect to policy server on port 843 when hosted through a Juniper Firewall

I'm hosting a TCP based server that Flash clients connect to over an XMLSocket. This requires a policy server to run on the same server on port 843. Flash clients have no problem connecting when ...
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0answers
60 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 ...
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2answers
73 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 ...
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2answers
145 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 ...
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1answer
1k 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 ...
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1answer
369 views

Access router set up as a bridge behind another router

I have a problem my ISP is refusing to help me with, even though they put up the whole system. Specifications: There's a Thomson TG784 router through which the internet comes in to the building, ...
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1answer
338 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 ...
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68 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 ...
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51 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 ...
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1answer
235 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 ...
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1answer
2k 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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3answers
124 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 ...
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1answer
224 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 ...
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0answers
585 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 ...
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0answers
206 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 ...
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1answer
74 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 ...
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0answers
52 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 ...
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1answer
487 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
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1answer
187 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
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1answer
352 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 ...
2
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1answer
892 views

How to get Juniper SRX220 to respond to multiple IP Addresses

How can I get an SRX220 to respond to multiple ip addresses on same subnet, but with different gateways. e.g., Subnet: 1.1.1.40/30 (.41 gateway, .42 actual ip) Subnet: 1.1.1.44/30 (.45 gateway, .46 ...
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1answer
102 views

Does Juniper ScreenOS support IPCOMP?

Given an oldish Juniper Netscreen device running ScreenOS 6.2 (Juniper NS5GT-ADSL), would it support IPCOMP payload compression (RFC 2393) in IPSEC tunnels? If so, any reference on how to set it up?
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1answer
310 views

JunOS Regular Expressions for AS Path

I want to write a regex in Juniper MX960 router for BGP including 3 AS paths with first element is constant, second and third are wildcard. I found that we can put as numbers manually like this: ...
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1answer
1k 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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1answer
3k views

SRX220: Cant ping between hosts in directly attached networks through SRX

I have such lab: SRX220H and 2 hosts. Host1 (IP-address 192.168.1.100/24) connected to SRX interface ge-0/0/1 (interface address 192.168.1.1/24); Host2 (IP-address 10.10.1.100/24) connected to SRX ...
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1answer
311 views

Juniper Firewall SRX210 questions

Total newbie to Juniper. Okay, I've been messing with the web interface on a SRX210 Firewall for a few hours now and looking like I need specific help now. So the overall architecture is that I have ...