1
vote
2answers
54 views

LAN routing without vlan tagging?

On my old Allied Telesis router I had a single interface for internal traffic. I had multiple networks talking on this one interface. For example 192.168.2.X was vlan 1-2, and 192.168.3.X was vlan ...
0
votes
1answer
181 views

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 ...
1
vote
0answers
46 views

BOOTP on Juniper 4200 stack works one one subnet, not another

I have a Juniper Stack that connects vlans 10,11 and 50. 10 is servers, 11 is desktops and 50 management. Bootp is redirecting DHCP requests to a AD box on 10.x just fine for 50 vlan, and worked well ...
0
votes
1answer
60 views

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 ...
1
vote
1answer
1k views

Juniper SSG5 DHCP IP Pool is full. Unable to offer IP address to client

hope we have some Juniper guys around, I have configured a Juniper SSG5 as our main firewall/router the DHCP server set on interface bgroup1 to have a rang from 10.10.10.76 to 10.10.10.210 All ...
1
vote
1answer
808 views

DNS Server resolves external address,when vpn dns should resolve internal address

We have a special situation where Juniper Network Connect is used as VPN connection. When the VPN starts it creates the network adapter. When the vpn closes the network adapter disappears. Each time ...
3
votes
3answers
271 views

Having ssh access only, determine if the device is router or a switch (Cisco and Juniper)

There are some Cisco and Juniper devices on our network that I need to make a python script to determine what they are: switches or routers. I have ssh access, so I can show version and parse ...
0
votes
2answers
99 views

Is there a Juniper limitation on the number of SA in 'any to any' ACL in IKEv1

I've connected Juniper SRX5800 and another enodeB device (don't know the vendor) by an IPSec tunnel. It uses IKEv1 for negotiation of keys. there are 10 ACLs on the enodeB side and on Juniper SRX, I ...
0
votes
1answer
387 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 ...
3
votes
1answer
752 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 ...
2
votes
2answers
478 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 ...
0
votes
1answer
394 views

Juniper Network Connect - don't disconnect Internet [closed]

I'm using Juniper Network Connect to connect to a VPN. When I log in to the VPN it disconnects my other networks. I suspect this is a security feature, however I need to develop an application which ...
2
votes
0answers
1k views

Outbound traffic being blocked for MIP/VIPped servers (Juniper SSG5)

As we've been having some problems with sporadic packet loss, I've been preparing a replacement router (also an SSG5) for our current Juniper SSG5. I've setup the new SSG5 identically to the old one. ...
2
votes
1answer
813 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 ...
0
votes
2answers
393 views

MX960 port mirroring only Tx or Rx side

On Cisco routers there is an option to do port mirroring only on Rx or Tx side, by using this command: monitor session session_number source interface interface-id [, | -] [both | rx | tx] ...
2
votes
1answer
886 views

Juniper SRX210, How can i enable the port 554, 9001 for 192.168.1.151 local IP?

I have been strugling to solve this but still i can not fix it. I have 192.168.1.151 PC and it has 554 and 9001 TCP/UDP open. But i need to publicly access that. In my juniper srx210 i have this ...
1
vote
2answers
447 views

Connection timed out after plenty of new TCP connections through Juniper firewall

I have the following scenario: Two Windows Server 2008 are communicating in a client/server fassion with a Juniper ISG 1000 (6.3.0r6) in between. The client is creating around 100 new tcp connections ...
1
vote
3answers
1k views

juniper j2300 console connection?

I've been given a Juniper Networks J2300 router, but I've never used a juniper device before and no idea where to begin on how to connect to the console of the device. I have a serial to RJ45 cable ...
0
votes
0answers
924 views

Juniper SSG5 Dropping packets

We have a Juniper SSG 5 running Screen OS 6.2.0r9.0 at appears to be dropping packets. When downloading files (in a browser or FTP client like filezilla) sometimes they will just “hang” half way ...
3
votes
2answers
577 views

PowerConnect switches, Juniper firewalls and esx redundancy

Let me preface this question by saying that I am a developer and have basic knowledge of networking. My current job requires that I wear many hats. I am building out a DataCenter for our SaaS ...
2
votes
2answers
3k views

Multiple External IP Ranges on a Juniper SSG5

I have a Juniper SSG 5 firewall in a datacenter. The first interface (eth0/0) has been assigned a static IP address and has three other addresses configured for VIP Nat. I have a static route ...
-1
votes
2answers
413 views

Juniper Networks SRX240 as a office router? [closed]

We're a small (7 person) fast growing startup who just got our new office and we're having a 100 Mbps line installed from Cogent. I'm not familiar with Juniper devices, however the equivalent Cisco ...
3
votes
3answers
1k views

To LAG or not LAG?

I have a new ex4200 switch stack, my 3 esxi hyper-visors connect to the SAN via vlan 200 which is EST. I have loaded the Equallogic multipathing plugins. When I have the 4 cables per server dedicated ...
2
votes
3answers
1k views

Why should I use a switched network over routed?

Now that routers are affordable, why should I build a network using Layer 2 switches, which degenerate to broadcasting under poor conditions, and not just use real routing at Layer 3? Edit: Got some ...
1
vote
3answers
149 views

Why should I use Firewall Zones and not just Address Objects?

I appreciate Firewall Address Objects and Address Groups - they simplify management by letting me give a name to a group of addresses. But I don't understand what Firewall Zones (LAN, WAN, DMZ, etc.) ...
0
votes
2answers
3k views

which 10Gb switch has native CX4 copper ports?

networking experts please help with a recommendation for a 10Gb switch that has at least 3 native CX4 copper ports and preferably some 10GBASE-T. rack mount only! anything in CISCO? Juniper? We ...
5
votes
9answers
3k views

Why DELL PowerConnect and Juniper are so rare ? Why do enterprises stick with Cisco? [closed]

I have a little question, I'm actually studing IT in France, and when looking on alternative on the very [...] very expensive Cisco equipments, I've found Juniper and DELL PowerConnect pretty ...
2
votes
7answers
1k views

Networking issues with Linux server (CentOS 5.3)

I have a Linux server hosting our bug tracking software (CentOS 5.2 Kernel 2.6.18-128.4.1.el5) that I have having some strange network problems with. The machine is configured with two NICS, one for ...
0
votes
1answer
841 views

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 ...
2
votes
4answers
681 views

Has anyone had luck running 802.1x over ethernet using the stock Windows or other free supplicant?

I just wanted to see if anyone else has had luck implementing 802.1x over ethernet. So here's my basic setup. Switch sends out 3 eapol messages spaced out 5 seconds apart. if there's no response the ...
2
votes
4answers
2k 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 ...