[c-nsp] Portchannel DCEF across different VIPS in 75xx

[Joe Maimon]

Rodney Dunn wrote:

>One benefit I see is that your downtime for
>the full PC would be less if you spread the
>member links over VIPs in the event you have
>a VIP crash and have SLCR enabled (single line-card
>reload).  You will still see a very short drop
>of traffic in the chassis while MEMD is recarved
>but it's a lot lot less than having to do a CBUS
>complex restart and reload the code to all the cards.
>
>For those of you that don't have SLCR enabled please
>enable it. /*plug*/
>
>  
>
Excellent point.

Why isnt SLCR enabled by default if the image supports it and the VIPS 
support it?