Failover problem

[Jorge Raimundo]

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Adding some notes:

The two servers are in a separate VLAN. The router is configured to
make DHCP relay to the DHCP VLAN. If both servers were behind NAT,
they would answer with the same IP address. Is this configuration
possible or does it poses problems?

Best regards,

Jorge Raimundo


Jorge Raimundo escreveu:
> I have the following failover dhcp servers configuration:
>
> Primary
>
> failover peer "failover" { primary;
>
> address 10.10.20.2; peer address 10.10.20.3;
>
> port 847;                     # listen on this TCP port peer port
> 647;                # connect to peer on this port
>
> max-response-delay 60;        # how many seconds to wait for answer
> from peer max-unacked-updates 10;       # how often to try to
> contact the failover peer load balance max seconds 3;   # a cutoff
> after which load balancing is disabled
>
> # options for primary server only: split 128;                    #
> load balancing threshold (should be 128) mclt 3600;
> # Maximum Client Lead Time }
>
> ....
>
>
> Secondary
>
> failover peer "failover" { secondary;
>
> address 10.10.20.3; peer address 10.10.20.2;
>
> port 647;                     # listen on this TCP port peer port
> 847;                # connect to peer on this port
>
> max-response-delay 60;        # how many seconds to wait for answer
> from peer max-unacked-updates 10;       # how often to try to
> contact the failover peer load balance max seconds 3;   # a cutoff
> after which load balancing is disabled }
>
> repeats the primary ....
>
>
> I have the following problem: some laptops that try to receive an
> address to connect via wireless connection hung in the process of
> getting the address. I've sniffed the communication and I saw the
> following: - DISCOVER - OFFER (from the primary) - REQUEST - ACK
> (from the secondary, witch is ignored by the client)
>
> Is there anything wrong with this configuration?
>
> Thanks for your help.
>
> Jorge Raimundo
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