9 votes
Accepted

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

The problem is the: [edit protocols rsvp] load-balance bandwidth If you look at the Juniper documentation for Unequal Cost Load Balancing RSVP LSPs, it states: For uneven load balancing using ...
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  • 6,440
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 ...
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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 ...
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  • 15.7k
5 votes

Log Messages In Juniper MX960

The syntax of the show log command is show log "filename". First try: show log This command will show you all files in the log directory. You will probably get the log entries you want simply by ...
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  • 141
5 votes
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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 ...
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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 ...
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  • 6,440
5 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 ...
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  • 5,251
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 ...
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4 votes

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

1) How many virtual router [routing instances] can be created on the QFX5100? The QFX5100 platform currently supports up to 512 virtual router routing instances. 2) How many VRF [routing ...
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  • 1,626
4 votes
Accepted

Does Juniper set a control word on VPLS pseudowires

negotiation of the control-word between the BGP VPLS PE routers is added in Juniper MX series starting from Junos 14.1. so only BGP-signaled VPLS. BR
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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"...
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  • 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. ...
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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 ...
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4 votes
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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 ...
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4 votes
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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 ...
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  • 5,251
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 { ...
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  • 71.4k
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....
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  • 15.7k
3 votes
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understand the terminology for packet forwarding engine in Juniper routers

It is correct to say that each of that card, DPC,DPCe and MPC provides packet forwarding engines. Everyone of this card uses this mechanism to forwarding. Several types of DPCs are available. Each ...
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3 votes
Accepted

Terminating an L2VPN on JunOS router

Pretty sure you need to add family ccc to the interface on the PE_MX80. set interfaces ge-1/0/9 unit 555 family ccc
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  • 6,440
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 ...
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  • 15.7k
3 votes
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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 ...
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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 ...
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  • 15.7k
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 ...
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  • 6,440
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 ...
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  • 6,440
3 votes
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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. ...
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  • 6,440
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 ...
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  • 5,251
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 ...
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  • 5,251
3 votes

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 ...
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  • 6,440
3 votes
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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 ...
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2 votes

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

From what I understand, the DOM MIB will only work with 10G XFP optical only, no support for 1G SFP yet unfortunately. See Juniper MIB References
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  • 395

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