Questions tagged [juniper]

A tag for questions involving Juniper Networks hardware or software.

Filter by
Sorted by
Tagged with
0
votes
1answer
14 views

juniper router /var directory is full , deleting .tgz file in root directory

i need to free some space on my juniper router , in the root directory when i use >ls -lash command i see a .tgz file which is 405 M , my question , if i delete this will it cause any problem ?
0
votes
1answer
11 views

Juniper MX: NTP broadcast on two VRFs with the same addressing

In Juniper, NTP broadcast is set at system level, so two VRFs cannot use the same addressing and use NTP broadcast at the same time. Is there any alternative?
0
votes
0answers
14 views

Juniper MX - ERPS over MPLS CCC or VPLS

I wonder if there is a possibility to implement an ERPS Ring over a few Juniper MX nodes that are interconnected via MPLS only? The only idea i have to configure this is using lt - interfaces with a ...
1
vote
1answer
46 views

What are the differences between injecting the default route to IGP using a static route or using a generated route?

Let's say, that I have a following network topology: isp_router[t1-0/0/0.0] <-> [t1-0/0/0.0]ospf_asbr I want to generate a default route for IGP in ospf_asbr router. One option would be a ...
0
votes
1answer
35 views

JunOS: How to copy the config file to TFTP server?

Model: j6350 JUNOS Software Release [12.1X46-D65.4] Is there an easy way to copy the config file to TFTP?
2
votes
1answer
67 views

How does ISIS find a next hop address for a prefix learned by ISIS?

I have two Juniper routers connected like this: r1[ge-0/0/2] <-> [ge-0/0/3]r2 Both ge-0/0/2 in r1 and ge-0/0/3 in r2 do not have a family inet configured: root@r1> show interfaces ge-0/0/2 ...
0
votes
1answer
66 views

Can't log in after admin password change

I reset my admin password with below command: #Set system login user admin authentication encrypted-password <new password> But now i can't login to my device, what can be the reason?
0
votes
0answers
22 views

Does Junos convert routing policy into binary tree?

Let's say, that there is a following simply route policy in Juniper router: root@vmx> show policy test Policy test: Term 1: from route filter: 10.10.10.7/...
0
votes
2answers
38 views

How can I tell which prefixes are being advertised?

Forgive me if this is a dumb question but I'm relatively new to the carrier networking world. We own a block of IP addresses, say a /18 and we advertise various /20s, /24s, /23s, etc all over the ...
1
vote
1answer
23 views

How to verify the traffic forwarding class in Junos if it is set by firewall filter?

I have a firewall filter below which puts the ICMP traffic to assured-forwarding class if the bandwidth threshold is not exceeded: root@vmx> show configuration firewall filter example | display ...
2
votes
2answers
45 views

rpd random path selection does not work in Juniper vMX

I read a Junos documentation which said that: In case of equal-cost paths for the same destination, the routing protocol daemon(rpd) randomly selects one of the available paths to balance load, while ...
0
votes
1answer
37 views

split detection virtual chassis

i'm studying juniper virtual chassis and i've lab with following: can someone explain how split detection works in juniper? "no-split-detection" is configured on every virtual chassis(Ex3300,Ex3400)...
1
vote
1answer
275 views

Configure jflow v5 get error: interface-name: 'xxx': Must be a services interface

friends: When I configure the jflow v5 on my MX-480: ===== admin@USA-MX-RE0# show forwarding-options sampling instance { MONITOR-FLOW { input { rate 1000; } ...
1
vote
1answer
41 views

Activating the NEBS Compliance SFP on Juniper MX disabled due to Ambient Temperature Exceeded

We have faced an issue on Juniper MX960 that some SFPs (10G Optics) were disabled due to ambient temperature exceeded. This was observed in the syslog messages on MX. However after the physical ...
0
votes
0answers
21 views

Shaper configuration for Juniper MX480 - MPC3e 3D NG

following secario: A MX480 with MPC3e 3D NG Linecards. I have a new Layer2 Access provider that is providing Layer2 services between 100 and 1000MBit/s. My connection zu this services are a 10GE E-...
0
votes
0answers
59 views

Connecting layer 3 switches together without trunking

I currently have 2x Juniper EX4200 and I'm looking into changing it into Ubiquiti EdgeSwitchs. The diagram: SW01 and SW02 are connected to each other using OSPF P2P. Both of the switches have their ...
1
vote
1answer
50 views

VLANS - Layer 2 vs Layer 3 Juniper & Netgate/PfSense

I am working on setting up VLANS on a basically default switch configuration for my SMB network. They have 5 juniper ex2200 switches that are all on the same subnet and have only a default vlan. I ...
0
votes
1answer
171 views

JunOS: FPC Major error alarm

I hope everyone is doing fine! This morning I've run into a problem. My uplink interface went down for unknown reasons. Upon checking system alarms I see this: show system alarms 1 alarms currently ...
1
vote
2answers
229 views

How to choose the most recommended Junos release for MX router

How to choose the most recommended Junos release for MX router? I need to choose a Junos OS release to update my Juniper MX960 routers from release 18.1R3, but I cannot find a procedure or best ...
0
votes
0answers
40 views

Juniper MX Routing Engine Firewall Filter

I'm having difficulties with something I initially thought would be rather simple. I need to apply an outbound firewall filter on an MX10003's management interface. I'm currently using Lo0.0 as the ...
0
votes
1answer
48 views

Managing a Juniper EX4300 In Band

Currently, our ex4300 are managed in band using irb.20. show configuration interfaces irb unit 20 { family inet6 { address 2001:db8:1::252/64; show configuration routing-options rib inet6.0 {...
0
votes
0answers
53 views

How to configure the jflow correctly in my juniper router?

I configured the jFlow sampling in Juniper MX480: but in my receive data server, there is no data received: and when I use Paessler Netflow Tester test it, there cannot use 14.224.224.253: Whether ...
-1
votes
2answers
51 views

What's the inline monitoring?

What's the inline monitoring? I searched wikipedia and google but do not find the meaning of inline monitoring for network. who can tell me the definition of it? I can get the definition of passive ...
2
votes
1answer
42 views

If accept IP address term before discard port term, will the IP's port still be discard?

In my Juniper Router MX480's firewall filter DENY-EMAIL-PORT: dele@MX-RE0# show firewall filter DENY-EMAIL-PORT term ALLOW-IP { from { address { 102.100.100.1/32; ...
2
votes
0answers
32 views

CA certificate and Local certificate

There is something which is bothering me when i think about the CA cert and Local cert. Below are my queries which pertains to juniper but may be generic as well. 1) "request security pki ca-...
1
vote
1answer
140 views

Static ARP entry on MC-LAG ICL Link in Juniper MX routers

Can someone please explain in detail why we need to setup static arp entry on each MC-LAG peer. This is mentioned below in Juniper Documenttation https://www.juniper.net/documentation/en_US/junos/...
1
vote
1answer
64 views

Will the router crash when it is sent routes that it can't design to hold?

I am working with a Juniper router which has the capacity to hold 60M routes in the RIB and 4M routes in the FIB. Should the router crash when more than 4M routes are being sent to FIB, considering no ...
3
votes
1answer
60 views

Juniper Physical Interface Damping Operation

I'm currently looking at physical interface damping on Juniper MX. Fun Fact: Nowhere on this site is it mentioned that the penalty added per interface down event is 1000. Currently testing this: ...
3
votes
2answers
72 views

How can I capture application layer packages using `monitor traffic`?

In my Juniper MX480 , when I use monitor traffic ae16.327 no-resolve, I only get arp packages: 10:19:51.819444 Out arp who-has 109.25.6.5 tell 109.25.6.6 10:19:52.531849 Out arp who-has 109.25.6.4 ...
1
vote
2answers
54 views

Applying WAN Changes to Juniper Chassis Cluster

I have a Juniper SRX 340 in a chassis cluster state. I am looking to change the WAN IPs used by the firewalls as the ISPs will change. I have GE interfaces that have sub interfaces within them 1,2,20,...
0
votes
2answers
133 views

How can I monitor traffic matching a IP address?

I see this article: user@host> monitor traffic matching “port 22” no-resolve there can matching a port and I can matching arp too: user@host> monitor traffic matching “arp” no-resolve but, ...
1
vote
1answer
55 views

Multiple Queues having same Priority in Scheduler of Juniper CoS Implementation

I have confusion regarding Juniper CoS. In Juniper CoS , when we define scheduler we can mention the queue priority to that forwarding class like strict high , high , medium low etc which effects the ...
3
votes
2answers
248 views

What's the difference between “show arp no-resolve” and “show arp” in Juniper?

What's the difference between show arp no-resolve and show arp? If I add the no-resolve, what's the difference of it?
0
votes
2answers
157 views

Deny ssh access from CPEs in all routing-instance - Juniper MX960

I try to deny ssh access from routing-instance CPEs in Juniper MX960 device. I want to know if there is a way to deny only ssh access attempt from any routing-instance.
3
votes
1answer
65 views

Does Juniper have an equivalent of 'show security pki local-certificate' for remote certificates?

On a Juniper Firewall, the command show security pki local-certificate will give all sorts of detail for a local certificate. (The sort of certificate you would use to stand up an IKE connection) My ...
1
vote
1answer
57 views

ex4200 bootup warning

we have some old juniper ex4200 in our stock and it shows following warning in console : --- JUNOS 12.3R3.4 built 2013-06-14 00:08:02 UTC *************************************************************...
3
votes
1answer
275 views

juniper vlan-ccc vs ethernet-ccc for eompls

In juniper ethernet-ccc transports customer's vlan end to end. Does vlan-ccc also transport customer's vlan across as well? thanks.
0
votes
1answer
289 views

Juniper EX2300 QinQ questions

I am trying to set up a Q in Q environment with EX2300(ELS). Unfortunately, I receive the error message down below when I enter commit check [edit interfaces ge-0/0/0] 'unit 0' VLAN-ID must be ...
1
vote
2answers
248 views

Juniper SSG20, reset to factory default

I have an Juniper SSG20 that I have tried to reset to factory default. I have tried the pin hole reset method but to no avail, and the serial console doesn't indicate that the procedure is started, ...
0
votes
1answer
81 views

Junos, accidentally deleted a FIB entry, how to re-add?

while i was testing Junos in a virtual environment, i accidentally deleted an entry in the forwarding base (do not clearly remember which command i used to let that happen), but because of this the ...
1
vote
1answer
43 views

Why the `policy-options prefix-list` do not shows hierarchy?

Why the policy-options prefix-list do not shows hierarchy? In a Juniper Router, I show policy-options, there shows: prefix-list snmp-permit { 1.1.1.0/24; } prefix-list icmp-permit { 2.2.2....
1
vote
1answer
39 views

Where the `term` and `policer` would appear?

Where the term and policer would appear? In juniper, there have filter, term and policer. I know the filter is under firewall, but how about the term and policer? how to understand the concept? I ...
0
votes
0answers
89 views

How to analysis the below situation, is the too many switch trunk connect caused this issue?

I have two Juniper EX switches, and the Juniper-EX-01(ge-0/1/1) connected to the Juniper-EX-02(ge-0/1/0). I want to check is there any optical attenuation problem, or other link errors. admin@...
1
vote
1answer
863 views

How to show a Juniper interface bandwidth usage?

I want to check a Juniper Switch's port bandwidth usage. I tried show interfaces, but there is no current bandwidth condition: admin@Juniper-ex3300-48t# run show interfaces ge-0/1/1 Physical ...
3
votes
1answer
151 views

How to bypass when network speed over a special number in Juniper?

I have a requirement, such as I have 113.100.15.0/24 segment IP addresses. in Juniper M480 Router I connected to BGP-A(1G) and BGP-B(10G), by default the 113.100.15.0/24 out the Router it go ...
1
vote
1answer
887 views

what do em0, em1, em2 and em3 interfaces refer to on Juniper routers

Can someone explain what these interfaces are for? I know em0 is used as a management interface on the router to connect via ssh but why are the other two there? I have also noticed, sometimes they ...
2
votes
1answer
115 views

Ip telephone being not served by DHCP

I have a DHCP configured on juniper router srx345 and an external DHCP runing on win machine and configured by telephony ppl. I'm using an IP tel Astra i740N when I send DHCP request to DHCP ...
0
votes
2answers
295 views

There have uncommitted changes, but `show | compare` do not show it

There have uncommitted changes, but show | compare do not show it. {master}[edit] un@HK-MX-RE0# exit ...
0
votes
1answer
175 views

Juniper SRX 340 configuration import/export

Good morning, I have a Juniper SRX 340 Cluster (15.1X49-D70.3) in a professional environment, and a third firewall (same model) that I'd like to use as a test firewall. Is there any simple way to ...
0
votes
1answer
64 views

Juniper Ex4200 problem with assign firewall to access port

This is my firewall filter rules : family ethernet-switching { filter port5 { term port5 { from { source-address { 192.168.1.0/29; ...

1
2 3 4 5
9