Jump to content


MGMT IP confusion- newbie question

  • Please log in to reply
1 reply to this topic

#1 Michael Rogers

Michael Rogers
  • Members
  • 1 posts

Posted 11 July 2018 - 02:21 PM

We are setting up our first ngfw and running into a problem that is probably simple.  We are new to the barracuda firewall and still learning the ins and outs.  I am trying to create a route to our server network but it appears to be conflicting with the mgmt ip address.


We get an error that says "pending gateway route 192-Servers with target "" generates duplicate route".


Our current setup-


internal ip  <----ngfw---> external isp ip -- x.x.x.x/30. 


Route to get to our internal user networks via  Works fine.


ngfw physical mgmt interface has an ip address in our server vlan




The problem occurs when I try to setup a route to get to our server networks via


I understand the why but i'm not sure how to fix it. 


Any advice would be greatly appreciated.  




#2 Michael Zoller

Michael Zoller
  • Barracuda Team Members
  • 194 posts

Posted 12 July 2018 - 01:57 AM

The firewall will not allow duplicate routes. You can change the existing managment network to match the /20 netmask (but you must plug in to the port the MGMT IP is on - usually p1 or MGMT) or change the Management IP to be in a different unused subnet.  You alw




I can also highly recommend doing the first couple of modules of the CloudGen Firewall Foundation training videos (they are free). That will save you a lot of time and frustration when configuring the firewall for the first time: