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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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 ...
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2answers
1k views

SNMP not working on Juniper ethernet switch

I need some help on configuring SNMP for Juniper EX4500 ethernet switch. I am performing this command: host1:~# snmpwalk -v 2c -c my_community_string 192.168.1.1 .1 Timeout: No Response from ...
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1answer
881 views

Junos: find out each interface's ip

Sorry if my explanation is confusing. I need to get all the ip addresses of a Juniper Switch and Router (different models). On Cisco IOS I can get that with show ip interface brief | exclude ...
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1answer
148 views

Redistribution of iBGP learned routes to all routers?

I am trying to accommodate for a link failure between LB1 (a Linux machine running Quagga) and either PAT1 or PAT2 (Juniper MX80 routers). The following diagram is a canonical version of my network ...
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0answers
614 views

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 ...
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3answers
789 views

Juniper OSPF subnet mismatch from Quagga router

I am trying to setup a OSPF area between a Juniper MX80 and a Quagga router. The Quagga router has OSPF configured and network 199.192.100.0/28 advertised in the hello packet. But the Juniper MX80 is ...
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1answer
1k views

DNS Server resolves external address,when vpn dns should resolve internal address

We have a special situation where Juniper Network Connect is used as VPN connection. When the VPN starts it creates the network adapter. When the vpn closes the network adapter disappears. Each time ...
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3answers
296 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
116 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 ...
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0answers
926 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 ...
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0answers
314 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 ...
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1answer
154 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 ...
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1answer
1k 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 ...
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1answer
630 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 ...
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1answer
952 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 ...
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2answers
8k 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 ...
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1answer
102 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
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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 ...
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1answer
353 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
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1answer
107 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 ...
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1answer
981 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 ...
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1answer
452 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 ...
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1answer
519 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 ...
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2answers
2k 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. ![enter image description here][1] I have two PC's that I am using PC1 - (used for configuring the 6 ...
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1answer
963 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 ...
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1answer
224 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
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2answers
738 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 ...
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1answer
387 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
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1answer
3k 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 ...
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1answer
614 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 ...
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1answer
554 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 ...
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2answers
193 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.
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2answers
698 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 ...
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1answer
170 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?
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0answers
1k 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
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1answer
1k 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 ...
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2answers
941 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 ...
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1answer
2k 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 ...
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0answers
221 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. ...
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2answers
511 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] ...
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1answer
207 views

juniper: j2320 vs ex3200

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): ...
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1answer
4k 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 ...
0
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1answer
255 views

Juniper NetScreen Policy for intra-vpn

I have Netscreen25 and three networks ( zones ): central, branch office, dial-up vpn, IPs in central network are in 10.0.0.0/24 range, branch office in 10.0.10.0/24 range and dial-up vpn in ...
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3answers
346 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?
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2answers
489 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
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2answers
1k 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 ...
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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 ...
5
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1answer
598 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 ...
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0answers
499 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 ...
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1answer
150 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 ...