Re: 3560 sdm prefer dual-ipv4-and-ipv6 default

That is the default behavior. The SDM prefer is part if the config that you are erasing. Look in your startup for the SDM prefer- I don't recall if it's visible, but a wr erase puts it back in desktop default.

Regards,
Jay McMickle CCIEx2 #35355 (R/S,Sec)
Sent from my iPhone

On May 11, 2013, at 8:22 AM, Doug Kenline <dkenline_at_hotmail.com> wrote:

> It seems I am not able to save the configs for sdm prefer dual-ipv4-and-ipv6
> default.
>
> I am doing an ipv6 lab.
>
> I'm on a 3560 switch.
>
> I do this command....
>
> SW1(config)#sdm prefer dual-ipv4-and-ipv6 default
>
> and then I save configs and reload the switch so I can now configure ipv6
> unicast-routing and put ipv6 addresses onto the interfaces.
>
> Everything is working good and then it comes time to quit for the day. So I
> write the configs and save the configs to flash drive. Then I write erase and
> reload to clean up the switch for the next guy in line.
>
> Then i come back the next day to start again.
>
> I load the saved configs from flash drive and do show sdm prefer and i'm back
> to default template and all of my ipv6 addresses have been wiped out.
>
> SW1#show sdm prefer
> The current template is "desktop default" template.
> The selected template optimizes the resources in
> the switch to support this level of features for
> 8 routed interfaces and 1024 VLANs.
> number of unicast mac addresses: 6K
> number of IPv4 IGMP groups + multicast routes: 1K
> number of IPv4 unicast routes: 8K
> number of directly-connected IPv4 hosts: 6K
> number of indirect IPv4 routes: 2K
> number of IPv4 policy based routing aces: 0
> number of IPv4/MAC qos aces: 0.5K
> number of IPv4/MAC security aces: 1K
>
>
> Maybe I will need save all of my ipv6 address configs on a notepad and just
> expect them to be wiped out because this sdm prefer?
>
>
>
> Doug Kenline
> Reston, Virginia
>
>
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Received on Sat May 11 2013 - 08:30:21 ART