Questions tagged [juniper]
A tag for questions involving Juniper Networks hardware or software.
516
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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 ...
- 577
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22
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?
- 577
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19
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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 ...
- 1
1
vote
1
answer
55
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/...
- 243
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42
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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, ...
- 577
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64
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: ...
- 192
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votes
2
answers
119
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 ...
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0
answers
45
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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 ...
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1
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0
answers
37
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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 ...
- 1,388
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40
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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/...
- 15
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45
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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 ...
1
vote
1
answer
99
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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 ...
- 113
1
vote
1
answer
122
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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 ...
- 13
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1
answer
157
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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 ...
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2
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28
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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 ...
- 35
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78
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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 ...
- 13
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1
answer
99
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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 ...
- 13
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0
answers
99
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How CAN I check power consumption of Ex2200 via CLI
None of the show chassis or Poe commands seem to give enough information
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1
answer
116
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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 ...
1
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2
answers
573
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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 ...
- 115
3
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2
answers
224
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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 ...
- 33
0
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0
answers
46
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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 ...
- 381
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94
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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/...
- 33
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1
answer
497
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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 "...
- 577
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1
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249
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 {
...
0
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0
answers
87
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 ...
- 21
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1
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89
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 (...
- 61
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votes
2
answers
122
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 |...
- 61
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1
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121
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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 ...
- 577
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1
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306
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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-...
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1
answer
103
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 ...
- 61
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0
answers
260
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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-...
- 192
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1
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99
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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 ...
- 157
3
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1
answer
346
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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 ...
- 76
1
vote
1
answer
208
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 ...
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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:...
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1
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2k
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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 ...
- 29.9k
0
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2
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457
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:
...
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523
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 ...
- 157
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1
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373
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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 ...
- 173
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vote
1
answer
379
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QFX5100 question about load balance
I have a QFX5100 with 4x IP Transits (4x 10G) and I do not have bgp full table from them, is there anyway that I load balance my outgoing traffic? because with default route I can only force them to ...
- 577
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153
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QFX10002-36Q Full BGP Question
I want to use a QFX10002-36Q with 4x Full table and 2x IXP and total received routes from all of them will be around 3.6-4 Milion routes, QFX10002-36Q datasheet said that this switch can hold 10M RIB ...
- 577
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votes
1
answer
656
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 ...
- 31
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2
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830
views
What services does MIB2D Daemon provide with respect to Juniper MX?
With respect to Juniper MX , can someone please explain what services does mib2d provide? There are many processes running on the Juniper MX depending on the services configured. These processes can ...
- 1,110
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645
views
discover neighbor on juniper switch despite blocked port
OS: JunOS 19.3
Hello all,
I have an unusual problem.
I have two juniper switches (A) and (B) that are connected on multiple ports
I'm aware that this makes no sense for networking.
This setup is not ...
- 173
2
votes
1
answer
313
views
QinQ on EX4200 with arbitrary C-VLAN
Trying to setup an ethernet link from CE located in building A to CE in building B. Customer may or may not tag it's frames sent over the link.
Here's the setup I am trying to use
+----+ +-------...
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4
votes
1
answer
2k
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Juniper - minor host 0 /var partition usage is high
Currently running a EX4300 switch. We seem to be low on space on fpc0.
I have already run the request system storage cleanup all-members (only cleaned up a few megabytes).
I have cleared the WTMP file ...
- 41
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1
answer
209
views
How to judge whether a Juniper device is a PPC platform device?
I know there is noun PPC platform devices of Juniper, I want to know how to judge a Juniper Device is a PPC platform devices?
Is Juniper MX480 a PPC platform device?
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4
votes
2
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2k
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How do I export the config from a Juniper mx80
So I have been tasked with swapping an older Cisco router with a Juniper Mx80. I have a copy of the config from the Cisco device. The Mx80 was being used before so I want to wipe it and setup with the ...
- 41
2
votes
1
answer
128
views
Is it possible to limit the configuration rollback count in MX-series?
I tried set system max-configuration-rollbacks in mx480, but it shows unsupported platform .
##
## Warning: statement ignored: unsupported platform (mx480)
##
max-configuration-rollbacks 25;
is there ...
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