Re: IOS DHCP Server Redundancy

I would guess that it is doable by using some scripting and database
binding.
Keep the DHCP down on the HSRP slave, and bring it up when router
becomes active. cross binding should take care of the lease synch.

Just an idea, never tried that :)
-Carlos

Antonio Soares @ 03/07/2014 13:30 -0300 dixit:
> Thanks, itbs an workaround and I believe it works. I was looking for a true
> DHCP Server Redundancy Feature. Maybe the feature just does not exist.
>
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> It seems even Microsoft only has that feature after Windows Server 2012.
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>
> http://technet.microsoft.com/en-us/library/hh831385.aspx
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> Regards,
>
>
>
> Antonio Soares, CCIE #18473 (RS/SP)
> <mailto:amsoares_at_netcabo.pt> amsoares_at_netcabo.pt
>
> <http://www.ccie18473.net/> http://www.ccie18473.net
>
>
>
>
>
> From: marc abel [mailto:marcabel_at_gmail.com]
> Sent: quinta-feira, 3 de Julho de 2014 15:55
> To: Antonio Soares
> Cc: Cisco certification
> Subject: Re: IOS DHCP Server Redundancy
>
>
>
> You could make them redundant by building 2 scopes in the same subnet, that
> don't overlap.
>
>
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> For instance if your subnet is a class C then have one hand out IP's 2-127 and
> the other hand out 128-254.
>
>
>
> On Thu, Jul 3, 2014 at 9:49 AM, Antonio Soares <amsoares_at_netcabo.pt> wrote:
>
> Hello group,
>
>
>
> I have this long time question and I still didn t find a solution. Anyone
> knows if IOS supports DHCP redundancy ? For example, we might have two
> routers or switches running VRRP/HSRP and at the same time running DHCP
> Server. Of course, we want to have the secondary VRRP/HSRP router/switch to
> take over the DHCP Server functions.
>
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> Thanks.
>
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>
> Regards,
>
>
>
> Antonio Soares, CCIE #18473 (RS/SP)
> amsoares_at_netcabo.pt
>
> http://www.ccie18473.net <http://www.ccie18473.net/>
>
>
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> --
> Marc Abel
>
> CCIE #35470
>
> (Routing and Switching)
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net