[NANOG] Introducing latency for testing?

Chris Marlatt cmarlatt at rxsec.com
Sat Jun 14 15:47:32 CDT 2008


Frank Bulk - iNAME wrote:
> It's not free, but at a recent trade show I did see what appeared to be an
> affordable unit from Apposite Technologies (apposite-tech.com).  And there's
> always PacketStorm.
> 
> Frank
> 
> -----Original Message-----
> From: Mike Lyon [mailto:mike.lyon at gmail.com] 
> Sent: Friday, May 02, 2008 3:13 PM
> To: NANOG
> Subject: [NANOG] Introducing latency for testing?
> 
> So I want to mimic some latency in a test network for DB replication.
> I am wondering what other's have used for this? Obviously, the best
> way to would be to actually have one box across the US or across the
> globe to actually test against but what if you don't have that? Are
> there any GPL software router solutions that would allow you to tweak
> the latency in between the two test boxes?
> 
> Thanks in advance.
> 
> -Mike
> 
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> 

IIRC ipfw can do this using dummynet and the delay directive.

Regards,

	Chris




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