16 Sep
2013
16 Sep
'13
1:10 p.m.
On 16/09/2013 18:01, Ben Bartsch wrote:
We certainly did when we starting advertising all the bogons to our ISP peers. Probably should have had an inbound AS path filter on that cymru peering...
better still, tag them all with a BGP community to make a note that they are bogons from Cymru (i.e. immediately identifiable throughout your network), and also tag them with no-export to ensure that they cannot propagate outside your asn. as-path filters are inefficient from several points of view. Nick