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.

learn more… | top users | synonyms

0
votes
2answers
212 views

Is there a Juniper limitation on the number of SA in 'any to any' ACL in IKEv1

I've connected Juniper SRX5800 and another enodeB device (don't know the vendor) by an IPSec tunnel. It uses IKEv1 for negotiation of keys. there are 10 ACLs on the enodeB side and on Juniper SRX, I ...
1
vote
0answers
2k views

Does a Juniper SSG work well as an NTP server?

I have an old SSG-140 that I wanted to use as an NTP server for a number of devices - is this device able to act as a stable NTP time source? My Linux clients can't seem to stay synced to the device -...
1
vote
0answers
489 views

Allowing connections initiated from outside

I've got an old Juniper SSG5 running ScreenOS 5.4.0r6.0. Once a day, more or less, it'll start randomly dropping packets at a rate of ~5-10%. We currently solve this issue by simply rebooting the unit,...
-1
votes
1answer
244 views

Firewall Deep Inspection Updates and Antivirus Subscription, worth it? [closed]

I realize that this is a subjective question, but I'm trying to get some experiences We have Juniper firewalls in our organization (SSG-320M, SSG-5, and some old NS-5GT). We have the option of a ...
0
votes
1answer
3k views

How to route all network traffic for vlan through a proxy server on SRX

I'm trying configure an SRX router to automatically forward all traffic through a proxy server i have in the USA. I have created a separate vlan and configured the proxy but not sure how i can route ...
0
votes
1answer
1k views

Juniper SRX220: How to access wan IP from lan?

I have setup Juniper SRX220 and i have a small problem. I can access the system from lan subnet (192.168.0.1) but not vie wan (external ip) address. Is there a way to access internal machines from ...
0
votes
1answer
1k views

Juniper SSG20 IP settings for email server

We have 5 usable external static IP addresses leased by our ISP: .49 to .53, where .49 is assigned to the Juniper SSG20 firewall and NATed for 172.16.10.0/24 .50 is assigned to a windows box for ...
1
vote
2answers
17k 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 ...
1
vote
1answer
122 views

How can i disable ip binding in Juniper SSL VPN SA-2500?

At the moment it is set to allow Admins with specific ip addresses to log into the admin console. I'd like to allow everyone to open the admin console without checking the machine's ip. Anyone knows ...
3
votes
1answer
2k views

Juniper SSG 5 VPN

I have a host who set up our Juniper SSG 5 VPN with Firmware version-6.2.0r5.0 I've been trying to set up VPN on it using this guide: http://kb.juniper.net/InfoCenter/index?page=content&id=KB4094 ...
0
votes
1answer
493 views

enabling MPLS,RSVP and OSPF-TE

I am using Juniper J-series routers to emulate a small telco and VPN customer.I need to use OSPF so that the routing information can be propagated to all P and PE nodes (basically all core and edge ...
0
votes
1answer
130 views

juniper VPN disconnect when I use SCP

I am using Juniper in my company. I have a 64 bit Ubuntu 12.04 laptop. I can ssh to remote servers, and do everything well. My problem is : whenever I scp something to the remote server, Juniper ...
1
vote
1answer
2k 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 ...
0
votes
1answer
751 views

Packetloss in Juniper SRX with gigether-options loopback enabled

I have run into an interesting problem with a Juniper SRX 240 box. The box is running BGP as a border router, and is announcing a /24. To ensure that the vlan with the network stayed "up" I set the ...
0
votes
1answer
894 views

VLAN with trunk to avoid broadcast storm in a network with redundant paths

I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology. I have two PC's that I am using PC1 - (used for configuring the 6 switches via minicom) PC2 - to ...
1
vote
2answers
3k views

VLAN support on Juniper EX - 2200 switches

I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology. I have two PC's that I am using PC1 - (used for configuring the 6 switches via minicom) PC2 - to ...
3
votes
1answer
2k views

configuration transfer over scp on commit not working on Juniper EX-2200 switch

I am making a series of configuration changes on Junos EX- 2200 switch.I have this router connected to another PC via an ethernet cable.The IP address of the switch is 192.168.1.1.I am able to ping ...
0
votes
1answer
372 views

Login configuration script for Junos EX 2200 using minicom

I am connecting to Junos OS on Juniper EX-2200 switches using minicom as shown below minicom -C log_sw1 sw1 Now I have a series of commands that I need to execute on sw1.(example shown below) cli ...
2
votes
2answers
1k views

Cisco Sticky Mac vs Juniper Persistant-Mac

I’m trying to figure out if there is an inherent flaw in the way JUNOS handles sticky-mac addresses across their switch-ports versus how Cisco handles them. I’ll elaborate. Below, you can see that ...
1
vote
1answer
470 views

Multiple External IP Addresses, Two Routers & Amazon VPC

I'm out of my depth here as I'm a database developer trying to do network stuff and really need some help. We have a leased line with multiple external IP addresses (subnet mask 255.255.255.248). ...
0
votes
1answer
5k views

Configuring VLAN on Juniper EX2200 switches

I have a Juniper EX2200-24T switch.It is configured as an L2 switch (i.e the interfaces are configured in such way that they do not have an IP address.).I have manually connected the port ge-0/0/0 of ...
0
votes
1answer
1k views

Routing between SRX220 and existing network router

I've got a Juniper SRX220 that I'm trying to connect between our existing network and the new networks on the Juniper side. However, no matter what static route I try and set, traffic doesn't cross ...
0
votes
1answer
1k 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
votes
2answers
294 views

How to restict telnet from Juniper firewall?

Can telnet everywhere from the appliance without any traffic / event logs. It seems to disregard the global policy we have set for blocking all traffic unless specifically permitted.
0
votes
2answers
1k views

Can Juniper SSG be used as DNS recursor?

As per title. e.g. 1. client asks example.com <--> Juniper_SSG_140 2. Juniper_SSG_140 <--> DNS root servers 3. <--> Specific DNS returned by root server 4. client ...
-3
votes
1answer
259 views

What is the story with 64 reserved address limit on Juniper's DHCP server?

It's a very strange limitation, any way to increase it?
2
votes
0answers
2k views

Outbound traffic being blocked for MIP/VIPped servers (Juniper SSG5)

As we've been having some problems with sporadic packet loss, I've been preparing a replacement router (also an SSG5) for our current Juniper SSG5. I've setup the new SSG5 identically to the old one. ...
2
votes
1answer
2k views

Using Juniper EX3300 as a router [duplicate]

Possible Duplicate: Using the Juniper EX3300 Switch as a router? So I have a Juniper EX3300 Switch. One of its uplink ports (ge-0/1/0) is connected to my ISP's router. ISP router's port ...
3
votes
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 ...
2
votes
1answer
4k views

Using the Juniper EX3300 Switch as a router?

I have a Juniper EX3300 switch in a data center. And I have connected one of the uplink ports (ge-0/1/0) to my ISP's router. I want to configure it so that all the devices connected to ports in the ...
2
votes
0answers
851 views

Is using GIADDR when relaying DHCP requests beneficial?

I am setting up three Juniper EX3200 switches simply named 1,2, and 3. Switch 2 will have two VLANs, one being the internet uplink from the Firewall and one being the gateway for the Workstations. ...
0
votes
2answers
965 views

MX960 port mirroring only Tx or Rx side

On Cisco routers there is an option to do port mirroring only on Rx or Tx side, by using this command: monitor session session_number source interface interface-id [, | -] [both | rx | tx] (...
-5
votes
1answer
235 views

juniper: j2320 vs ex3200 [closed]

I'm looking for a router for our network. Currently I'm between these two Juniper devices: J2320 (router) http://www.juniper.net/us/en/products-services/routing/j-series/j2320 ex3200 (L3 switch): ...
0
votes
1answer
5k views

Setting a routing entry with Juniper SSG 5 - LAN to LAN VPN

I have a two-parter: I set up a LAN to LAN VPN yesterday (following this juniper kb article) and it was almost working, so I found another guide and went through the process of making route entries ...
1
vote
3answers
558 views

What is Juniper's equivalent to netcat/nc command?

On Linux there is a nice tool for testing connections, bandwidth, opening temp. connections etc: nc What is equivalent on Juniper firewalls?
0
votes
2answers
688 views

Juniper J4350 out of order

I have got two (2) Juniper routers J4350 that are out of order : All the interfaces are down (leds on the interfaces don't ligthen, ping dosen't respond) No output on the console port (even when ...
2
votes
2answers
2k views

Problems with ipsec betwen Cisco ASA 5505 and Juniper ssg5

I am trying to set up an ipsec tunnel between our ASA 5505 and a Juniper ssg5. The tunnel is up and running, but I cannot get any data through it. The local network I am on is 172.16.1.0 and the ...
5
votes
3answers
3k 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 ...
5
votes
1answer
800 views

Juniper SSG20 - Bridge ADSL to ethernet interface

We're trying to reuse some leftover equipment we've got. I've got a Juniper SSG20 with 2x ADSL2/2+ mini-PIMs and we've already got a firewall solution (Which will act as the PPPoE Client) but what we ...
2
votes
0answers
614 views

Juniper SSG5… How to setup VPN to Netgear FVS338

I'm trying to configure a Juniper SSG5 for VPN. So far I'd say I'm lost lost lost. The server (just one for now) is a dedicated host at a hosting company. I have a block of 8 public IPs (/29), the ...
1
vote
1answer
179 views

Juniper AX411 access points and 2.4ghz

I'm using the Juniper AX411 access points in my office. I have set them up to broadcast 3 different virtual access points all over 2.4 ghz. This all works fine for maybe 1-2 days and then this slows ...
1
vote
1answer
592 views

Wireless LAN Bridge with WAN VPN Failover

My network is below, it's currently just an ordinary 192.168.0.0/24, the branch offices needs to have access to resources on the main site. Currently all internet traffic go across the bridge and ...
13
votes
6answers
36k 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 ...
3
votes
1answer
571 views

Getting false-positive SQL Injection reports

We have installed a new Juniper SRX firewall with IDP, so the firewall is inspecting the traffic for suspicious activity. I've encountered 3 "false-positive" reports for SQL injection attacks that ...
0
votes
3answers
1k views

How to bind an IP to a specific switch port with DHCP

I have servers connected to multiple Juniper EX4200 based virtual chassis. In order to make them hot swappable without manual reconfiguration, I would like to be able to always give the same IP, with ...
2
votes
1answer
2k views

Juniper SRX210, How can i enable the port 554, 9001 for 192.168.1.151 local IP?

I have been strugling to solve this but still i can not fix it. I have 192.168.1.151 PC and it has 554 and 9001 TCP/UDP open. But i need to publicly access that. In my juniper srx210 i have this ...
1
vote
1answer
575 views

Juniper SRX240H occasionally dropping connections

One of our clients has an SRX240H in their office that occasionally is dropping connections going LAN to WAN. For example: they could be on an IRC server and they will drop out for 2 minutes and then ...
2
votes
1answer
1k views

Pushing IP routes to various VPN clients

With OpenVPN there is a well-known option "push" which allows to push an IP static route from the server to a connected OpenVPN client. I would like to know if there is an equivalent of this option on:...
1
vote
1answer
376 views

Throttling Throughput on a Metro Ethernet Uplink port using a policer?

I have a Juniper EX4200 that acts as a router in our remote data center. The Juniper is plugged into a 10 mbps metro ethernet link that connects to our office. The traffic over this link is mostly ...
2
votes
1answer
3k views

Configuring routing in Juniper router

I have a Juniper SRX220 (junos) router where I have configured vlan.1 and vlan.2 with IP 10.0.1.1/24 and 10.0.2.1/24. Now I want to route between these networks. How do I configure that in Junos? I ...