Yes Kings, I would have said the same thing as Tyson, I've never really had any 
issues with it.  Let us know when you come across the issue again.

Regards,

Brandon Carroll - CCIE #23837
Senior Technical Instructor - IPexpert
Mailto: [email protected]
Telephone: +1.810.326.1444
Live Assistance, Please visit: www.ipexpert.com/chat
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IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, Audio 
Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE (R&S, 
Voice, Security & Service Provider) certification(s) with training locations 
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On Apr 27, 2010, at 10:34 AM, Kingsley Charles wrote:

> Thx Tyson/Roger, I will post the configs when I hit the issue again.
>  
> With regards
> Kings
> 
> On Tue, Apr 27, 2010 at 9:17 PM, Roger Cheeks <[email protected]> 
> wrote:
> I concur with Tyson on this... here is a sample of a configuration I ended up 
> placing in production after lots of testing.
> 
> interface <interface you want to block on>
>   ip policy route-map inet_block
> 
> ip access-list extended inet_block
>  permit ip <subnet address> <wildcard mask> any
> 
> route-map inet_block permit 10
>  match ip address inet_block
>  set interface Null0
> 
> Let me know if you have questions about my testing or configs.
> 
> ~Roger
> 
> On Tue, Apr 27, 2010 at 11:29 AM, Tyson Scott <[email protected]> wrote:
> I have never had problems with PBR unless I have a misconfiguration ;)  Would 
> need examples of what didn't work to know.
> 
>  
> Regards,
> 
>  
> Tyson Scott - CCIE #13513 R&S, Security, and SP
> 
> Technical Instructor - IPexpert, Inc.
> 
> Mailto: [email protected]
> 
> Telephone: +1.810.326.1444, ext. 208
> 
> Live Assistance, Please visit: www.ipexpert.com/chat
> 
> eFax: +1.810.454.0130
> 
>  
> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, 
> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE 
> (R&S, Voice, Security & Service Provider) certification(s) with training 
> locations throughout the United States, Europe, South Asia and Australia. Be 
> sure to visit our online communities at www.ipexpert.com/communities and our 
> public website at www.ipexpert.com
> 
>  
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Kingsley 
> Charles
> Sent: Tuesday, April 27, 2010 2:58 AM
> To: Brandon Carroll
> Cc: [email protected]
> Subject: Re: [OSL | CCIE_Security] Clairification on backhole and sinkhole
> 
>  
> Hi Brandon
> 
>  
> Sometimes with the PBR where I send traffic to the null interface, doesn't 
> get dropped. I see the counters
> 
> increased on the ACL associated with the route-map. Any thought?
> 
>  
> Tried both globally and local on the interface.
> 
>  
>  
>  
> With regards
> 
> Kings
> 
> On Mon, Apr 26, 2010 at 8:43 PM, Brandon Carroll <[email protected]> 
> wrote:
> 
> Kings,
> 
>  
> Off the top of my head if I were asked to route traffic to a Black Hole or a 
> Sink Hole I would think of using something along the lines of PBR setting the 
> next hop to null0.
> 
>  
>  
> Regards,
> 
>  
> Brandon Carroll - CCIE #23837
> 
> Senior Technical Instructor - IPexpert
> 
> Mailto: [email protected]
> 
> Telephone: +1.810.326.1444
> 
> Live Assistance, Please visit: www.ipexpert.com/chat
> 
> eFax: +1.810.454.0130
> 
>  
> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, 
> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE 
> (R&S, Voice, Security & Service Provider) certification(s) with training 
> locations throughout the United States, Europe, South Asia and Australia. Be 
> sure to visit our online communities at www.ipexpert.com/communities and our 
> public website at www.ipexpert.com
> 
>  
> Platinum Solutions Group (PSG) provides high-end consulting services with a 
> primary emphasis on Cisco's Data Center Solutions, Service Provider 
> Solutions, Unified Communications and Security-enabled infrastructures. Be 
> sure to visit www.platinumsolutionsgroup.com. 
> 
>  
>  
> On Apr 26, 2010, at 12:13 AM, Kingsley Charles wrote:
> 
>  
> Hi all
> 
>  
> In the CCIE blue print, under Configure Advanced Security, we have the 
> following:
> 
>  
> Configure Black Hole and Sink Hole solutions
> Configure RTBH filtering (Remote Triggered Black Hole)
>  
> http://www.cisco.com/web/learning/le3/ccie/security/lab_exam_blueprint_v3.html
> 
>  
> I am aware of RTBH (source based and destination based).
> 
>  
> Can someone please share your thoughts for blackhole and sinkhole with some 
> examples.
> 
>  
>  
> With regards
> 
> Kings
> 
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please 
> visit www.ipexpert.com
> 
>  
>  
> 
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please 
> visit www.ipexpert.com
> 
> 
> 

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