Questions tagged [juniper]

A tag for questions involving Juniper Networks hardware or software.

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37 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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1answer
30 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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2answers
378 views

Why logical systems?

Juniper supports partitioning of a physical device such as a router into multiple logical systems. Each of these systems could have their independent routing/switching tables depending on the logical ...
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3answers
3k views

Juniper EX how to clear route forwarding table?

After layer 3 routing a large IPv6 assignment on an EX Juniper switch, the route forwarding table filled up and some entries corrupted or became otherwise invalid. We want to clear the whole table. ...
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1answer
27 views

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 ...
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2answers
91 views

Can I delete the /var/rundb/private directory?

under my Juniper MX480. /var/rundb/ the private directory occupy a large size, root@LA-MX480-RE0:/var/rundb # du -cks * | sort -rn 16691128 total 16275464 private 74976 lr-juniper.db 74912 ...
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1answer
27 views

How to check the disk partitions usage of juniper device?

In this article : https://kb.juniper.net/InfoCenter/index?page=content&id=KB33032&cat=ROUTER_PRODUCTS&actp=LIST root@PE1:/var/home/labroot # gpart show -p => 34 62533229 ada0 ...
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1answer
22 views

Avoiding FPCs rebooting during RE switchover on Juniper EX8200 Switche

We have Juniper EX8208 chassis based switch running in a production environment. The switch has 2 REs running in active and standby role with RE0 being the primary routing engine. The device is ...
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1answer
31 views

EX4200-48T power Consumption

I read Juniper documents but i could not find how much power does Juniper EX4200-48T consume? can anyone help me? thank you.
4
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1answer
186 views

Juniper "show route receive-protocol bgp" output meaning

When you show the received route from a specific neighbor in BGP with a Juniper, the output is the following : show route receive-protocol bgp X.X.X.X inet.0: V destinations, W routes (X active,...
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0answers
27 views

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 = ...
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1answer
37 views

Juniper vMX router silently drops SSM traffic

I have a Juniper vMX router with two interfaces: ge-0/0/0.0 facing the multicast sender and ge-0/0/2.0 facing the multicast receiver. The router receives multicast packets addressed to 232.1.1.1 on ...
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4answers
5k views

Is it possible to set idle-timeout for the Junos root user?

We have all of our network devices attached to console servers for out-of-band access. Occasionally, someone will log in as the local root user and forget to log out. Whoever happens to log into that ...
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1answer
66 views

What could prevent active routes from being transferred into Junipers forwarding table?

In a setup with two routers and two upstreams, I've stumbled over an issue that for IPv6 routes only, none of the active paths are installed into the forwarding table of one of the routers (called ...
2
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1answer
38 views

Transporting TRILL over Juniper QFX5100

I've got 2 Brocade VDX switches setup using VCS and want to add another 2 switches to this group, but when connected to each other over a Juniper QFX5100, they won't see each other. The Brocade ...
2
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1answer
213 views

With regards to Juniper Networks , how does 'targeted-distribution' knob works?

Can someone please explain how does the knob 'targeted-distribution' works in Juniper MX routers. We created aggregated Ethernet (AE) links on our Juniper MX router acting as BNG. However , after ...
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2answers
260 views

VLANS - Layer 2 vs Layer 3 Juniper & Netgate/PfSense

I am working on setting up VLANS on a basically default switch configuration for my SMB network. They have 5 juniper ex2200 switches that are all on the same subnet and have only a default vlan. I ...
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2answers
425 views

Can't log in after admin password change

I reset my admin password with below command: #Set system login user admin authentication encrypted-password <new password> But now i can't login to my device, what can be the reason?
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0answers
34 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 ...
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1answer
70 views

What determines if a Juniper router is a route reflector client?

When I read bgp router reflector document: You see the topology is this: You see the Router A B C are in one cluster, D E are not clients of it. but how to configure to become this? I compared with ...
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1answer
59 views

How do I rename a Junos BGP group?

Is it possible to change a special place in Junos rather than delete? In my case I want to change the ebgp-AS1009 to ebgp-AS23100, as far as I know only can delete the group ebgp-AS1009 then re-set. ...
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1answer
25 views

Why test routing policy do not match in vMX?

This is my routing-policy: policy-statement rp-add-as-path-3times-local-as { term prefix1 { from { route-filter 1.1.1.0/22 orlonger; } then { as-...
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0answers
725 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-...
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2answers
61 views

Questions about logical-systems of juniper

In my Juniper MX480, the logic-systems config is below: [edit] logical-systems { r1 { interfaces { ge-0/0/0 { unit 0 { family inet { ...
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1answer
118 views

With reference to Juniper MX , what's the difference between Bridge Domain and Learning Domain?

I am trying to understand the difference between bridge domain and learning domain. I have tried to read through documentation and Juniper MX series book but no success. Need to understand the ...
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1answer
79 views

How to import a file into Junos main config file?

How to import a file into Junos config file? there is a case, I have a long prefix-list in config file: set logical-systems LR6-1931 policy-options prefix-list C20060 11.92.0.0/20 set logical-systems ...
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3answers
440 views

Why eBGP don't need config local-address?

There is a manual for me to learn Junos. you see the external peer configuration, there is no local-address option, but internal has. why eBGP configuration do not need it?
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1answer
103 views

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

We are running a Juniper MX480 router is a production environment. Due to increase in traffic trend , it was required to installed new FPC 'MPC-3D-16XGE-SFPP' into slot 5 of MX480. Before the addition ...
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1answer
40 views

Why the route comes from different AS?

Before, I know the AS path of BGP properties, such as the 200 100i means the route originate from AS100, use network import the route and through AS200, however in my case: admin@MX480> show route ...
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0answers
26 views

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 ...
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1answer
114 views

Juniper SRX Management Redirects

I've a Juniper SRX 340 Cluster (15.1X49-D70.3) on which I have some trouble with the Web management GUI. Since some time, when I try to access the Web board, I get the error "...
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1answer
23 views

what's the differences of two `filter` under `edit firewall` in junos?

I found there are two places of filter under firewall, [edit firewall filter filter-name] and [edit firewall family inet filter filter-name]. what's the differences of them?
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1answer
35 views

Is it only one Active route for a special destination?

When I read juniper document about show route: I show route IP: admin@MX480> show route 14.104.112.1 inet.0: 837234 destinations, 1784889 routes (832157 active, 0 holddown, 862249 hidden) + = ...
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2answers
380 views

Why my MX480 have 6 FPC slots, however the document say only support 3?

In Juniper PFC document: The maximum number of supported FPCs varies per router: MX480 router—3 FPCs but in my MX480, why there have 6 FPC Slots. admin@MX480-RE0> show chassis fpc ...
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1answer
85 views

What's the meaning of these interfaces' prefix?

When I watch juniper tutorial time at 10:22, there have Services Interfaces introduction: but in my mx480 router, there have several interfaces I don't know prefix meaning. lt-0/0/10.6 ...
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1answer
58 views

My Juniper router do not have j-web configuration

I follow Juniper docs: I want to set up the j-web. but in my Junos do not have set system services web-management http. admin@MX480-RE0# set system services ? Possible completions: <[Enter]&...
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3answers
16k views

Site-to-site VPN between Cisco ASA and Juniper SRX

I'm trying to create route-based VPN connection between Cisco ASA and Juniper SRX, but I have a problem with ACL and Proxy IDs. Cisco ASA log states that [IKEv1]Group = A.A.A.A, IP = A.A.A.A, ...
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0answers
116 views

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 ...
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1answer
243 views

How to find invalid sessions on Juniper SRX 5800 series Firewall

In Juniper SRX 5800 series Firewall , when we run the command 'show security flow session summary node 0' , we see that it shows large numbers of sessions as invalidated. But we don't know ...
5
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1answer
129 views

How does a Juniper PE associate frames from the CE with correct route in <VPN_name>.l2vpn.0 table in case of Kompella L2 VPNs?

Let's say, that I have a following simple BGP-signaled L2VPN configuration: root@PE4> show configuration routing-instances vpn-b { instance-type l2vpn; interface ge-0/0/0.515; route-...
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1answer
59 views

What exactly does a Juniper PE use to find the correct transport LSP for the L2 circuit(Martini) neighbor?

Let's say, that I have a following simple L2 circuit(Martini) configuration: root@PE4> show configuration protocols l2circuit neighbor 192.168.2.2 { interface ge-0/0/5.777 { virtual-...
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1answer
1k views

Not receiving netflow v9, v5 works - Juniper SRX

We have an ELK Stack running that gathers data and processes it to the point where end users can visualize the data. Right now we're dealing with Syslogs and Netflow, but are experiencing some issues ...
2
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2answers
310 views

Junos "request system software validate" safety

Just want to clarify: is it safe to issue the command request system software validate /var/tmp/image.tgz on a production Juniper MX router not during maintenance? Can I break something with this ...
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3answers
1k views

How can I monitor traffic matching a IP address?

I see this article: user@host> monitor traffic matching “port 22” no-resolve there can matching a port and I can matching arp too: user@host> monitor traffic matching “arp” no-resolve but, ...
4
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1answer
780 views

Partially Faulty QSFP+ breakout port - possible config error?

Network Equipment: Juniper Ex4600, 40GbE QSFP+ -> 4x 10GbE SFP+ DAC cable, Mellanox ConnectX-2 Problem: One of the SFP+ physical link cannot be brought up (xe-0/0/25:0 Physical Link Down, xe-0/0/25:1,...
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0answers
29 views

GRE IPIP on QFX3500

We have 2x QFX3500 in Virutal CHassis mode, so : can we lunch 2-4x GRE or IPIP tunnel ? onyl 2x tunnel is active and 2x tunnel is in standby mode, that 2 active tunnel has around 80-90mbps IMIX ...
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2answers
404 views

Juniper NetScreen NAT from a secondary Untrusted Zone

We have multiple public IP address subnets for various purposes. I need to create an Internal Zone behind NAT that presents itself as having an external IP in External Zone B. [...
5
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1answer
285 views

Finding the right BFD timers between Juniper QFX5110 and Cisco ASR1000

I am trying to configure BFD for both OSPF and BGP on the Cisco ASR1000 (non X) and Juniper QFX5110. The problem is that the QFX doesn't officially support BFD timers lower than 1000ms without ...
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1answer
68 views

is it possible calculate a IP of Transit Traffic's rate in Juniper port mirroring?

In Juniper Router MX480, we can configure the port mirroring of a transmit port. then, is it possible calculate a IP of Transit Traffic's rate in Juniper port mirroring? I mean, I can configure B port ...
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1answer
93 views

Juniper Ex4200 problem with assign firewall to access port

This is my firewall filter rules : family ethernet-switching { filter port5 { term port5 { from { source-address { 192.168.1.0/29; ...

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