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.
Questions tagged [juniper]
272 questions
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Does Juniper SSG 140 support BCP (Bridge Control Protocol)?
I can't find any resources about BCP(Bridge Control Protocol) with Juniper on the web, I'm currently using SSG 140, anyone know if it supports BCP?
Kesteve
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1 answer
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 add static route to route that outside interface…
Emre A
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4 answers
Export firewall rules on Juniper SSG-550
I'd like to export all the policies set up in my Juniper SSG-550 running JunOS 5.1 but i can't find any way to do so.
Preferably in an easy to parse format (csv would be great).
Problem is the firmware is awfully outdated and I only have access to…
Gumble
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2 answers
Netscreen-Remote Equivalent On Linux
We're running a simple Juniper VPN tunnel (using Juniper SSG5's) for outside-network access, which works great for Windows PCs since they can connect using the supplied Netscreen-Remote VPN client.
Has anyone successfully managed to get this working…
Mojah
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1 answer
Net Screen manager setup
I'm having an issue with our NSMExpress box. I'm trying to manage all our devices, range from ns5gt to ssg320m, and some of those devices have addresses assigned by dhcp from the ISP (like pppoe or dsl). The addresses are actually static but we…
Codezy
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How to troubleshoot LACP flapping interface triggered by layer 3 IP Address. (Juniper)
I am currently working on solving a network issue that has led to network outages across my organization. (I have included a picture of our simple topology below). Our network consists of a Router/Firewall [SRX340], 2x Access Switches [EX-2300], and…
nickcrv06
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An error on Junos model ex3300 ( VLAN error )
I'm trying to remove a VLAN from JUNOS and then I get this error
error: tag value 40 is being used by more than one vlan
and
error: configuration check-out failed
Is there any solution ?
Ibrahim Salah
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1 answer
Increasing MTU size
Why would increasing the VLAN MTU size cause things to break?
We have a customer who wants 2000 byte packets for some reason, so I increased all the physical links to 9216, which didn't cause any problems, but it didn't actually allow the 2000 byte…
abatie
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1 answer
vlan routing redirected by remote change?
We are replacing a Juniper EX4200 stack with a new EX3400 stack. During the migration, we setup a bridge link between the two so that things that hadn't migrated yet could talk to things that had. This worked well until we got down to the last…
abatie
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Freeradius doesn't start when CoS user attributes are configured
I have a problem with a POC, I tried use Freeradius for authentication purpose and assign attributes for users of a broadband network (PPPoE). When I configure the user with this parameters I can connect the PPPoE client in the network and the…
Pablo Xavier
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Juniper EX4200-48t LACP on 10GB module not working
I'm new to Juniper products and I bough two older EX4200-48t. I setup virtual chassis and add a few LAGs with LACP. All LAGs on copper connections works fine but on the 10GB module not. The module is part number 740-021309 (10GBASE-LR 10km 1310nm…
Alex
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3 answers
Light packet loss through router
I just recently got a fiber line installed into my office, and with the exception of an odd bit of trouble that we're having, things are working good, and the network response is really amazing.
The problem that we're having is that every once in a…
Matt Simmons
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Juniper MX traffic shaping - bypass rate limits for just a few destinations
The aforementioned MX router is a BRAS providing access for about 3,000 subscribers, using the 'dynamic-clients' functionality. Each subscriber demux interface gets assigned a specific firewall rate-limit filter according to their data plan. Most of…
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rsyslog logging based on sending host behind NAT
I have multiple Juniper devices behind one NAT'd IP sending their logs to a single host. On the wire the message looks like this:
Dec 4 07:38:31 tor-29-1: dot1xd[1585]: task_connect: task PNACAUTH./var/run/authd_control addr /var/run/authd_control:…
Dovid Bender
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Objects in firewall filters on Juniper devices
Greetings and sorry for my English.
I'm setting firewall filters on several Juniper SRX3xx appliances running Junos 15.1X49. What I'm actually trying to accomplish is to minimize my future manual labor in case I need to reconfigure some of the…
Fmy Oen
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