IPv6 Type 0 Routing Header issues

Patrick Grossetete pgrosset at cisco.com
Mon Apr 30 18:24:10 CEST 2007


         Gert,

         On Cisco routers able to be configured as MIPv6 HA then you 
can use the Routing Type filter from
the previous e-mail beginning with IOS 12.4(2)T

Regards
Patrick


At 05:48 PM 4/30/2007, Gert Doering wrote:
>Hi,
>
>On Mon, Apr 30, 2007 at 05:46:12PM +0200, Sebastian Wiesinger wrote:
> > > - all the nice and shiny IPv6 filtering stuff isn't available in
> > > 12.2S-based releases yet.  Thanksverymuch.
> >
> > Oh. That's a bummer. Well I'm out of ideas. Perhaps using a bridge to
> > filter it on L2 if possible.
>
>Haaaahaha :-)
>
>What you *can* do is drop all routing headers, but then you break
>Mobile IPv6.  Which nobody is using.
>
>OTOH, using control plane policing, policing packets with RH headers
>targetting your routers down to "100 pps" *should* definitely reduce the
>usefulness of RH0 attacks using these routers as "bounce point" - if it
>is properly supported, which I'm not 100% sure right now.
>
>Gert Doering
>         -- NetMaster
>--
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>
>SpaceNet AG                        Vorstand: Sebastian v. Bomhard
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