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296 Views 2 Replies Latest reply: Jul 10, 2013 12:55 PM by alex_vani RSS
alex_vani Newcomer 31 posts since
Mar 24, 2013
Currently Being Moderated

Jul 10, 2013 11:19 AM

Default Gateways

Hi there,

I'm trying to use Primary and Secondary default gateways, however I would like to know the following.

 

1.- While using Primary/Secondary default gateways, once the secondary default gateway takes place to be used to route traffic (due alink problem on the 1st default gateway). What happens if the 1st default gateway (originally use) is recovered. Does the firewall swaps to the original default gateway?Or simple keeps using the secondary default gateway?.

 

thank you !

  • mtuma McAfee SME 314 posts since
    Nov 3, 2009
    Currently Being Moderated
    1. Jul 10, 2013 11:24 AM (in response to alex_vani)
    Re: Default Gateways

    Hello,

     

    In the scenario you described, the firewall will keep using the seconary default gateway. This was done to prevent a situation where the primary and secondary default routes flip flop themselves in the case of a networking issue. I found this in the man page for cf route:

     

    man cf_route

     

        Once a backup default route is configured, the ispd daemon monitors the

         state and status of the default route.  If a loss of connectivity is

         detected the ISP daemon will change the default route to the backup

         default route.  When the default route becomes available again, the

         adminstrator may initiate a switch back to it by use of the cf route

         reset_default command.  No automatic fail-back will be performed.

     

    Command to reset:

     

    cf route reset_default

     

     

    -Matt

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