Questions tagged [junos]
Junos Network Operating System
60
questions
9
votes
1
answer
507
views
Simple Multicast Design
In order to support desktop imaging requirements I need to correct the multicast design on an existing network, but am not well versed in this subject. The diagram below gives a basic example of the ...
- 8,753
5
votes
1
answer
34k
views
Junos: find out each interface's ip
Sorry if my explanation is confusing.
I need to get all the ip addresses of a Juniper Switch and Router (different models). On Cisco IOS I can get that with show ip interface brief | exclude ...
- 117
4
votes
2
answers
7k
views
Juniper EX3300 routing issue
The routing on my Juniper EX3300 does not seem to be working. My ISP's gateway is at xx.xx.xx.xx. And I have the following in the configuration:
routing-options {
static {
route 0.0.0.0/0 ...
- 147
3
votes
1
answer
4k
views
configuration transfer over scp on commit not working on Juniper EX-2200 switch
I am making a series of configuration changes on Junos EX- 2200 switch.I have this router connected to another PC via an ethernet cable.The IP address of the switch is 192.168.1.1.I am able to ping ...
- 303
3
votes
1
answer
124
views
DOS Protection EX Series
So I've read a number of white papers from Juniper containing some DOS prevention strategies. I'm not looking to prevent any one in particular, but rather just ensure the network is as best protected ...
- 509
2
votes
1
answer
6k
views
Using the Juniper EX3300 Switch as a router?
I have a Juniper EX3300 switch in a data center. And I have connected one of the uplink ports (ge-0/1/0) to my ISP's router. I want to configure it so that all the devices connected to ports in the ...
- 147
2
votes
1
answer
4k
views
Using Juniper EX3300 as a router [duplicate]
Possible Duplicate:
Using the Juniper EX3300 Switch as a router?
So I have a Juniper EX3300 Switch. One of its uplink ports (ge-0/1/0) is connected to my ISP's router. ISP router's port address ...
- 147
2
votes
4
answers
3k
views
Can I use Third Party Compact Flash in a Juniper M10i Router?
Juniper list price for 1GB of CF is around 100 times what I would expect to pay for a third party card.
The J-Series release notes have a list of supported third party parts, but there is no ...
- 2,597
2
votes
1
answer
3k
views
Disable NTP on Juniper SRX-240
I'm trying to shutdown/disable the ntp daemon running on a Juniper SRX-240 (junos 11.4), but the obvious solution is apparently not valid for this hardware/software combination.
- 145
2
votes
2
answers
4k
views
Cisco Sticky Mac vs Juniper Persistant-Mac
I’m trying to figure out if there is an inherent flaw in the way JUNOS handles sticky-mac addresses across their switch-ports versus how Cisco handles them. I’ll elaborate.
Below, you can see that ...
- 200
2
votes
1
answer
3k
views
Configuring routing in Juniper router
I have a Juniper SRX220 (junos) router where I have configured vlan.1 and vlan.2 with IP 10.0.1.1/24 and 10.0.2.1/24.
Now I want to route between these networks. How do I configure that in Junos? I ...
- 153
2
votes
1
answer
835
views
CISCO pix/asa Shun command equivalent on Junos
does any one knows if there is some equivalent of the shun command on Juniper Junos OS?
The shun command on the ASA Firewall appliance is used to block connections from an attacking host. Packets ...
- 478
2
votes
4
answers
507
views
JUNOS firewall issues
I am in the process of trying to setup a Juniper SRX240. I have been using the screenOS firewalls for sometime and having some difficulty adjusting.I haven't quickly been able to find a way to do in ...
- 528
1
vote
2
answers
4k
views
VLAN support on Juniper EX - 2200 switches
I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology.
I have two PC's that I am using
PC1 - (used for configuring the 6 switches via minicom) PC2 - to ...
- 303
1
vote
1
answer
248
views
Is there an equivalent of Cisco IOS' virtual tunnel interfaces in Juniper's JUNOS?
It sounds like Cicso's virtual tunnel interfaces let you run dynamic routing protocols over IPSEC tunnels without GRE (see here). I was wondering if there was an equivalent in Juniper's JUNOS. I didn'...
- 1,718
1
vote
1
answer
2k
views
Juniper SRX refuses to add new ip addresses to ARP (unless)
I have a juniper SRX340 running as default gateway, I have a linux server (virtual machine actually) running debian 8.
juniper ip: 192.168.1.1 Debian ip: 192.168.1.101 (eth0)
I would like to add ...
- 763
1
vote
1
answer
383
views
EX4550 and EX4300 speak different dialects of JunOS 13.2X51-D35.3?
I have four EX4300-48T switches -- two in a VC, and two stand-alone -- both running JunOS 13.2X51-D35.3. I have, because I miraculously found some budget, added to these switches a pair of EX4550-32F ...
- 14.4k
1
vote
2
answers
1k
views
juniper ex2200c get temperature via snmp
I have a juniper ex2200c and am trying to get the temperature via snmp.
I'v tried this tutorial by juniper, but my switch doesn't seem to answer.
snmpwalk -v 2c -c foobar23 192.168.1.10 1.3.6.1.4.1....
- 139
1
vote
1
answer
235
views
Junos Routes - Route Specificity vs Protocol
I am trying to load balance a router to send traffic over two uplinks (with equal capacity). I generated static routes for every /8 on the internet (for ipv4) and plugged it in. Unfortunately it does ...
- 515
1
vote
1
answer
858
views
How do I span my WAN subnet to my L3 switch using SonicOS L2 bridge mode? (Sonicwall and JunOS)
I have two sets of ESXi hosts, one set for management and one for tenants. Each ESXi host has 8 nics and four vSwitches. All vSwitches are trunked via aggregated interfaces to a pair of EX in VC mode.
...
- 105
1
vote
1
answer
198
views
Setting a Custom SBL in Junos UTM
I am looking for how to set a custom SBL, zen.spamhaus.org instead of the default msgsecurity.juniper.net, in Junos UTM.
- 53
1
vote
1
answer
601
views
SIP ( Asterisk ) CoS solutions with no VLAN's?
I have a Asterisk box actually two running pure asterisk. No GUI i.e. FreePBX, TL etc. The asterisk box is connected to a an EX4200 VC Stack, the EX4200's then connect to our headquarters via a Qwest ...
- 161
1
vote
1
answer
159
views
IOS traffic-export equivalent for Junos
In IOS the traffic-export command allows you to take incoming packets and send them, unaltered, to a specific interface. Is there an equivalent way to do this in Junos? I've got a J-series 2350 here. ...
- 11
1
vote
1
answer
1k
views
Upgrade JunOS from 11.4R1.14 to 13.3R5.9 on MX-80
I'm tried to upgrade from 11.4R1.14 to 13.3R5.9. Before upgrade I'm validate jinstall, but it's failed with message:
> request system software validate /var/tmp/jinstall-ppc-13.3R5.9-domestic-...
1
vote
0
answers
351
views
Can pvlan-trunk Ports Carry normal vlans too on Juniper EX8208?
I'm trying to implement pvlan on Juniper EX8208 which will span across multiple switches (to a Cisco nexus 7000 Series) and need to know if the Inter-Switch-Link Port with "pvlan-trunk" will allow ...
- 11
1
vote
0
answers
501
views
Connecting to incoming VPN clients from local ip
I have a dynamic VPN set up on a SRX 220 running Junos 11.4R10.3
Clients can connect and access the protected resources, but systems on the local network can not access connected clients. ...
- 111
1
vote
0
answers
722
views
Keepalived, Junos, and ARP caching
I'm trying to configure an active-passive stunnel setup, with the aid of Keepalived, for a public IP address at our company datacenter. I would like to know if a router or switch reconfiguration is ...
1
vote
1
answer
1k
views
Juniper SRX240H occasionally dropping connections
One of our clients has an SRX240H in their office that occasionally is dropping connections going LAN to WAN. For example: they could be on an IRC server and they will drop out for 2 minutes and then ...
- 3,245
0
votes
2
answers
1k
views
I have a Juniper SRX100 and a WIN 10 PC connected, but they can't seem to ping each other, although they are on the same subnet
I'm new to Juniper and need some troubleshooting help. I have a Juniper SRX100 and a WIN 10 PC connected, but they can't seem to ping each other, although they are on the same subnet (192.168.10.0/24)....
- 1
0
votes
1
answer
3k
views
Dead-simple Juniper firewall hairpinning [closed]
I have a SRX100 firewall running JunOS 12.1. I have a WAN interface proxy ARPing ten or so static routable IPs. I have a LAN interface on a simple class-C subnet (we'll call it 192.168.0.x). I'm using ...
- 81
0
votes
1
answer
7k
views
Configuring VLAN on Juniper EX2200 switches
I have a Juniper EX2200-24T switch.It is configured as an L2 switch (i.e the interfaces are configured in such way that they do not have an IP address.).I have manually connected the port ge-0/0/0 of ...
- 303
0
votes
2
answers
4k
views
How to change the 'internal IP address' of a Juniper SRX210H
How do I change the 'internal IP address' (Not the WAN IP) (192.168.1.1) to something else via the 'Juniper Web Device Manager'?
Thanks!
- 222
0
votes
1
answer
2k
views
VLAN with trunk to avoid broadcast storm in a network with redundant paths
I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology.
I have two PC's that I am using
PC1 - (used for configuring the 6 switches via minicom)
PC2 - to ...
- 303
0
votes
1
answer
942
views
Arp tries on various *nix based systems
Does anyone know what determines the amount of arp tries a router will make?
I have different behaviors with two devices, if I try to traceroute to a non-existent host on a subnet that belongs to an ...
- 181
0
votes
1
answer
146
views
Junos custom-attack signature pattern syntax
I am stuck at a point with the configuration of a custom-attack signature in Junos. According to the Junos Custom Attack Definition documentation page, I can set up a custom attack based upon a ...
0
votes
1
answer
3k
views
How to force 1G speed for Juniper QFX5100 10G ports?
I have available a Juniper QFX5100-48S switch (48 SFP 10G ports, 6 QSFP ports) that I cannot join into our network since an SFP DAC 10G cable connecting it to an SFP port on a HP V1810-48G switch does ...
- 45
0
votes
1
answer
5k
views
How to see all disabled interfaces in Juniper console?
How to see all disabled interfaces in Juniper console without looking through all of them?
I have a Juniper EX4500 switch with JunOS 11.4R1.6 and all 48 ports are filled, so there are 96 interfaces in ...
- 33
0
votes
1
answer
2k
views
JunOS Regular Expressions for AS Path
I want to write a regex in Juniper MX960 router for BGP including 3 AS paths with first element is constant, second and third are wildcard. I found that we can put as numbers manually like this:
"...
- 25
0
votes
1
answer
734
views
enabling MPLS,RSVP and OSPF-TE
I am using Juniper J-series routers to emulate a small telco and VPN customer.I need to use OSPF so that the routing information can be propagated to all P and PE nodes (basically all core and edge ...
- 303
0
votes
1
answer
640
views
Login configuration script for Junos EX 2200 using minicom
I am connecting to Junos OS on Juniper EX-2200 switches using minicom as shown below
minicom -C log_sw1 sw1
Now I have a series of commands that I need to execute on sw1.(example shown below)
cli
...
- 303
0
votes
2
answers
894
views
Juniper J4350 out of order
I have got two (2) Juniper routers J4350 that are out of order :
All the interfaces are down (leds on the interfaces don't ligthen, ping dosen't respond)
No output on the console port (even when ...
0
votes
0
answers
129
views
Aruba to Juniper EX4200
So I have a bit of an unusual situation -- I'm trying to use a EX4200-48-PoE juniper switch with our Aruba (HP) network in place -- just as a transitional move as we're doing some construction to give ...
- 59
0
votes
1
answer
348
views
Juniper LACP with linux server not increase speed
And:
I'm using R630 with Debian 11 and Ex2200 with version 12.3R12.4
The network: each server using 4 link to sw
server 1 ==== switch ==== server 2
Here is server config ( both server )
auto lo
...
- 133
0
votes
0
answers
324
views
Juniper MX traffic shaping - bypass rate limits for just a few destinations
The aforementioned MX router is a BRAS providing access for about 3,000 subscribers, using the 'dynamic-clients' functionality. Each subscriber demux interface gets assigned a specific firewall rate-...
0
votes
0
answers
272
views
Objects in firewall filters on Juniper devices
Greetings and sorry for my English.
I'm setting firewall filters on several Juniper SRX3xx appliances running Junos 15.1X49. What I'm actually trying to accomplish is to minimize my future manual ...
- 79
0
votes
1
answer
2k
views
JUNOS set system syntax error
I'm trying to enable the web interface on JUNOS 11.4R13.5 (outdated I know)
I'm trying to use the command set system services web-management https interface
But I'm unable to run it as I get a ...
- 1
0
votes
1
answer
91
views
Subnetting: Access 10.1.0.1 from 10.1.2.1?
Here is the newly configured vlan on my Juniper:
vlans {
vlan1 {
vlan-id 3;
l3-interface vlan.1;
}
}
interfaces {
vlan {
unit 1 {
family inet {
...
- 284
0
votes
1
answer
112
views
JunOS SCU (source class) matching not working on vMX 18
I testing Junos Subscriber Manager on virtual playgroung.
All seems fine and work as expected on real hardware. But with dynamic profile with source-class sclass_mytest option not working.
If I ...
- 79
0
votes
1
answer
152
views
Why is the 'Move' box always disabled on our SRX 500 running JunOS 12?
I've been trying to determine what has happened with the SRX500's we have at work. They are running JunOS 12 [12.1X46-D40.2].
For some reason the 'Move' box in the upper right of the Security > ...
- 13
0
votes
0
answers
758
views
Can Juniper SRX300 act as VPN Client/SOHO Router?
I have a pair of Juniper SRX300 Services Gateway, that I was hoping to use at each end of a VPN Tunnel. I can see how to setup the VPN server-end, but I am trying to find the documentation to ...
- 111