Routing to multiple uplinks

Steven King sking at
Sat Dec 19 12:17:14 CST 2009

Maybe I am missing something, but how does VRRP/HSRP cause latency?

On 12/19/09 3:45 AM, Scott Berkman wrote:
> Anycast?
> anog29
> Might need to know a little more about the layout here for a better answer.
> 	-Scott
> -----Original Message-----
> From: rodrick brown [mailto:rodrick.brown at] 
> Sent: Friday, December 18, 2009 7:47 PM
> To: nanog at list
> Subject: Routing to multiple uplinks
> This may be slightly off topic however I have a very unique situation  
> where I need to provide two diverse paths to a major stock exchange.  
> Each host may either use route A or B for any given reason to access  
> this particular exchange using two distinct routers and target address.
> The applicatiOn running on these hosts must only see/use one target  
> address this needs to be transparent as possible. NIC bonding/teaming  
> on the host side isn't a viable solution because of the latency  
> overhead same goes for vrrp/hsrp.
> I believe my only option here is to setup multiple default routes with  
> a preferred path of some sort. This seems to be possible using ip  
> route2 on Linux.
> This just seems wrong on many levels and I thought I would post here  
> because I know there is something obvious I'm missing.
> Please clue me in.
> Thanks.
> Sent from my iPhone 3GS.

Steve King

Network Engineer - Liquid Web, Inc.
Cisco Certified Network Associate
CompTIA Linux+ Certified Professional
CompTIA A+ Certified Professional

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