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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833 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 ...
2
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2answers
829 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 ...
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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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0answers
15 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
44 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
29 views

Juniper Junos SRX (with HA Cluster): filter on lo0 not working

config: 2 srx firewalls in a ha cluster on lo0 we use ssh. i tried to log the ssh packages: # show firewall family inet { filter deny_ssh_default_port { term deny_ssh_default_port_term { ...
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3answers
281 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
214 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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7answers
4k 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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0answers
95 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
95 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
1k 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 ...
1
vote
1answer
762 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
52 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
52 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
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1answer
71 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
219 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
124 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 ...
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votes
1answer
104 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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2answers
6k views

VLAN trunking between Juniper EX -> Cisco Catalyst -> and Cisco Router

I have the following scenario: EX2200 Switch whit ge-0/0/8 set as an access port on VLAN 80 ge-0/0/0 set as a trunk port connected to a catalyst switch and various vlans allowed to pass includin ...
2
votes
1answer
704 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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110 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 ...
2
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0answers
45 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
60 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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1answer
2k 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 ...
5
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9answers
3k views

Why DELL PowerConnect and Juniper are so rare ? Why do enterprises stick with Cisco? [closed]

I have a little question, I'm actually studing IT in France, and when looking on alternative on the very [...] very expensive Cisco equipments, I've found Juniper and DELL PowerConnect pretty ...
2
votes
2answers
119 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
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1answer
439 views

Juniper Network Connect - don't disconnect Internet [closed]

I'm using Juniper Network Connect to connect to a VPN. When I log in to the VPN it disconnects my other networks. I suspect this is a security feature, however I need to develop an application which ...
0
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1answer
644 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 ...
1
vote
1answer
4k views

ECMP Load Balancing in JUNOS

I'm trying to figure out how to use ECMP load balancing in JUNOS. I know this isn't the best way to load balance, but its quick and dirty and gets done what I need to. In ScreenOS this was pretty ...
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1answer
219 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, ...
0
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1answer
134 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 ...
0
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1answer
225 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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0answers
52 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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1answer
1k views

How to quickly and easily set up and maintain VPN's ? (Have Juniper SSG-140) [closed]

We have an SSG-140 by Juniper (similar to a netscreen 25, just a newer version of ScreenOS and more physical ports). I find setting up new VPN profiles to be a PITA. I have to follow a bunch of ...
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0answers
40 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 ...
2
votes
2answers
3k views

Juniper’s Network Connect ncsvc on Linux: “host checker failed, error 10”

I’m trying to log in to a Juniper VPN with Network Connect from a headless Linux client. I followed the instructions and used the script from http://mad-scientist.us/juniper.html. When running the ...
1
vote
1answer
1k 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
106 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 ...
6
votes
3answers
10k 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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votes
1answer
185 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
363 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
114 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
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1answer
64 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
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0answers
44 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
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1answer
328 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
112 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
220 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
votes
1answer
576 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 ...
2
votes
1answer
90 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?