Questions tagged [juniper-mx]

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

Filter by
Sorted by
Tagged with
0 votes
0 answers
9 views

What is the best instance pricing on Google Cloud or AWS for JNCIP lab [closed]

I want to create an eve-ng on the cloud to practice JNCIP labs, with approximately 14-20 nodes vmx. Which hourly plan would be the best choice?
Trí Tâm Nguyễn's user avatar
1 vote
0 answers
20 views

l2circuit-control-passthrough on Juniper MX Boxes

I need to do some Y.1564 Measurements between 2 Cisco Boxes that are connected by a L2 Martini Circuit on a Juniper MPLS Fabric based on MX480s and MX204s. I think the default behavior of Juniper is ...
Andreas Schaefer's user avatar
0 votes
1 answer
64 views

What is "Laundry"-memory on Juniper MX systems?

When displaying the current memory usage on Juniper MX systems (running JunOS 21.4, in case it should matter), I do see an entry for Laundry. For example: > show system processes extensive Mem: ...
miho's user avatar
  • 192
0 votes
2 answers
284 views

Can't show invoke command to backup RE from master RE

I have an MX960 box that faced an issue as below. Mater RE (RE1) can't show any command invoke-on backup RE (RE0), for example: show version invoke-on all-routing-engines. {master} nms@MX960> ...
NHN's user avatar
  • 61
0 votes
1 answer
318 views

[MX} -Inf dBm output when show interface diagnostics optics

I've a problem when show interfaces diagnostics optics <Ifd. but the output for TX/RX = -Inf dBm. Module is Fiberhome - XFP-10G-ER. Junos: 17.3R3-S10.1 Link is UP, but it flaps many times. Log ...
Unstoppableee's user avatar
0 votes
1 answer
99 views

Looking for more info on SNMP v3 Traps in Junos

I have a customer requirement where I need to be able to have Junos Space Network Management Platform be able to modify the severity of snmp traps on our routers and switches. So first I am trying to ...
Ben's user avatar
  • 157
3 votes
1 answer
346 views

Juniper MX L2 policer over-policing small frames

Our network is currently going through a certification, and we're seeing some odd issues with the policer. We have 2 MX240 routers set up with MPLS/RSVP/IS-IS with a Martini-Draft l2circuit configured ...
TheCaptain's user avatar
2 votes
2 answers
1k views

Do Juniper l2circuit services (ccc) support a mismatched encapsulation type?

I am building an l2circuit ccc (draft-martini) between an EX4500 and an MX204. The issue is that I need to have mismatched l2circuit encapsulation-type on either side. The East-coast EX4550-32F (Junos:...
Mike Pennington's user avatar
0 votes
2 answers
830 views

What services does MIB2D Daemon provide with respect to Juniper MX?

With respect to Juniper MX , can someone please explain what services does mib2d provide? There are many processes running on the Juniper MX depending on the services configured. These processes can ...
Nabeel's user avatar
  • 1,110
0 votes
1 answer
50 views

router-alert feature in DDoS prevention - MX series

I'm reading DDoS Prevention in MX series - 2nd. As mentioned in book "you can also configure whether an individual policer type should bypass that group’s aggregate policer" => I don't ...
Unstoppableee's user avatar
2 votes
0 answers
117 views

No entry in the multicast RIB while PIM join is present

I have a router which receives multicast traffic from the source over a multicast LSP(signaled by LDP): root@PE3> show pim join detail Instance: PIM.master Family: INET R = ...
Martin's user avatar
  • 1,217
0 votes
1 answer
130 views

Juniper vMX router silently drops SSM traffic

I have a Juniper vMX router with two interfaces: ge-0/0/0.0 facing the multicast sender and ge-0/0/2.0 facing the multicast receiver. The router receives multicast packets addressed to 232.1.1.1 on ...
Martin's user avatar
  • 1,217
2 votes
1 answer
351 views

What could prevent active routes from being transferred into Junipers forwarding table?

In a setup with two routers and two upstreams, I've stumbled over an issue that for IPv6 routes only, none of the active paths are installed into the forwarding table of one of the routers (called ...
miho's user avatar
  • 192
0 votes
1 answer
330 views

Juniper MX204 to Juniper EX4300 redundant fiber links with load balancing

I have a scenario where I have an EX4300 that needs to have redundant links to an MX204 router. My initial thought was to setup LAG with LACP, but I am wondering if this is possible or not. I couldn't ...
Ben's user avatar
  • 157
1 vote
1 answer
389 views

With reference to Juniper MX , what's the difference between Bridge Domain and Learning Domain?

I am trying to understand the difference between bridge domain and learning domain. I have tried to read through documentation and Juniper MX series book but no success. Need to understand the ...
Nabeel's user avatar
  • 1,110
1 vote
1 answer
608 views

CB fabric links require upgrade/training after adding New FPC in Juniper MX480

We are running a Juniper MX480 router is a production environment. Due to increase in traffic trend , it was required to installed new FPC 'MPC-3D-16XGE-SFPP' into slot 5 of MX480. Before the addition ...
Nabeel's user avatar
  • 1,110
0 votes
1 answer
2k views

Understanding the Burst Size against policer for 1G/10G interfaces in Juniper MX

We are facing one confusion with regards to burst size value against rate limit or policer in Juniper MX. Need to understand two things :- (1) Is the burst size limit defined in firewall policer ...
Nabeel's user avatar
  • 1,110
0 votes
0 answers
57 views

Dual Juniper MX80 problem

We have 2x Juniper MX80 routers with only one currently being actively used. Second one is waiting to take over in the event of disaster. We also have two ISP's that deliver network to our MX80. We ...
Roman's user avatar
  • 1
2 votes
0 answers
1k views

10G Interface on Juniper MX Stops Transmitting Output Optical Power

We have been facing an issue on Juniper MX series router. We have 10G interface on our router. Its does not matter whether interface is connected to DWDM or interface itself is a dark fiber. The end ...
Nabeel's user avatar
  • 1,110
4 votes
2 answers
1k views

Capturing LACP PDUs in an aggregated link on Juniper MX

We need to capture LACP PDUs on a member link of an aggregated bundle link on Juniper MX connected with other router via DWDM link and save the output in .pcap format using write-file knob. Can ...
Nabeel's user avatar
  • 1,110
2 votes
1 answer
472 views

Transporting an Ethernet Port in a LDP Based VPLS Instance on Juniper MX routers

We are currently transporting an Ethernet Port using LDP Based Layer 2 VPN service (P2P PW) in Juniper MX.This P2P LDP PW is up and currently working. Below is the configuration against this:- set ...
Nabeel's user avatar
  • 1,110
1 vote
1 answer
138 views

Using XFP-10G (120 KM Range) on Juniper MX routers

Hi everyone, We recently installed a new 10G XFP optics module in Juniper MX router. As per the customer , XFP supported range is 120 KM and it is from some third party vendor named 'menara'. Menara ...
Nabeel's user avatar
  • 1,110
0 votes
0 answers
147 views

How to connect EVPN DC Fabric to MPLS IP VPN Backbone

Let's suppose that we have a common Clos EVPN/VXLAN-based DC fabric with IP gateways on leaves (anycast gateways). Also there is a lot of different IP VRFs inside a fabric where end hosts reside. What ...
Anton M.'s user avatar
  • 187
4 votes
2 answers
996 views

RE Protection vs DDOS Protection in Juniper MX series routers

Hi Everyone, Need to know the clear differences between RE protection and DDOS protection in Juniper MX. Both are used to save routing engine from depletion of resources. As mentioned in Juniper MX ...
Nabeel's user avatar
  • 1,110
2 votes
1 answer
406 views

With regards to Juniper Networks , how does 'targeted-distribution' knob works?

Can someone please explain how does the knob 'targeted-distribution' works in Juniper MX routers. We created aggregated Ethernet (AE) links on our Juniper MX router acting as BNG. However , after ...
Nabeel's user avatar
  • 1,110
2 votes
1 answer
1k views

Juniper vMX Routers can't ping each other in GNS3

I have a couple of VMX Routers setup in GNS3 that are directly connected on their interface, ge-0/0/2 and they can't ping each other. PFB configuration. I can't seem to find the problem! UPDATE: Added ...
Somenath Sinha's user avatar
0 votes
1 answer
402 views

BGP Authentication Key-Chain Between Cisco IOS XE L3 Switch (c9300-24S) and Juniper MX480 Router

Need to create a BGP authentication keychain between Cisco and Juniper devices. Need assistance with config commands for Cisco 9300-24S.
Tony Perkins's user avatar
0 votes
1 answer
64 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?
Luis Andrés García's user avatar
0 votes
0 answers
28 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/...
Martin's user avatar
  • 1,217
0 votes
1 answer
520 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] ...
Ben's user avatar
  • 157
1 vote
1 answer
536 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; } ...
244boy's user avatar
  • 1,747
1 vote
1 answer
950 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 ...
Nabeel's user avatar
  • 1,110
1 vote
1 answer
319 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 ...
Nabeel's user avatar
  • 1,110
0 votes
1 answer
7k 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 ...
Nenq's user avatar
  • 45
0 votes
0 answers
329 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 ...
Ben's user avatar
  • 157
2 votes
1 answer
50 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; ...
244boy's user avatar
  • 1,747
1 vote
1 answer
1k 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/...
Nabeel's user avatar
  • 1,110
3 votes
1 answer
430 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: ...
Sebastian Wiesinger's user avatar
1 vote
2 answers
847 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 ...
Nabeel's user avatar
  • 1,110
0 votes
2 answers
1k 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.
Pablo Xavier's user avatar
3 votes
1 answer
175 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 ...
244boy's user avatar
  • 1,747
1 vote
1 answer
2k 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 | ...
244boy's user avatar
  • 1,747
3 votes
1 answer
2k 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 ...
phil-lavin's user avatar
4 votes
2 answers
414 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 ...
Nabeel's user avatar
  • 1,110
5 votes
2 answers
780 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 ...
Nabeel's user avatar
  • 1,110
2 votes
0 answers
606 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 ...
Nabeel's user avatar
  • 1,110
2 votes
2 answers
1k 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; ...
Seweryn Niemiec's user avatar
2 votes
1 answer
288 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 ...
Nabeel's user avatar
  • 1,110
0 votes
1 answer
1k 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 ...
Nabeel's user avatar
  • 1,110
3 votes
1 answer
173 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 ...
Ty Smith's user avatar
  • 533