Thanks Kingsley - The DSG is correct. This guide also configures a static Null0 on all the edge routers. I suppose I could ask the question then - Is there any way to get the trigger router to advertise the null0 route via bgp, rather than put it in statically on all the edge routers? Is my thinking not logical?
From: Kingsley Charles [mailto:[email protected]] Sent: Friday, January 29, 2010 10:50 PM To: Michael Davis Cc: [email protected] Subject: Re: [OSL | CCIE_Security] Lab 7a task 7.20 Source based RTBH Hi Michael I have attached a RTBH doc. With regards Kings On Fri, Jan 29, 2010 at 5:05 PM, Michael Davis <[email protected]<mailto:[email protected]>> wrote: Hi Everyone - I don't understand the solution for task 7.20. I just advertised the discard address route of 86.86.86.86 to null0 on the trigger router (R6) using IBGP. The solution guide created static routes to this address on all 3 routers. Is what I have done o.k? I would have thought it easier to just advertise the dummy network via IBGP than to create static routes to it on the individual routers. Does anyone know where to look in the documentation for RTBH? I have only been able to find documentation using a google search. _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com<http://www.ipexpert.com/>
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