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A tag for questions involving Juniper Networks Operating System (Junos) software.

0
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1answer
46 views

Partially Faulty QSFP+ breakout port - possible config error?

Network Equipment: Juniper Ex4600, 40GbE QSFP+ -> 4x 10GbE SFP+ DAC cable, Mellanox ConnectX-2 Problem: One of the SFP+ physical link cannot be brought up (xe-0/0/25:0 Physical Link Down, xe-0/0/25:1,...
1
vote
1answer
25 views

Why the EX4300 continue the system halting?

Why the EX4300 continue the system halting? In the LCD, I press to the system halt, then it last this HALTING status a very long time. so far, there take 20+ minutes at least.
3
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0answers
30 views

mp_reach_nlri bgp Update with 4-byte Community ASN?

I am BGP peering with a Juniper OS router. When starting the connection, my system advertises 4-byte ASN capability, which is accepted by the Juniper router: Jul 28 00:33:00.664202 BGP RECV 4 Byte ...
1
vote
1answer
163 views

What's the meaning of `unit 0` and `family inet`?

In my JunOS configure mode, I show the interfaces: [edit] root@Olive# show interfaces em0 { unit 0 { family inet { address 192.168.47.2/24 } } } em1 { vlan-...
2
votes
1answer
19 views

How can I see the new changed configurations in the configure mode?

In JUNOS, and in the configure mode, I edited something, now if I want to quit the edit mode, how can I check what I have new changed? my questions are bellow: show the changed configurations(...
2
votes
1answer
28 views

ERROR: Package signature validation failed. Aborting install. When upgrade the JUNOS

My device is EX4300. I use the bellow command for upgrade the JUNOS version by: request system software add reboot /var/tmp/jinstall-ex-4300-14.1X53-D47.3-demostic-signed.tgz I get the bellow error:...
1
vote
0answers
29 views

cannot push the ios for juniper ex3300

I am trying to push the JUNOS image for a Juniper EX3300 from a TFTP server. First I set IP address, netmask and server IP, then I started the install. But it shows cannot open package(error 60) ...
0
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1answer
41 views

Which regex flavor is used in the Junos CLI?

I'm trying to do some regex matching in the Junos CLI, like show configuration | match "fancy.pants(reg|ex)". I especially want to look for word boundaries and other character classes. I'm used to \b, ...
2
votes
1answer
92 views

What's the purpose of JUNOS' sfid process?

In the last few days, one Juniper EX-2200-48P has started complaining via syslog: Jun 21 12:50:03 ex2200-b sfid[717]: TASK_OS_MEMHIGH: Using 52118 KB of memory, 103 percent of available After a ...
1
vote
1answer
34 views

How to show the MAC table for interfaces on a Junos Virtual Chassis member?

I'm using this command to show the MAC address table on a Juniper EX4500 series Virtual Chassis with 2 members: show ethernet-switching table The results show only interfaces for the Virtual ...
3
votes
2answers
81 views

Junos complex regular expressions question

I saw this explanation in the JNCIS study guide book ch1 (community regex examples) and i'm a bit confused: ^65000:.{2,3}$ - AS number is 65000, community value is any 2 or 3 digit number ex. 65000:...
3
votes
1answer
110 views

Juniper SRX 240 Routing Configuration

I am working with a Juniper SRX 240 as an aggregation routing device, it connects a Desktop (Workstation) environment over an access switch port to several (4) server environments behind Cisco Layer 2 ...
0
votes
0answers
22 views

What is the latest version of Junos that has been able to be install within the Olive environment

I was wondering if there are any notes/instructions on a ver 15.1 of Olive?
1
vote
1answer
68 views

How do you schedule traffic that exits via a bridge-domain?

I've got a single MX router connected to two physical interfaces on an SRX chassis cluster - each interface being a member of a reth interface. In order to make this work, on the MX side I have the ...
1
vote
1answer
44 views

CanI prevent a secondary DHCP server on the LAN from taking over from SRX Juniper's DHCP?

I have admin access to a SRX550 Juniper, but I cannot get help from Juniper or joint their boards because the Juniper belongs to Century Link, not us. I have the following: # show system services ...
6
votes
1answer
76 views

Can Junos show a matching config statement in context, like IOS `| section`?

Hard to describe what I'm asking. For example, here's a section of my config, with the full hierarchy: interfaces { ge-0/1/9 { vlan-tagging; unit 100 { description "my ...
4
votes
1answer
161 views

Configure Juniper Router Advertisements

I am currently setting up IPv6 on my network ran by a SRX-240H2 as router. Besides others the router as an internal interface configured as follows: [edit interfaces ge-0/0/4 unit 802] clb@srx01-av# ...
2
votes
1answer
68 views

Juniper JunOS routing issue in v15.1.49

I have a Cisco Nexus that has a few vlans on it - total network size is 172.26.64.0/20 split into /24 vlans - each using the third octet as the vlan ID. It's IP is 172.26.x.254 on each vlan as the ...
1
vote
0answers
181 views

2x Juniper SRX300 RETH interface on multiple interfaces [closed]

We have two SRX300 boxes in a chassis cluster. I have configured the RETH0 interface for WAN communication and assigned 1 port on the first unit and 1 port at the second unit. I have setup reth1 ...
3
votes
1answer
174 views

EVPN/VXLAN RD & RT

I was reading through this example on Juniper's EVPN/VXLAN documentation and I can't understand why I need two different Route-Distinguishers and Route-Targets. The RD & RT in the VRF instance is ...
2
votes
1answer
230 views

Setting a loopback/management address through a layer 2 trunk

We have two EX4200 switches in the following configuration: Router (.1)=====static route=====(.2) EX_01========trunk========EX_02 I want to configure a loopback or management interface on EX_02. ...
0
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0answers
75 views

add 2nd ip on linux box, juniper refuse to add to ARP

I have a juniper SRX340 running as default gateway, I have a linux server (virtual machine actually) running debian 8. juniper ip: 192.168.1.1 Debian ip: 192.168.1.101 (eth0) I would like to add ...
5
votes
2answers
105 views

Juniper: WakeOnLan over 802.1x without using default VLAN

Case We have a working 802.1x configuration on all our access ports. I want to enable WakeOnLan, but have no idea, how to target computers with Magic Packet. Tests We tried to send Magic Packet ...
3
votes
1answer
289 views

EX3300: Voice VLAN stopped working after upgrade to 15.1R6.7

We have 50+ Juniper EX3300 switches with access points configured to work with dot1x and voice vlan. We also have a variety of Yealink T23G, T42G, T26G and T48G phones that worked perfectly in our ...
2
votes
1answer
177 views

Difference between request system zerorize and load factory-default in Junos?

What is the difference between these commands? Whenever I use load factory-default, I notice that my root authentication passoword and ip addresses (if not everything else too) are STILL operational. ...
0
votes
1answer
85 views

My two Juniper J2320 Routers can't ping each other

FINALLY GOT IT TO WORK I have two J2320s connected by an Ethernet cable. The cable is connected to both in their ge-0/0/1 unit 0 interfaces. One is 192.168.2.5/24 and the other is 192.168.2.13/24 ...
6
votes
1answer
175 views

Juniper EX4600: multicast not working in vlan default. [closed]

I have a Juniper EX4600 switch which I'm using for host connectivity (obviously). Now I need to set up a VRRP/CARP between two hosts that are in the same vlan, and it's the default one. Surprisingly, ...
2
votes
1answer
240 views

Juniper SRX 1400: Policy to redirect users to custom URL

What I need I have SRX 1400 @ JUNOS 12.3X48-D40.5 Imagine having, among others, following zones: UNTRUSTED-CLIENTS, WORLD and INTRANET. I want to block all traffic from UNTRUSTED-CLIENTS to WORLD, ...
1
vote
1answer
141 views

SIP alg on juniper SRX100H2

I'm not sure how the SIP alg on juniper works, but I guess its reading traffic on port 5060 to read sip signaling. We have just changed to an other operator who dont use the standard sip port (5060) ...
0
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1answer
117 views

Juniper Switch - Enabling Ports?

I have a Juniper EX2200-C switch that I am trying to setup and running into issues with. Unfortunately the Juniper website is not much help. I've managed to setup the device's root login and enabled ...
4
votes
1answer
1k views

show mac address on aggregated interface - Junos

I am trying to audit which interfaces are plugged to which switchport on our EX3300 switches. The problem is that when using aggregated interface I see only one mac address. wadmin@SIN11-VCsw-48-11&...
0
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0answers
231 views

How to access Dynamic VPN from window - SRX300 IPSec

Could you please guide me how to connect to IPSec dynamic VPN in SRX300 from window ? I try to use Juniper Networks Junos Pulse from the default window vpn setting but it doesn't work and the result ...
2
votes
1answer
583 views

what command will show my zone address books?

# show security address-book displays the global address books. But I have no global address books I have zone address books. Is there no show command that displays this? I can see it in the GUI: I ...
1
vote
0answers
255 views

Interface is up, but wan interface ip not pinging?

I have Juniper ACX-2200 router , i have assigned an ip address to the vlan tagged to ge-0/1/2 interface , and interface status is up, but self wan interface ip not pinging , ip won't even show up in ...
1
vote
1answer
134 views

How do i clear icmp statistics (JUNOS)

I run a rapid ping and then run show system statistics icmp I want to run another ping test but how do I clear out the old stats? clear interfaces statistics all does not clear out the icmp stats
0
votes
1answer
581 views

How to configure L2TP Client on Juniper SRX?

I have an Juniper SRX 100, running JunOS 12.1X46-D66. I would like to use it to route all Internet traffic through an L2TP tunnel to an ISP called Andrews and Arnold, who offer this as a service. ...
1
vote
1answer
293 views

vSRX : several public addresses on loopback interface

I have an issue when I try to configure several ip addresses on the loopback interface on a vSRX cluster. Here is my setup (in gns3) : vSRX-1 and 2 are in cluster mode. VyOS-1 and 2 are BGP routers ...
0
votes
1answer
91 views

What's the proper way to route a subnet through an OSPF area?

To make the example as simple as possible. We have an OSPF area setup so that if one link fails or gets congested, traffic will reroute through the other. Is there a way to have traffic pass from ...
0
votes
1answer
253 views

Linux LACP (802.3ad) working for ingress traffic only?

We've setup LACP (802.3ad) on our Juniper switch and a Linux host, connected to the switch with 3x 1Gbps links. We are able to download from multiple sources at a rate of 3 Gbps, but when uploading ...
0
votes
2answers
642 views

Juniper EX how to clear route forwarding table?

After layer 3 routing a large IPv6 assignment on an EX Juniper switch, the route forwarding table filled up and some entries corrupted or became otherwise invalid. We want to clear the whole table. ...
3
votes
1answer
449 views

Juniper ARP table max limit

I'm running EX3300-48T - Junos-12.3R11.2. After binding multiple /24s on multiple vlans on the same switch, Started to notice that the newly and the old assigned IPs are not pinging on multiple ...
2
votes
1answer
77 views

MX80 Subscriber Management IP profile only active for stacked VLANs

I have configured subscriber management on an interface on my MX80 router. Both single and dual-stacked customers can be assigned (an) IP-address(es). For this I have created two dynamic VLAN ...
2
votes
1answer
587 views

How to connect two Juniper gns3 with fastethernet?

I need to connect two Juniper routers with fastethernet interface. When I am connected by em0, I can check the connection between them by ping. But when I tried to set fe-0/0/0 in two routers, I can't ...
4
votes
1answer
129 views

How to test an IP against a prefix list on JUNOS CLI

One can find routes matching an IP using show route 192.0.2.123. What is the equivalent way to find matching prefixes, if any, in a long prefix list? ... to determine quickly and conclusively whether ...
0
votes
1answer
180 views

Which one of juniper routers image gives me this option (GNS3)?

I need to create the same network with cisco and juniper routers. I find tutorial to cisco. When i clicked on configuration in cisco router i have a lot of options for example WICs, its emulated by ...
1
vote
1answer
226 views

How do I update a 2nd hand bought Juniper SRX240

I bought a used SRX240 on ebay to learn a bit about it (and use it as a home router). Upon starting it seems it has a very old firmware, so I wanted to update it. So I created an account on juniper....
2
votes
1answer
336 views

Why do some QSFP+ not allow breakouts? Shouldn't all MTP QSFP allow -> 40G QSFP+ to 4x10G SFP+?

I am trying to better understand how the channels in QSFP+ operate. I have recently run into issues with Juniper QFX-QSFP-40G-ESR4 and QFX-QSFP-40G-SR4 where they are not allowing me to channelize the ...
2
votes
3answers
254 views

Juniper Dynamic Subscriber Management Traffic Policing

I've managed to get QinQ subscriber management working. Now I want to shape / police both VLAN connections. As a test I have configured this: DYNINTF-STACKED-KANTOOR-TEST { interfaces { "$...
2
votes
2answers
54 views

Juniper EX uplink module for access downlinks

We have a Juniper EX-4200 (1Gbps downlinks) with the SFP+ uplink module. The switch is connected to our providers via 10x aggregated 1Gbps ports (ge-0/0/0 to ge-0/0/9). Can we connect a server to the ...
2
votes
1answer
264 views

How to get multiple uplinks on Juniper EX switch to work?

We have a Juniper EX4200. Ports 0, 2, 4 and 6 are connected to another Juniper switch. These ports are our network uplinks. All other ports are connected to our servers. We want traffic to use all 4 ...