Re: Best way to deal with bad advertisements?

[Avi Freedman <freedman () netaxs com>]

> We got hit by some guys from Poland (which made them uncontactable
> by phone).
>
> Try this:
>
> * Continue to advertise your /16s
> * Advertise more specifics of only the routes from the closest
>   AS to the trouble. Ensure they also filter the bad routes
>   as do all the AS's between that and the customer.
> * If anyone filters the more specifics, you will be *fine*
>   as they will also be filtering the bogon more-specifics,
>   but will still hear your /16s.

Ah, true :)

I knew there was a reason we were fine just announcing matching
more specifics.

> * Take the AS path to the bogon route. Complain to
>   those in the AS path in reverse order, till you get
>   to someone default free. You might also want to enlist
>   the help of your upstream.
>
> Alex Bligh
> Xara Networks

Avi

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