Questions tagged [juniper-mx]

For questions about or involving the Juniper MX series routers. For instance, the Juniper MX10, MX80, MX204 etc.

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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?
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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/...
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29 views

NTP Sync issues between Palo Alto 3260 and Juniper MX10003

I'm using a Microsemi S650 as the primary ntp server and a Juniper MX10003 as the secondary ntp server. I have the palo alto 3260 configured as follows: [edit deviceconfig system ntp-servers] ...
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1answer
274 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; } ...
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1answer
37 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 ...
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1answer
27 views

Juniper vMX logical system

Can some one please tell that Juniper vMX supports how many logical system? Some one mentioned on Juniper forum that it supports 15 Logical systems but in case of 3 Logical systems configured , 2 were ...
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1answer
165 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 ...
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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 ...
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71 views

Juniper MX80 as layer3 dhcp server

I have this config: set dynamic-profiles CLIENTS-IPoE interfaces demux0 unit "$junos-interface-unit" no-traps set dynamic-profiles CLIENTS-IPoE interfaces demux0 unit "$junos-interface-unit" proxy-...
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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; ...
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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/...
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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: ...
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2answers
58 views

Understanding the IS-IS wide metric style for Traffic Engineering in Juniper MX

Can someone please explain why do we need to enable 'wide-metric' for IS-IS if we are going to enable MPLS Traffic engineering on Juniper MX routers? I mean what does traffic engineering has to do ...
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156 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.
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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 ...
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1answer
247 views

My Juniper Router arp do not work, after clear MAC then it can work

In my MX Juniper router device, there have the IP 16.213.40.1's address: {master} admin@juniperMX> show arp no-resolve | ...
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1answer
401 views

Juniper MX: Leaking routes from RIB into VRF

Aim We have a firewall terminating IPSec VPNs to AWS. These are used in the event of failure of a pair of AWS Direct Connects. Currently, the VPNs are routed to AWS over the same Direct Connects ...
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0answers
68 views

How to verify that 'chained-composite-next-hop' knob is working on Juniper MX

We have to enable 'chained-composite-next-hop' on Juniper MX series routes in our network. We have already enabled knob 'enhanced-ip' on MX series. Is the knob 'chained-composite-next-hop' enabled by ...
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1answer
118 views

Rate Limit on Main Aggregated Interface (AE) without applying on Unit Level in Juniper MX

I want to apply rate limit on Main Aggregated Interface (AE) without applying on unit level. We have a customer connected with our Juniper MX480 via 100G Interface. The single 100G interface is a part ...
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0answers
185 views

Memory Utilization inceased on Routing Engine in Juniper MX

We recently faced high memory utilization on primary RE of Juniper MX. I have attached graph of Memory Utilization . It was as a result for copying some files from Backup RE to Primary RE (This is ...
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2answers
164 views

Junos[MX]: How to show VPLS instance associated with given subinterface

Suppose I have a subinterface with Vlan-vpls encapsulation, like this one: admin@router> show configuration interfaces ge-2/1/1 flexible-vlan-tagging; encapsulation flexible-ethernet-services; ...
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1answer
114 views

RSVP bandwidth value configuration in Juniper MX

Can someone please explain is it a good practice to change RSVP bandwidth value of an interface? We have two bundle links between R1 and R2 namely ae13 and ae22 . Both R1 and R2 are Juniper MX ...
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243 views

IS-IS Interface Metric/Cost Calculation Issue in Juniper MX

I am facing a very strange issue with regard to IS-IS Interface Metric / Cost calculation in Juniper MX. We have configured a reference bandwidth of 1000G on all routers.This by definition means an ae ...
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1answer
76 views

Juniper MX/SRX series interface monitoring command

Good morning all, I was curious due to an issue were currently troubleshooting in our environment if there is a command in Juniper that will allow us to determine the utilization percentage of an ...
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1answer
431 views

Rate-limiting policer on aggregated ethernet (AE) bundle

I am facing problem regarding firewall policier on Juniper MX platform. We have bundle link (AE Link) consisting of 2 x 10G links on which P2P IP is configured with customer for internet access. Now ...
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1answer
96 views

Is it possible to do layer 2 port mirroring for family inet/inet6 interfaces in Juniper MX series routers?

I have connected two logical systems using logical tunnels like this: [edit] root@mx1# show logical-systems r1 interfaces lt-0/0/10 unit 10 encapsulation ethernet; peer-unit 80; family inet { ...
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239 views

Do Juniper MX-series routers support per-interface jFlow/IPFIX sampling rate?

Do Juniper MX-series routers support per-interface jFlow/IPFIX sampling? For example, input sampling rate for xe-0/0/1 is one of 100 and input sampling rate for xe-0/0/2 interface is one of 500. I ...
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2answers
323 views

Issues with Juniper MX-series iBGP routes

I have a simple setup: 2x Juniper MX-Series routers each having one uplink to a transit provider iBGP session between both routers (point-to-point) For testing purposes I've disabled the uplink from ...
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1answer
939 views

DHCP relay on Juniper MX

Hi I got a problem with bootp relay on a juniper router(s). I got helpers bootp interface configured with: irb.10 broadcast server 10.20.1.10 server 10.20.1.11 theres several irb ...
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1answer
248 views

Config BGP policy for limit ISP path in Juniper MX 480 Router

Now we have a source IP14.135.4.0/24, we are involved in 5 different ISP, such as A, B, C, D, E. Now we want to access 14.135.4.0/24 not through the path of ISP B and ISP D, but through the other ...
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1answer
158 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 ...
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1answer
105 views

Juniper MX device not responding

Juniper MX-5. Power is on, lights are on, but device not responding. Console port not responding or displaying any output. Management port not accessible. When you restart the device no output is ...
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1answer
1k views

Juniper MX - vlan-ccc double tagged to untagged

On an interface to a customer of ours we configured double tagging. This interface is encapsulated with vlan-ccc because it is used in a l2circuit neighbor configuration. My question is: how can this ...
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1answer
118 views

What are the uses of clocking and timing ports on Juniper routers

There are 4 ports each named "Ext Ref clock", "TOD", "1PPS", "10Mhz" on MX104. I understand what each stands for and have vague idea of each after googling but what are they used for in real world?
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2k views

Gig interface in vMX

can you please help me on how to convert the em interface to gig interface in the vMX, i am trying to assign interface to vrf and the em is not support. thanks in advance.
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0answers
504 views

Logical-Tunnel Interface Juniper MX 480 doesn't “work”

I have configured a logical tunnel between my master-routing-instance and a additional routing-instance. I tested the same config (except IP addresses) on my lab-system and on one of our other core-...
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1answer
879 views

Need help with PPPoE Subscriber Management on a MX80

I've been working with Subscriber Management using DHCP and a FreeRadius server and have been quite successful. Of course, once my company heard that it is possible for customers to bring their public ...
2
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1answer
545 views

Juniper MX Radius server configuration: No authentication-server list configured

On an MX router I have configured a DHCP server and radius server authentication. Unfortunately, it is not working yet. On another MX router I have configured the same configuration and that it ...
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1answer
847 views

Segment routing with JUNOS MX routers [closed]

I'm trying to configure segment-routing with Juniper MX routers. but i can not find much documentation related with that. if anyone have configuration guide i ll be appreciate. thanks.
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1answer
615 views

Juniper MX snmp oid for static route

Hoping someone has an oid to poll (get/walk) an MX router to retrieve configured static route information and next-hop? Searched MIBs and mib walks on router to no avail. Thanks!
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2answers
2k views

MCLag active-active and VRRP

I have a pair of Juniper routers each one having drops from ISP. We advertise same IP blocks from both the routers on WAN interface. Now on the Lan side, we have pair of HP core switch running IRF ...
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1answer
2k views

set advertised route on Juniper

I would like to understand where advertised route are set in JunOS. For example, in OpenBGPd it's easy, you simply set "network 1.2.3.0/24". What is the equivalent in JunOS ? I didn't find anything ...
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4answers
6k views

Is Olive the same as vMX?

In the past I spun up JunOS Olive in my home lab to learn JunOS. But it looks like Juniper has something called vMX. Is this comparable to vMX? Obviously its not free, but for learning purposes (...
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2answers
6k views

How to view old Log messages on Junos

I am currently trying to trace the syslogs on Junos I ran the "show log" command and the resulting messages I see don't contain that for the date I wish to check. I even ran the command "show log ...
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1answer
3k views

Alarm: CB 2 Fabric Chip 1 Not Online

I am running MX960 for a while now, and I see the minor alarms. Please can someone help on how to clear them? 3 alarms currently active Alarm time Class Description 2015-07-13 03:22:54 WAT Minor CB ...
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2answers
251 views

Measuring route processing time

I want to feed a Juniper router a set of routes via BGP and measure how long it takes the router to process them, including time spent on prefix filters and RPKI origin validation. Cisco IOS XR ...
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1answer
550 views

understand the terminology for packet forwarding engine in Juniper routers

Is it correct to say that packet forwarding engines for MX960 series are DPC, DPCE, MPC, etc? And all those DPC, DPCE, etc cards actually include one or more packet forwarding engines? So in similar ...
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1answer
649 views

Juniper MX80 drops generated (TCP?) packets

In my lab network I have a Juniper MX 80 configured as MPLS router. On one site there is a customer connected (simulated by a single PC) and on the other side is an MPLS network. I use tcpreplay to ...
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1answer
2k views

What are the virtual router capabilities of Juniper QFX5100 and MX480? [closed]

1) How many virtual routers can be created on a Juniper QFX5100? 2) How many virtual route forwards (VRFs) can be created on a Juniper MX480? 3) What is the difference between FPC, MPC, SPC and NPC? ...
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2answers
3k views

Why are my equal cost LSP's not load balancing equally when using auto-bandwidth?

First, I'm adding this question and answering myself because this type of behavior was absolutely no where to be found, hopefully it will help someone. Problem: We use auto bandwidth to handle the ...