[c-nsp] IPV6 RTBH on IOS

[Marco Marzetti]

On 2016-05-03 08:47, Gert Doering wrote:
> Hi,
> 
> On Mon, May 02, 2016 at 11:39:47PM +0200, Sebastian Ganschow wrote:
>> There's a feature request open for this.
> 
> The whole "use link-local next-hops for peers where the session is via
> a global address" is one of the most stupid ideas in this whole IPv6 
> thing
> anyway.  There is no benefit, but a heap of drawbacks (like, instant
> black holing if ND fails for the link-local address) - and it's no 
> wonder
> that no other vendor but Cisco does this...
> 
> I have a feature request to at least add a knob for "please use GUA
> next-hop!" - CSCut26765 - it was opened by a friendly Cisco developer,
> and I have no read access to it, so no idea whether it's proceeding or
> not.  But if you have interest in getting this fixed, please open a
> case and link to it...
> 
> gert

Sebastian,

Thank you!


Gert,

As far as i can see there are two valid options for that:
1) route-map + disable-connected-check
2) bgp table-map

And on XR (5.3.1) you only need the route-policy.

Why do we need yet another knob?

Regards

-- 
Marco