Tagged Questions

Junos Network Operating System

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1
vote
2answers
75 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 ...
1
vote
0answers
58 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 { ...
1
vote
0answers
64 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. ...
-2
votes
1answer
155 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 ...
2
votes
1answer
828 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.
0
votes
0answers
159 views

Regarding traffic shaping on juniper SRX550

We have implemented the Juniper SRX550 in our company. Now we have one issue that how to restrict the internal user download speed from internet. Take one example that i want to restrict the end ...
1
vote
0answers
165 views

How to have JunOS to learn IPv6 default route from RA?

All is in the title, I'd like to have a JunOS learning it's IPv6 default route (and eventually addresse) from the internet connected router making RA, like an end-user computer, is this possible ? I ...
2
votes
0answers
46 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
votes
1answer
141 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 ...
0
votes
1answer
268 views

JunOS Regular Expressions for AS Path

I want to write a regex in Juniper MX960 router for BGP including 3 AS paths with first element is constant, second and third are wildcard. I found that we can put as numbers manually like this: ...
1
vote
0answers
122 views

Keepalived, Junos, and ARP caching

I'm trying to configure an active-passive stunnel setup, with the aid of Keepalived, for a public IP address at our company datacenter. I would like to know if a router or switch reconfiguration is ...
1
vote
1answer
70 views

Junos Routes - Route Specificity vs Protocol

I am trying to load balance a router to send traffic over two uplinks (with equal capacity). I generated static routes for every /8 on the internet (for ipv4) and plugged it in. Unfortunately it does ...
0
votes
2answers
134 views

Juniper Router - Load Balancing

I have a single Juniper router which is connected to multiple external ASs. I am looking to load balancing for best way to automatically move traffic away from one link the others (without hardcoded ...
1
vote
1answer
375 views

How do I span my WAN subnet to my L3 switch using SonicOS L2 bridge mode? (Sonicwall and JunOS)

I have two sets of ESXi hosts, one set for management and one for tenants. Each ESXi host has 8 nics and four vSwitches. All vSwitches are trunked via aggregated interfaces to a pair of EX in VC mode. ...
1
vote
1answer
783 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 ...
0
votes
1answer
142 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 ...
0
votes
2answers
111 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 ...
0
votes
1answer
348 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
495 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
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 ...
3
votes
1answer
918 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
215 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
694 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 ...
0
votes
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 ...
0
votes
1answer
563 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 ...
2
votes
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 ...
3
votes
2answers
883 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
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 ...
1
vote
1answer
83 views

Setting a Custom SBL in Junos UTM

I am looking for how to set a custom SBL, zen.spamhaus.org instead of the default msgsecurity.juniper.net, in Junos UTM.
0
votes
1answer
658 views

How can I disable console password-authentication on a Juniper EX4500 switch?

I am building a system that automatically configures Juniper and Cisco switches from the console based on user input from a web UI. I will have a full-time console connection to these devices; ...
1
vote
1answer
179 views

Is there an equivalent of Cisco IOS' virtual tunnel interfaces in Juniper's JUNOS?

It sounds like Cicso's virtual tunnel interfaces let you run dynamic routing protocols over IPSEC tunnels without GRE (see here). I was wondering if there was an equivalent in Juniper's JUNOS. I ...
0
votes
2answers
466 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 ...
1
vote
1answer
332 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
2k 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 ...
0
votes
1answer
1k views

Why is my JunOS firewall filter cutting off management access?

We've recently installed a second Internet connection so I've somewhat successfully configured policy based routing on the edge router which is a Juniper J4350 running JunOS 9.5R1.8. I followed a ...
1
vote
1answer
425 views

SIP ( Asterisk ) CoS solutions with no VLAN's?

I have a Asterisk box actually two running pure asterisk. No GUI i.e. FreePBX, TL etc. The asterisk box is connected to a an EX4200 VC Stack, the EX4200's then connect to our headquarters via a Qwest ...
0
votes
2answers
1k views

How to change the 'internal IP address' of a Juniper SRX210H

How do I change the 'internal IP address' (Not the WAN IP) (192.168.1.1) to something else via the 'Juniper Web Device Manager'? Thanks!
9
votes
1answer
375 views

Simple Multicast Design

In order to support desktop imaging requirements I need to correct the multicast design on an existing network, but am not well versed in this subject. The diagram below gives a basic example of the ...
0
votes
1answer
414 views

Multicast NAT on Juniper router

I am trying to do source NAT on a J-series router (junos 9.2). I have two separate NAT rules setup (using security policies + source-nat interface). One is for regular unicast TCP connections and the ...
1
vote
1answer
124 views

IOS traffic-export equivalent for Junos

In IOS the traffic-export command allows you to take incoming packets and send them, unaltered, to a specific interface. Is there an equivalent way to do this in Junos? I've got a J-series 2350 here. ...
0
votes
1answer
358 views

Arp tries on various *nix based systems

Does anyone know what determines the amount of arp tries a router will make? I have different behaviors with two devices, if I try to traceroute to a non-existent host on a subnet that belongs to an ...
1
vote
1answer
532 views

CISCO pix/asa Shun command equivalent on Junos

does any one knows if there is some equivalent of the shun command on Juniper Junos OS? The shun command on the ASA Firewall appliance is used to block connections from an attacking host. Packets ...
0
votes
1answer
103 views

Junos custom-attack signature pattern syntax

I am stuck at a point with the configuration of a custom-attack signature in Junos. According to the Junos Custom Attack Definition documentation page, I can set up a custom attack based upon a ...
2
votes
4answers
481 views

JUNOS firewall issues

I am in the process of trying to setup a Juniper SRX240. I have been using the screenOS firewalls for sometime and having some difficulty adjusting.I haven't quickly been able to find a way to do in ...
2
votes
4answers
2k views

Can I use Third Party Compact Flash in a Juniper M10i Router?

Juniper list price for 1GB of CF is around 100 times what I would expect to pay for a third party card. The J-Series release notes have a list of supported third party parts, but there is no ...