Questions tagged [juniper]

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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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 as possible. But I'm not inclined to copy+paste…
choco-loo
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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 actual ip) both drops go into a proper switch and…
user175308
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Juniper EX BGP with Default Routes

I'm new to BGP - so this is certainly a learning exercise. I'm moving away from PA space provided on 2 routed uplinks to having my own IP space and multi-homing my transit. To begin with, there will only be a single transit provider - and they have…
choco-loo
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juniper ssg320 intrazone configration issues Close - AGE OUT

We have one main office and another small office that holds only 5 people. We have recently setup OpenVPN on our main office and created a bridged vpn between our main office LAN and a windows 2003 server sitting in the small office. The windows…
ani
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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 'JUNOS' or 'Cisco' to find out the vendor. But I don't…
pr1va
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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 I've followed the steps and on my Mac, whenever I try…
Ethabelle
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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 from 192.168.1.1 to 192.168.1.0 and…
liv2hak
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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 are just genuine usage: Using mDaemon's webmail,…
Dan
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PowerConnect switches, Juniper firewalls and esx redundancy

Let me preface this question by saying that I am a developer and have basic knowledge of networking. My current job requires that I wear many hats. I am building out a DataCenter for our SaaS Application and have purchased all the hardware on…
Chris Kooken
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Juniper Netscreen Reset to factory defaults. Does license remain in tact?

I bought an SSG-5 with the extended license off of ebay. I was messing with the config, and now I want to reset it in order to start fresh. If I do this, will I loose my license information or will it remain on the device?
Chris Kooken
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To LAG or not LAG?

I have a new ex4200 switch stack, my 3 esxi hyper-visors connect to the SAN via vlan 200 which is EST. I have loaded the Equallogic multipathing plugins. When I have the 4 cables per server dedicated plugged in to the switch the hyper-visor see's 4…
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Juniper SSG5 Help!

Newbie in firewall here. . .I need my trust zone to access the internet but the problem is I cant make it happen. So far, from the trust zone, I'm able to ping the IP's in the unstrust zone but I can't ping the IPs within the trust zone or bgroup0.…
Paolo Tiu
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Why should I use a switched network over routed?

Now that routers are affordable, why should I build a network using Layer 2 switches, which degenerate to broadcasting under poor conditions, and not just use real routing at Layer 3? Edit: Got some great replies. Let me clarify the question: Of…
SRobertJames
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How to route all traffic over site to site VPN tunnel?

I have a site to site VPN configured between our main site (Site A) and a remote site (Site B). Site A is 10.60.0.0/16 Site B is 192.168.99.0/24 The firewall in Site B is a Juniper SSG running ScreenOS 6.3 and I'm using a route based VPN. The tunnel…
flooble
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Juniper router dropping pings to external interface

My organization has a Juniper SSG20-WLAN that routes our traffic to the outside world. We've been having intermittent problems with our internet connection so I wrote up a Python script to ping the internal interface of the router, the external…
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