Questions tagged [juniper]

A tag for questions involving Juniper Networks hardware or software.

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Maximum number of subscribers per FPC in Juniper MX

If link with subscribers, containing about 12000 clients, goes down. One aggregated ethernet containing two links which goes to two different FPC's. All clients try to authorize on JuniperMX with the ...
Tomato's user avatar
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6 votes
0 answers
166 views

DHCPv6 Relay Agent on Juniper — Packets dropped: No SAFD

I tried to setup a DHCPv6 relay agent on a Juniper EX3400 switch. (SLAAC is unfortunately not enough for this use case.) While the setup of the (non-v6) DHCP relay agent worked flawlessly and was well-...
miho's user avatar
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6 votes
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EVPN MAC Advertisement route not installed to L2 forwarding table

I have a VLAN-based EVPN connecting two sites in a lab environment based on the network topology described in the DAY ONE: USING ETHERNET VPNS FOR DATA CENTER INTERCONNECT book: For some reason, it ...
Martin's user avatar
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6 votes
1 answer
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Juniper ERX 310 traffic not going more than 710 mbps?

We have a Juniper ERX 310 configured as B-ras, as per specifications of the router, we should be able to terminate 8000 PPP sessions, but we notice that traffic on the router interface not going more ...
Mr.lock's user avatar
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5 votes
1 answer
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Juniper QinQ same port for customer as provider

Is it possible to use a single interface as both the provider port and the customer port for a QinQ setup on a Juniper EX 4200 switch? I have a set of switches "on a stick" attached to the network. ...
Daniel's user avatar
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3 votes
1 answer
44 views

Should I be using point-to-point or broadcast if I plan on using SVI's in IS-IS on Juniper?

Apologies in advance if this is super-basic question, still learning ISIS. I'm migrating from Cisco over to Juniper in an environment where all of the switches are running EIGRP, are on a 172.31.255.0/...
user68992's user avatar
3 votes
0 answers
325 views

BGP - source routing breaking for some routes

I have two routers (A and B), both are Juniper j2320s. Each one has 3 BGP peers, a primary to one preferred AS (call them AS 1) and two to a secondary (AS 2), as well as an IBGP session between them. ...
user5416's user avatar
3 votes
0 answers
502 views

Policy Based Routing (not matching packets) - Virtual Template

I have this configuration runnning : Larger image I tested the policy based routing int the lab using two linksys router acting as ppp clients of the Cisco 7206VXR and another linksys emulating the ...
RS1983's user avatar
  • 501
3 votes
0 answers
705 views

Juniper EX2500 - default gateway enabled but down

I'm trying to configure an EX2500 (first time with a Juniper), and I configured a trunk on our Cisco device, and then tagged the port on the EX2500. The link between the two comes up fine. However, I ...
Network Samurai's user avatar
2 votes
0 answers
510 views

Storm control problem with Juniper switch configuration (EX2300)

I am new with Juniper and generally new with switch configuration. Probably screwed up a lot but anyways, I will share my configuration right after I say what I want. I am getting Internet on ...
Alingex's user avatar
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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
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2 votes
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CA certificate and Local certificate

There is something which is bothering me when i think about the CA cert and Local cert. Below are my queries which pertains to juniper but may be generic as well. 1) "request security pki ca-...
RRHS's user avatar
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2 votes
0 answers
1k views

Point to Point ICMP Ping Loss between Juniper MX routers

I am facing problem with regard to 1 x 10G link (which is actually configured as an aggregated Ethernet (ae) i.e ae link contains only single 10G link. This ae link is connected between 2 x Juniper ...
Nabeel's user avatar
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2 votes
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Why auto negotiation cannot be disabled on Fiber Port

I tried to disable auto-negotiation in my Juniper ACX-2200 , but it says edit#set interfaces ge-0/1/0 gigaether-options no-auto-negotiation raki@# commit [edit interfaces ge-0/1/0] 'gigether-...
R__raki__'s user avatar
  • 371
2 votes
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960 views

Layer-2, static forwarding on a Juniper SRX?

I'm really new to Juniper, so I apologize if this is n00b question. I do, however, appreciate your guidance! Here is what I want to do: all traffic on ge0.0.0 and ge0.0.1 is to be redirected to fe0.0....
grauwulf's user avatar
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1 vote
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Redirect Junos IP public -> IP private

we have an MX204 here that works as our BGP, border router and it is gateway of a service that has private IP, I need to access this service with private IP outside our network, you can tell me if I ...
Marcos Max's user avatar
1 vote
0 answers
107 views

Connecting layer 3 switches together without trunking

I currently have 2x Juniper EX4200 and I'm looking into changing it into Ubiquiti EdgeSwitchs. The diagram: SW01 and SW02 are connected to each other using OSPF P2P. Both of the switches have their ...
amit177's user avatar
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1 vote
0 answers
4k views

Why my ae interface Link type is down but the physical interface is up?

Why my ae interface Link type is down but the physical interface is up? In my convergence layer Switch, I use two Juniper EX4300 devices realize the Stack: so there have xe-0/0/x and xe-1/0/x ...
244boy's user avatar
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1 vote
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623 views

mLACP / MC-LAG between Cisco / Juniper

I am working on a LDP signalled VPLS topology (picture) What I am trying to accomplish here is to establish a redundant connection to CE1. CE1 has both interfaces in a port-channel with an IP. My ...
Radovan's user avatar
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1 vote
0 answers
581 views

BFD down - "matches wrong session" (SRX)

We have a Juniper SRX talking to a Dell. One of the BFD sessions has a problem. The Juniper reports it as being up, the Dell reports it as being down. In the BFD trace on the Juniper, I see messages ...
Ben Aveling's user avatar
1 vote
0 answers
1k 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-...
flo's user avatar
  • 75
1 vote
0 answers
765 views

Juniper EX3300 and Q-in-Q

I have a Juniper EX3300 switch that has a 10Gbps connection to our upstream provider. Our upstream provider (lets call them Provider A) passes us various connections on tagged VLANs over this single ...
Gareth Hastings's user avatar
1 vote
0 answers
276 views

Juniper filter OSPF type-7 routes on ABR

Somebody knows why NSSA external routes filtering on ABR is so unuseful on JunOS? For example I want to filter all routes coming from NSSA area 0.0.0.3 except "10.0.0.0/8 orlonger" routes. To do that ...
Anton M.'s user avatar
1 vote
0 answers
548 views

vMX L3 MPLS VPN routes not in forwarding table

I'm new to juniper technology and I'm trying to set up mpls vpn on vMX. Not sure if I'm missing something in configuration or if this is some kind of bug in vMX or if this is not supported on vMX. As ...
pato's user avatar
  • 11
1 vote
0 answers
111 views

「Netscreen」 VPN UP/DOWN due to loopback address source monitoring

I am dealing with a problem with Netscreen VPN. Topology is basically Server Side ーー> (Agg2)Trust/Untrust(Agg1)ーー> ーー> Remote Office (Yamaha) 100.66.xx.0/24 ーー> Netscreen VPN ーー> Internet ーー> 100....
Tooru's user avatar
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1 vote
0 answers
149 views

Juniper EX4200 Public Subnet Vlan Routing

We have a Juniper EX4200 which is connected via ge-0/0/0 trunk port to the providers router. We got our own vlan(id 250) and there are two public subnets routed on this vlan. Currently all our serves ...
Jens Ulrich's user avatar
1 vote
0 answers
2k views

TACACS with Juniper Devices

Can any one please help in configuring a TACACS+ server, along with configuration in Juniper devices? Ubuntu Server 14.04 Juniper QFX5100 switch Below are my configurations: For the TACACS+ server: ...
Mukesh_the_leo's user avatar
1 vote
0 answers
262 views

Subnet delegated prefix on SRX

I configured a Juniper SRX firewall to receive IPv6 prefix from upstream router: family inet6 { dhcpv6-client { client-type statefull; client-ia-...
Lingfeng Xiong's user avatar
1 vote
0 answers
838 views

Juniper SRX MPLS Egress Prioritization

I can't for the life of me to get any egress queue prioritization to happen on an SRX. I have a single label switched path out of the SRX, and a couple of ethernet-ccc's. One ccc is entirely ...
Geoff's user avatar
  • 11
1 vote
2 answers
1k views

Juniper SSG20, reset to factory default

I have an Juniper SSG20 that I have tried to reset to factory default. I have tried the pin hole reset method but to no avail, and the serial console doesn't indicate that the procedure is started, ...
MatsK's user avatar
  • 204
0 votes
0 answers
34 views

How can an AWS Elastic IP address be used as a Juniper SRX's loopback interface?

I realize that Elastic IP addresses cannot be directly placed on actual AWS network interfaces (private addressing on them gets NAT'd to the Elastic public address assigned) of any device, much less ...
danno's user avatar
  • 381
0 votes
0 answers
64 views

Nested route policy failing

Any thoughts on why ::/0 is accepted in this example? Per these documents, the accept in the sub policy means it will match the condition in the parent and action in the parent will apply. But this ...
Dan's user avatar
  • 21
0 votes
0 answers
20 views

max-bypasses link-protection Juniper

I am testing knob max-bypasses in link-protection LSP. I config an LSP from R1 to R4. LSP using path R1-R2-R4. [edit] juniper@R1# run show mpls lsp ingress name R1_TO_R4 detail Ingress LSP: 2 ...
Harry's user avatar
  • 61
0 votes
0 answers
394 views

Juniper SNMPv3 Issue with SRX and EX devices; no traps received by Junos Space

I've been seeing an ongoing problem with Juniper EX4300s and SRX 345 and 1500s. The problem that we continually see is that our monitoring servers stop receiving traps from these devices. I've had ...
Ben's user avatar
  • 157
0 votes
0 answers
109 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
0 votes
0 answers
27 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
  • 1,177
0 votes
0 answers
71 views

Shaper configuration for Juniper MX480 - MPC3e 3D NG

following secario: A MX480 with MPC3e 3D NG Linecards. I have a new Layer2 Access provider that is providing Layer2 services between 100 and 1000MBit/s. My connection zu this services are a 10GE E-...
Andreas Schaefer's user avatar
0 votes
0 answers
309 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
0 votes
0 answers
319 views

How to configure the jflow correctly in my juniper router?

I configured the jFlow sampling in Juniper MX480: but in my receive data server, there is no data received: and when I use Paessler Netflow Tester test it, there cannot use 14.224.224.253: Whether ...
244boy's user avatar
  • 1,747
0 votes
0 answers
199 views

Why the ae1's `Link` is `down` but its indicator is light?

In my Juniper EX4300 I created a ae1 I added xe-0/2/3 and xe-1/2/3 to ae1, xe-0/2/3 { ether-options { 802.3ad ae1; } } xe-1/2/3 { ether-options { 802.3ad ae1; } } ...
244boy's user avatar
  • 1,747
0 votes
2 answers
426 views

PVLAN on juniper- native isolated VLAN & trunk

I'm trying to use PVLAN to isolate devices (servers) on a L2 network from each other. However, these devices are currently sit on trunk ports, because they have VLAN-aware IPMI interfaces. My config ...
jimmystack's user avatar