Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Nick Hilliard
Baldur Norddahl wrote: > With two uplinks that is highly unlikely to the point of being impossible. > There is no topology change upstream that can cause a situation where it is > not possible to do a high degree of aggregation of the full default free > routing table before loading it in the FIB.

Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Baldur Norddahl
Den 29. apr. 2016 15.31 skrev "Nick Hilliard" : > > Laszlo Hanyecz wrote: > > I'm curious about specific failure modes that can result from this, if > > anyone can share examples/experience with it. > > The canonical pathological case is where the deaggregated prefixes are >

Weekly Routing Table Report

2016-04-29 Thread Routing Analysis Role Account
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG. Daily listings are sent to

Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Ryan Woolley
Just to be clear, this isn't (to my knowledge) something that Arista is doing and so the risk described doesn't affect the products that were discussed on that thread. On Fri, Apr 29, 2016 at 9:30 AM, Nick Hilliard wrote: > Laszlo Hanyecz wrote: > > I'm curious about specific

Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Nick Hilliard
Laszlo Hanyecz wrote: > I'm curious about specific failure modes that can result from this, if > anyone can share examples/experience with it. The canonical pathological case is where the deaggregated prefixes are affected by upstream topology changes and suddenly your optimisations which saved

Re: BGP FlowSpec

2016-04-29 Thread dennis
Hi Amplification attacks and syn floods are just touching the surface of ddos attack vectors.  You should look into some industry reports: Here are a couple examples to get you started. https://www.radware.com/ert-report-2015/ http://www.verizonenterprise.com/verizon-insights-lab/dbir/2016/

Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Laszlo Hanyecz
On 2016-04-29 12:48, Nick Hilliard wrote: Alain Hebert wrote: PS: "Superfluous" is a nice way to say that the best path of a subnet is the same as his supernet. ... from the point of view of the paths that you see, which is to say two egress paths. Someone else on the internet may have a

Re: Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Nick Hilliard
Alain Hebert wrote: > PS: "Superfluous" is a nice way to say that the best path of a > subnet is the same as his supernet. ... from the point of view of the paths that you see, which is to say two egress paths. Someone else on the internet may have a different set of bgp views which will

Friday's Random Comment - About: Arista and FIB/RIB's

2016-04-29 Thread Alain Hebert
While following that Arista chat... That reminded me of that little afternoon project years ago. So I decided to find new hamsters, fire up that VM, refresh the DB's and from the view point of a tiny 7206VXR/G1 with 2 T3 peers... The amount of superfluous subnet advertisement drop to

Re: BGP FlowSpec

2016-04-29 Thread Martin Bacher
Hello Tyler, thanks for your reply. > Am 28.04.2016 um 17:37 schrieb Tyler Haske : > > Martin, > > > > Last but not least: I am also looking for anonymized statistical data about > > DDoS attacks which I could use in the thesis. I am mainly interested in > > data

SAFNOG-3: Registration Now Open!

2016-04-29 Thread Mark Tinka
Hello all. Pleased to inform you that registration for the SAFNOG-3 meeting, to be held in Windhoek, Namibia, 8th - 10th August, 2016, is now open. To register your participation for SAFNOG-3, please visit the link below: http://www.safnog.org/ Please note that you will be able to view