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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Loop-prevention measures on BGP-signalled VPLS

I have a project to configure a BGP-signalled VPLS overlay for an MPLS network. I will multihome the VPLS to a switching fabric via 2 PEs for redundancy. I understand that VPLS split-horizon behavior ...
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1answer
38 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
43 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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28 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 ...
4
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1answer
53 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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46 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
51 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
58 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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44 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
50 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
117 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
60 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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120 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
179 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
416 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
190 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 ...
2
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1answer
110 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
82 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 ...
2
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1answer
815 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 ...
4
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1answer
95 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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1k 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
346 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
669 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
445 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
741 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
504 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
1k 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 ...
3
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1answer
1k 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
5k 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
4k 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
2k 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
219 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
502 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
595 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 ...
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1answer
1k views

Terminating an L2VPN on JunOS router

I am trying to terminate an L2VPN on an MX480 but it's not working... Topology: 7206 trunk vlanid 555 > MX80> MPLS CLOUD > MX480. 7206 (192.168.254.2) not pinging lt-interface on MX480 (192.168.254....
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2answers
1k views

SNMP Monitoring Juniper EX8216 switches for Rx/Tx power, temperature and bias current

I am trying to monitor individual transceivers on two EX8216 Juniper switches regarding the following parameters: RxPower TxPower Bias Current Temperature The methodology I am ...
4
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1answer
3k views

Log Messages In Juniper MX960

How do I check the Log Messages of Last Month on juniper MX960 Router. When I am typing the command: #show log Messages. It's just showing me the messages for last 15 days. We have two MX960 ...
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1answer
5k views

Juniper - eBGP change next-hop on advertised routes

unable to advertise a route to ebgp peer and modify next-hop address. on receive router this can be resolved by configuring a import policy that matches on community and sets next hop to proper ...
6
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1answer
574 views

Juniper MX-5 EOPE Drop Pkt Cnt Incrementing

When running show pfe statistics error on a a couple of MX platforms, I see the EOPE Drop Pkt Cnt counter incrementing on 6 MX's out of 22. I believe these are "End-Of-Packet errors", but can't find ...
4
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1answer
3k views

IPSec VPN on Juniper MX80

Does anyone know how, if at all supported, to setup site-to-site IKE/IPSec VPN end-point on a Juniper MX80 router? The other side is SRX640, so not a problem. Juniper online documentation is very ...
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2answers
24k views

Adding a simple VLAN on a Juniper MX

after years away from JunOS, working with Foundry (now Brocade) routers, I find myself with a new Juniper MX10. All I want to do is create a simple VLAN such that two ports share one routing ...
5
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1answer
1k views

Strange IPv6 packet seen when enabling interface on Juniper MX

I have two MX80 routers which are connected. When I enable the interface on one router I get the following packet from the other router which I can't explain: 17:23:46.004429 In IP6 (hlim 1, next-...
11
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1answer
4k views

Can I poll firewall counters on Juniper routers via SNMP

I have a firewall counter on a Juniper MX router (set firewall filter myfilter term myterm then count mycounter) and want to poll its packet/byte count via SNMP. I searched for an OID but I'm unable ...
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2answers
1k views

forwarding / non forwarding Route Reflector?

I am considering running route reflectors in our current network topology of 20 od MX80's however all current devices are active traffic forwarders. from a scaling perspective RR makes logical sense ...
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1answer
5k views

How to force VPLS/L2VPN to use a specific path

We're using VPLS and L2VPN on Juniper MX for L2 connections. Signaling is done via BGP and label distribution via LDP. Now we want one L2VPN to use a specific path trough the network and not follow ...
8
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2answers
1k views

Does Juniper set a control word on VPLS pseudowires

At the RIPE conference the was a talk about how MAC addresses starting with a 4or 6 may suffer from decreased performance because MPLS routers misinterpret the Ethernet packets as an IPv4/6 packet ...
8
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1answer
665 views

Sub-interfaces vs. Interfaces

I was recently advised I should not be using VLAN interfaces for connections to upstream peers. On a Juniper MX what, if any, are the cons of using VLANs on an aggregated interface rather than ...