Skip to main content
Share Your Experience: Take the 2024 Developer Survey

Questions tagged [juniper]

A tag for questions involving Juniper Networks hardware or software.

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

Broken communication with FBF and next-table for route leaking

I have an MX960 configured as a BNG with two VRFs: one for subscriber access and another for Internet access. Some subscribers have static public IP addresses assigned by Radius, and their traffic ...
Pablo Xavier's user avatar
1 vote
2 answers
66 views

Where should one define aggregate routes in ISP network?

It's a common practice to advertise aggregate routes to upstream providers or peering partners. However, where should one configure aggregate routes in its own network? Ideally in every router on the ...
Martin's user avatar
  • 1,063
0 votes
0 answers
41 views

Configuring VLAN Trunk on JunOS

I have a Juniper EX-4300-48P and I was trying to test out connecting it to a TP-LINK TL-SG108E and the intended network flow is as follows: EX-4300-48P Interface ge-0/0/0 set to trunk VLAN 121,125,126 ...
user24681711's user avatar
0 votes
0 answers
37 views

Juniper Bulk CoA example for accumulation of CoA requests

I am working in BNG implementation with Juniper MX960 and I am interested in Bulk CoA feature to address accumulation of a series of CoA requests and commits all of them together. But I don't find any ...
Pablo Xavier's user avatar
1 vote
0 answers
23 views

Juniper and EdgeCore dhcpv6-relay remote-id (option 37)

I have the following problem. I have minimal configuration of dhcpv6-relay agent on QFX5100. Before the QFX, there is an Edgecore switch on which DHCPv6 snooping is enabled. The problem occurs as soon ...
Libor's user avatar
  • 11
0 votes
1 answer
41 views

Does Junos prefer route with higher localpref even when the next hop of this route is unreachable?

I had a prefix 2001:db3::/64 learned from two different iBGP peers. One of those BGP peers became unreachable, but the BGP session had not yet timed out: root@e2> show route 2001:db3::5 inet6.0: ...
Martin's user avatar
  • 1,063
1 vote
1 answer
46 views

juniper-security answer

[edit firewall filter test ] term 1 { from { source-address { 10.0.0.0/8; } } then { log; next term; } } term 2 { then { reject ; } } How is traffic, sourced ...
Marghli Dhikra's user avatar
0 votes
0 answers
10 views

answer code block juniper table routage [duplicate]

want some one expert juniper help me for this question user@router> show route 192.168.100.2 inet.O: 15 destinations, 17 routes (15 active, 0 holddown, 0 hidden) Limit/Threshold: 1048576/1048576 ...
Marghli Dhikra's user avatar
4 votes
1 answer
98 views

Why does `show rsvp neighbor` show every neighbour twice?

When I configure MPLS and RSVP on various Juniper devices, label-switched paths are successfully setup and seem to generally work, but the output of show rsvp neighbor always show each neighborship ...
miho's user avatar
  • 234
1 vote
0 answers
64 views

Setting the EVPN VXLAN Interconnect ESI for Data Center Interconnect (Seamless EVPN VXLAN Stitching)

With reference to Juniper Networks , when implementing data center interconnect (DCI) using seamless EVPN VXLAN stitching , why do we have to define iESI (interconnect ESI) to stitch VXLAN VNI from ...
Nabeel's user avatar
  • 1,120
0 votes
0 answers
70 views

junos 802.1ad on EX and MX

given following szenario: I have a Juniper MX204 Service router, a FGT200F Cluster is connected via a EX4400 Switch Stack. ------------ ---------- --------- | FGT-200F | --- | EX4400 | --- | ...
Andreas Schaefer's user avatar
0 votes
1 answer
198 views

Juniper MX204 licensing model

We have in mind to purchase a Juniper MX204 with base license, i want to know can we have ebgp and ibgp and using full table on this router? Some people says that ebgp is not supported with base ...
Blackmetal's user avatar
0 votes
0 answers
34 views

Juniper MX204 port question

I have a Juniper MX204 with base license , I want to know can I have 3x 40G port and 1x 100G port on PIC 0 and 8x 10G on PIC 1?
Blackmetal's user avatar
0 votes
0 answers
30 views

netflow v5 config not working - Juniper VMX

I use GNS3 and juniper vmx to practice netflow config. I know that v9 needs MPC card, so i use v5. But no netflow export from my router. show services accounting flow comes nothing Do I miss any ...
Echo's user avatar
  • 1
1 vote
1 answer
118 views

Juniper MX with MS-MIC and ipsec performance

I've set up the gre over ipsec tunnel between SRX650 and MX5 (MS-MIC onboard). While SRX is able to serve ipsec tunnels traffic at about 100-200 Mbit/sec to other SRXes, I can get only about 1.5 Mbit/...
drookie's user avatar
  • 243
0 votes
0 answers
67 views

Memory usage increase on QFX5100-24Q virtual chassis

I have a pair of Juniper QFX5100-24Q in virtual chassis mode, and I am using 18.4R2-S2.4 for both devices, and I have a few SVI with 15x BGP session. One of my BGP sessions is receiving 200k routes, ...
Blackmetal's user avatar
0 votes
1 answer
98 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
  • 234
0 votes
2 answers
215 views

Lumen(Centurylink) Quantum Fiber on SRX320 with DHCP over IPoE

Been trying to configure Lumen's(Centurylink) Quantum Fiber service to work on a Juniper SRX320 using DHCP with IPoE. Haven't been able to successfully pull a DHCP IP address yet. Here's the ...
Eschin Tenebrous's user avatar
0 votes
0 answers
116 views

Preconfigured VCF w/ QFX5100 doesn't auto-provision some vc-ports

I am currently (trying) to deploy a Virtual Chassis Fabric with QFX5100. I'm using the pre-provisioned model and got the stack working for now - however, some of the vc-ports do not auto-configure ...
Jan's user avatar
  • 1
1 vote
0 answers
85 views

JunOS tagging aggregate route from more specific route - bgp communities

I have a certain use case with rtbh for the following: A /32 route (say 10.1.1.1/32) is injected into the network with a specific bgp community I'd like to match the aggregate prefix that /32 belongs ...
Network Samurai's user avatar
0 votes
0 answers
77 views

Bypass SSL Proxy for Microsoft Teams - Juniper SRX

How can I bypass the ssl proxy for Microsoft apps like Teams on a Juniper SRX firewall? I can see that Teams requires connectivity for somes IPs and domains (https://learn.microsoft.com/en-us/...
Pablo Xavier's user avatar
1 vote
1 answer
50 views

Import route from one rip group to another

Just started out with RIP implementation in juniper routers. Was not able to find much info on the following points. Any help is appreciated. I have defined 2 RIP groups, both in the same routing ...
host_unreachable's user avatar
1 vote
1 answer
273 views

DHCP Client Traffic not going through IRB interface as expected

I have several Juniper EX4300 series switches that I'm trying to configure to meet the following specifications: I'd like each switch to manage a /24 DHCP pool that corresponds to a rack I'd like ...
Suever's user avatar
  • 113
1 vote
1 answer
316 views

Juniper - ECMP with BGP

As I know, with the command "multipath" BGP can install more than 1 route to a specific destination into the routing table. IE.: 1.1.1.1 --> 192.168.0.2 1.1.1.1 --> 192.168.0.5 But ...
Seathorn's user avatar
0 votes
1 answer
274 views

l2circuit untagged interface Juniper

I would like to create a l2circuit that I received a untagged frame from the customer and add a tag, because on the other side I will use a switch and share the same interface and my customer needs to ...
Rafael's user avatar
  • 1
0 votes
2 answers
34 views

RMA'ed device configuration [closed]

Just wondering what are the methods that you use when re-configuring an RMA'ed device. Do you manually configured all the script that runs on the device or is there any efficient ways configuring the ...
dlareg28's user avatar
0 votes
0 answers
154 views

Q-in-Q on QFX5120

I'm building dot1Q tunneling between 2 Cisco routers and when I used only 1 QFX switch it all works fine. However when I try to use 2 QFX switches with basically the same configuration I cannot get ...
Seathorn's user avatar
0 votes
1 answer
169 views

VPLS over GRE over IPSEC

I need to connect to L2 networks over the internet, which means I'll need some form of security as well. The first obvious idea is IPSec, but what I'm not sure whether I need GRE over IPSec or simply ...
Seathorn's user avatar
0 votes
0 answers
195 views

How CAN I check power consumption of Ex2200 via CLI

None of the show chassis or Poe commands seem to give enough information
user90289's user avatar
0 votes
1 answer
205 views

Juniper SRX, workstation on SRX switch port cannot ping reth interface

I have a SRX345 firewall that has a workstation hanging off one of its ethernet ports. The workstation cannot ping the SRX reth interface, reth1.50 (its default gw) even though the ethernet port is ...
Jeff Todd's user avatar
1 vote
2 answers
766 views

Breakout from 400Gbps to n*25Gbps

My servers are currently have 25Gbps NIC, but switch ( Cisco Nexus 9300 series) has only 400Gbps. I would like to be able to break out the 400Gbps connection into four 25Gbps connections. Is this ...
Andy's user avatar
  • 115
3 votes
2 answers
335 views

ethernet switching table is empty | vQFX | EVE-NG

I'm new to Juniper switches. I configured vlan10 and assigned two ports to the relevant vlan. root> show vlans Routing instance VLAN name Tag Interfaces default-switch vlan10 ...
Aaqil's user avatar
  • 33
3 votes
1 answer
120 views

Should I be using point-to-point or broadcast if I plan on using SVIs 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
1 vote
1 answer
779 views

Juniper MX204 base license

We want to purchase a juniper mx204 without license and I checked https://www.juniper.net/documentation/us/en/software/license/licensing/topics/topic-map/software_licensing_requirements.html "...
Blackmetal's user avatar
0 votes
1 answer
381 views

The IRB.30 Interface cannot be pinged and i cannot SSH into the given IP

All configuration is done via Juniper Mist. In my Juniper EX4300-MP48 I created an interface IRB.30 with address 192.168.31.200 irb { unit 30 { description it; family inet { ...
The-IT-ID10T's user avatar
0 votes
0 answers
97 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
1 answer
116 views

FPC ACX2100 high CPU (99%)

I have an ACX2100 with high CPU usage in all FPCs. juniper@ME-CSR-HNI_CGY-C100.1> show chassis fpc Temp CPU Utilization (%) Memory Utilization (%) Slot State (...
NHN's user avatar
  • 61
0 votes
2 answers
179 views

ACX2100 cannot boot to new version

My customer upgrades the version for ACX2100 from 12.3X54-D34.1 to 20.4R3-S2.6. After adding software, they checked JUNOS Installation Software already 20.4R3-S2.6. vipa@BGG0333SRT03> show version |...
NHN's user avatar
  • 61
0 votes
1 answer
155 views

Juniper MX80 throughput

I did not work with juniper mx routers and i want to use a juniper mx80 as edge router, we have 2-3x BGP Full table and our traffic ~10-15g traffic, Is juniper mx80 a stable router? How much bps pps ...
Blackmetal's user avatar
0 votes
1 answer
388 views

Configuring QinQ in EX with enterprise style

I'm practicing QinQ with EX boxes. So with downlink and uplink in SP style, that is with flexible vlan tagging and extended vlan bridge, it is working. (https://supportportal.juniper.net/s/article/EX-...
Prime's user avatar
  • 3
1 vote
1 answer
113 views

bcmDPC thread uses CPU more than usual

I have an issue with ACX2100, it report high CPU in FPC. juniper@CSG-TBH_KXG_VU_NINH> show chassis fpc Aug 12 15:44:10 Temp CPU Utilization (%) CPU Utilization (%) Memory ...
NHN's user avatar
  • 61
6 votes
0 answers
351 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
  • 234
0 votes
1 answer
121 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
410 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
1 vote
1 answer
230 views

Juniper Core and Access Switch best practice

We have Juniper 14x EX4200 as access switches, and 2x EX8208 with virtual chassis configured between the 2 EX8208. from the access switched EX4200 we need 2 links.. one for the core A and second for ...
Mostafa_Maj'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
1 answer
2k views

Meaning of import or export in Juniper routing policies

What exactly is happening to the junos ospf protocol and junos routing instance when one executes these commands? set policy-options policy-statement POLICY-STATIC term TERM-STATIC from protocol ...
Mike Pennington's user avatar
0 votes
2 answers
533 views

Juniper EX Switch as router with transfer network for upstream network

So im new at juniper and networking. On my Juniper EX4550 switch i want to setup a transfer network to my upstream provider. So my upstream provider assigned a /30 subnet for the transfer network: ...
Giuliano Schindler's user avatar
0 votes
0 answers
645 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
3 votes
1 answer
422 views

how to configure dnsmasq client-identifier for juniper prefix host-name

I have a Juniper switch that has a dhcp-client configured like this: show interfaces irb unit 0 family inet dhcp client-identifier { prefix { host-name; } } I ...
murphy's user avatar
  • 173

1
2 3 4 5
11