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6 votes

Capturing LACP PDUs in an aggregated link on Juniper MX

show lacp interfaces <aeX> displays detailed state information for each member-link in a LAG. For example: user@router> show lacp interfaces ae0 extensive LACP state: Role Exp Def ...
Jeff Wheeler's user avatar
  • 5,468
5 votes
Accepted

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

It's a bit complicated. :) To apply a filter to the physical interface you need to apply a "physical interface policer" to all units of the ae. This can only be done via a firewall filter. You can ...
Sebastian Wiesinger's user avatar
5 votes

Juniper MX snmp oid for static route

The best you'll be able to get is inetCidrRouteTable from IP-FORWARD-MIB - this will give you all routes, regardless of protocol. The OID is .1.3.6.1.2.1.4.24.7 and if you walk it, you'll see a table ...
Benjamin Dale's user avatar
5 votes
Accepted

How to view old Log messages on Junos

If you don't see those logs there anymore, they've most likely been rotated to reduce disk space used, but it could be that messages.19.gz contains logs from July, it all depends on when that log was ...
Teun Vink's user avatar
  • 17.4k
5 votes
Accepted

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

Yes, LDP VPLS is a pretty standard deployment. Where it can get confusing is the various types of PE-CE interface encapsulation depending upon the type of service you're running. In your case of a ...
Jordan Head's user avatar
  • 7,099
4 votes

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

Unfortunately the DOM MIB does not seem to be supported on any of the EX 22/32/42/82xx switches. I've been bitten by this in the past. The values are present on the device eg: show interfaces ...
Benjamin Dale's user avatar
4 votes
Accepted

Is Olive the same as vMX?

Junos Olive is an unofficial and unsupported image/version that was developed by Juniper for development purposes. As for the vMX, it's "a full-featured, virtualized MX Series 3D Universal Edge Router"...
xpto's user avatar
  • 131
4 votes

Issues with Juniper MX-series iBGP routes

Just for sake of interest I've built a test topology, which displayed in image below: Little remark: all router's configs are pretty much default. What I did: ISP router with loopback of 1.1.1.1/32. ...
Andrey Prokhorov's user avatar
4 votes
Accepted

Rate-limiting policer on aggregated ethernet (AE) bundle

JunOS will divide your policer into multiple policers for each physical interface in proportion to the percentage this interface has in the AE. In your example you have two interfaces so each will get ...
Sebastian Wiesinger's user avatar
4 votes
Accepted

Juniper MX: Leaking routes from RIB into VRF

The solution seems to be to use rib-group. I always assumed rib-group and instance-import were interchangeable though, as the name suggests, rib-group works in the RIB whereas instance-import only ...
phil-lavin's user avatar
4 votes
Accepted

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

When upgrading a fabric e.g. from SCB to SCBE, there is a process to train the fabric links so they operate at higher speed. The require upgrade/training alarm is documented in the related upgrade ...
Jeff Wheeler's user avatar
  • 5,468
3 votes

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

BGP really isn't the tool to achieve this. Bandwidth utilisation is not one of the criteria which is used to select best paths. If you really want to go down this path (and this can have huge ...
Teun Vink's user avatar
  • 17.4k
3 votes

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

Check out https://www.juniper.net/documentation/en_US/junos/topics/usage-guidelines/services-configuring-port-mirroring.html First, set up a filter filter filter-name { term term-name { then { ...
Zac67's user avatar
  • 84.8k
3 votes
Accepted

RSVP bandwidth value configuration in Juniper MX

Firstly, there looks to be something wrong with ae13 - if you have 16x 10G interfaces attached to it, you should have an RSVP interface bandwidth of 160Gbps, not 130Gbps as per your output? So is ...
Benjamin Dale's user avatar
3 votes
Accepted

Juniper MX/SRX series interface monitoring command

monitor interface and show interface <...> detail are the commands most often used. However, I don't think many people use a CLI nowadays to get this information. There are many tools which use ...
Teun Vink's user avatar
  • 17.4k
3 votes

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

If you want to refuse that route, you could add another import statement to those two peergroups, in which you reject the prefix: policy-statement reject_unwanted { from { route-filter 14....
Teun Vink's user avatar
  • 17.4k
3 votes
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Understanding the IS-IS wide metric style for Traffic Engineering in Juniper MX

I mean what does traffic engineering has to do with wide-metric style for IS-IS? What extra information wide-metric starts to carry when enabled , which is required by TE and not supported by narrow ...
Jordan Head's user avatar
  • 7,099
3 votes
Accepted

Juniper Physical Interface Damping Operation

Where can I see the current penalty on the interface? There isn't a show command for this. If you are looking at this from a testing perspective, you can jump on the FPC shell start shell pfe ...
Jordan Head's user avatar
  • 7,099
3 votes
Accepted

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

I can't even tell you how much this requirement frustrated me as well, thank you for asking this one. Can someone please explain in detail why we need to setup static arp entry on each MC-LAG peer. ...
Jordan Head's user avatar
  • 7,099
3 votes
Accepted

Juniper vMX Routers can't ping each other in GNS3

I think the interfaces you have connected in GNS3, em2 ---- em2 are actually named ge-0/0/0 by the vMX nodes. Try edit interfaces rename ge-0/0/2 to ge-0/0/0 on both vMX, commit, and check for ...
Jeff Wheeler's user avatar
  • 5,468
3 votes

RE Protection vs DDOS Protection in Juniper MX series routers

The Control Plane DDOS Protection feature is a sophisticated set of control-plane classifiers & policers. It's a great feature and you absolutely should be using it in addition to an ordinary ...
Jeff Wheeler's user avatar
  • 5,468
3 votes
Accepted

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

Juniper does support mismatched encapsulations, but that technically isn't needed for what you're trying to accomplish. To be frank, Juniper's terminology for the different encapsulation types and how ...
Jordan Head's user avatar
  • 7,099
3 votes
Accepted

Juniper MX L2 policer over-policing small frames

Actually found the answer to this today: https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/task/configuring-the-accounting-of-policer-overhead.html In order to address ...
TheCaptain's user avatar
2 votes
Accepted

Alarm: CB 2 Fabric Chip 1 Not Online

First, let's bang out some terminology. DPC: Dense Port Concentrator - This is an older line card architecture, it predates MPC. MPC: Modular Port Concentrator - This is the newer architecture for ...
Jordan Head's user avatar
  • 7,099
2 votes
Accepted

Juniper MX device not responding

The only way to confirm that device is not dead to restart the router while connected to the console and check if there is any output coming and if it is not the router is dead.
Mr.lock's user avatar
  • 1,723
2 votes

Juniper MX - vlan-ccc double tagged to untagged

You should be able to do something like: protocols { l2circuit { neighbor xxx.xxx.xxx.xxx { interface xe-0/0/3.1158 { virtual-circuit-id 1158; ...
Benjamin Dale's user avatar
2 votes
Accepted

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

Their main use is for providing extremely precision timing for services such as Synchronous Ethernet or SATOP - essentially carrying TDM services (such as an E1 or T1) over Ethernet. This is quite ...
Benjamin Dale's user avatar
2 votes

Need help with PPPoE Subscriber Management on a MX80

You will need Framed-IP-Address for sure. According to the configuration which you are using I am not sure what other parameters you will need to configure. In order to use PAP/CHAP authentication ...
Stefan Stoyanov's user avatar
2 votes

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

Mar 2 15:36:55.369155 authd_create_application_specific_radius_server: No authentication-server list configured It seems you missed radius server in "profile local-kpn". Try following configuration :...
Yahya's user avatar
  • 21
2 votes
Accepted

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

There is no direct way, but you can see interfaces in the statistics: user@router> show vpls statistics [..] Instance: EXAMPLE-VPLS-INSTANCE Local interface: ae2.2000, Index: 380 [..] Or in ...
Sebastian Wiesinger's user avatar

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