Want to protect your cyber security and still get fast solutions? Ask a secure question today.Go Premium

x
?
Solved

Using static internal IPs through two VPN devices

Posted on 2013-05-29
7
Medium Priority
?
365 Views
Last Modified: 2013-10-14
I have a group of users who are assigned static IPs when VPNing into our network, in order to accurately send them audio/video streams.  They are getting assigned 192.168.7.x IPs.  Routing for 192.168.7.x on our internal core switches points towards our single VPN endpoint.

I would like to configure a backup VPN endpoint that might be used by these users.  I can assign them their 192.168.7.x IPs through RADIUS, but how would my routing work?  My core switches are currently pointing towards the existing VPN device for 192.168.7.x addresses.  Is there any way to tell them that 192.168.7.x address might be through VPN device 1, but might also be through VPN device 2?  Thank you for any help that you can provide.
0
Comment
Question by:sloth10k
  • 4
  • 2
7 Comments
 
LVL 72

Expert Comment

by:Qlemo
ID: 39206167
You can provide a route to the other device, with a higher metric (TTL). However, that requires that the link to the primary VPN router goes down, or an according ICMP message is sent back from that router if the VPN is not available.
0
 

Author Comment

by:sloth10k
ID: 39208395
As you point out, that solution would require sort of an all-or-nothing cutover between the two devices.  I am looking for a solution where the two VPN devices could be used in parallel.  For example, remote users on a certain ISP cannot access VPN device 1, but they can access device 2, because the two devices are on different carriers.  Thanks for the suggestion.
0
 
LVL 72

Expert Comment

by:Qlemo
ID: 39208412
A route can always point to a single gateway only. The info of where a incoming packet was coming from (which router etc.) is not available (or ignored), so a "return same way" approach is not feasible.

I assume the association between client and ISP (and hence device to use) is static? Then you should be able to split the .7 network in subclasses reserved for each VPN device, and create routes accordingly. Instead of subclassing, different VLAN tagging might be working, too.
0
What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

 

Author Comment

by:sloth10k
ID: 39216603
Unfortunately, the association between client and ISP is not static.  It's possible that any remote client may need to come into either of the two VPN devices.
0
 
LVL 72

Accepted Solution

by:
Qlemo earned 1500 total points
ID: 39217455
Then "You can't do that" seems to be the appropriate answer ...
0
 
LVL 1

Expert Comment

by:terminal_dk
ID: 39218253
The only solution is the split 192.168.7.x into 2 subnets, and assign IPs depending on what VPN router the user hits. So on VPN he might get 192.168.7.3 and on VPN2 me might get 192.168.7.131.
0
 
LVL 72

Expert Comment

by:Qlemo
ID: 39571642
terminal_dk,

The asker insists on having static IPs, with "dynamic" ISP. Subnetting has been suggested already, but is not available because of the non-static ISP association.
0

Featured Post

Receive 1:1 tech help

Solve your biggest tech problems alongside global tech experts with 1:1 help.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Unable to change the program that handles the scan event from a network attached Canon/Brother printer/scanner. This means you'll always have to choose which program handles this action, e.g. ControlCenter4 (in the case of a Brother).
In this article, the configuration steps in Zabbix to monitor devices via SNMP will be discussed with some real examples on Cisco Router/Switch, Catalyst Switch, NAS Synology device.
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
In this tutorial you'll learn about bandwidth monitoring with flows and packet sniffing with our network monitoring solution PRTG Network Monitor (https://www.paessler.com/prtg). If you're interested in additional methods for monitoring bandwidt…

572 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question