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Questions tagged [juniper]

Juniper Networks is a networking technology company headquartered in Sunnyvale, California. They design and manufacture core and edge routers, as well as switches and security devices, most of which run their custom operating system JunOS.

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MTU between Juniper and Cisco, cause of packet loss?

This office has a network consisting of Cisco Catalyst and Juniper EX L3 switch. Cisco Router and Juniper L3 switch share a OSPF area in between them. Hosts on Juniper side are running FTP servers and are keep running into packet loss that causes…
user192756
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netscreen sn25 vs cisco asa5505 speed

Current i have 2 server direct connect to 1 juniper netscreen sn25 firewall then go to internet, the intel 350 nic is setup at 100mbps (which should be able go up to 1000mbps). the problem is this limit the data trasfer rate (send & receive )…
user1357461
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Dead-simple Juniper firewall hairpinning

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 destination NAT and appropriate policy openings…
Ryan
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How to connect to server with ESXi through the Internet?

I have a samll lab I can practice on. I have a Dell PowerEdge R710 with ESXi 5.5 installed on it. I have a Dell Juniper JSRX210 H and a management laptop. I also have the Internet connection (I simply connect cable "to the wall"). I want to…
yak
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Setup IPsec VPN using ASA5505 behind Juniper SSG5

I have been assigned to establish a Internet IPsecVPN connection between two sites using Cisco ASA5505 A site currently has following setup.(Same setup is expected in another site) Internet----->ADSL Router----->Juniper SSG5----->Intranet (Im not…
i_ch3ry
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Juniper EX3300, how to use snmp to get the mac address list?

I am a network engineer at a middle network company,now we also use the traditional network architecture. While we deploy a new IDC point,we will meet the requite about how to identify a server with its mac-address,if we could get the mac list,I…
zzlyzq
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Juniper VPN client hardware?

I am using Juniper Network Connect software VPN client (v7.1) to connect to my company's network. I have to present a client certificate and additionally enter username/password to connect - a painful process that I keep repeating many times…
user186289
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Juniper SSG5 Firewall

I have a SSG5 firewall with some route based VPN. I have a LAN, a DMZ, an another net and WAN. How should I do to make DMZ use VPN and not LAN? I think it's a routing problem. But Source routing doesn't solve my problem. It was easier on my old…
Matthieu
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Can only access servers from one side of the VPN

I'm experiencing a rather weird problem. I have a VPN up between two sites. The VPN connects via two SSG140 Firewalls. It was working fine for about a year and yesterday it just stopped function properly. Site A VPN…
Barnz
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Juniper networks mac addresses of switches in a LAN

I have a LAN consisting of switches connected to each other then to some devices, How to get the mac address of the switch connected to a specific port on the main switch then get the ports and device names who have their mac address present in the…
user2402550
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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 total. Some tests I do involve repeated…
Tooluka
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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: "9121+ (one|two|three|...) (one|two|three|...)". This…
h0m3r
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Juniper Router - Load Balancing

I have a single Juniper router which is connected to multiple external ASs. I am looking to load balancing for best way to automatically move traffic away from one link the others (without hardcoded static routes) and have a few questions about the…
Programster
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SNMP not working on Juniper ethernet switch

I need some help on configuring SNMP for Juniper EX4500 ethernet switch. I am performing this command: host1:~# snmpwalk -v 2c -c my_community_string 192.168.1.1 .1 Timeout: No Response from 192.168.1.1 where 192.168.1.1 - switch's external IP…
Andrew
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Redistribution of iBGP learned routes to all routers?

I am trying to accommodate for a link failure between LB1 (a Linux machine running Quagga) and either PAT1 or PAT2 (Juniper MX80 routers). The following diagram is a canonical version of my network layout: BGP setup: PAT1 and PAT2 each have a eBGP…
Andy Shinn
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