[c-nsp] Inter router BGP network tuning pointer?

[Robert Raszuk]

Hi,

Let's keep in mind that there has been number of BGP enhancements since
this book was published which are rather aimed at automatic self-tuning
so overwriting defaults may actually lead to much worse behaviour :)

To bring a few examples ...

RR Scale
 BGP Selective Table Download  – CSCsv92342

PE Scale
 PE - CE Optimization – CSCsx79511
 VRF based Advertise bits – CSCtc78023

General BGP Scale
 Update Generation Enhancements – CSCsl75177
 Route Refresh /Startup neighbor Enhancements – CSCsl75177
 Keepalive Enhancements – CSCsv61073
 Adaptive update message Cache size – CSCsz49626

BGP Slow Peer Support – CSCsv61392

BGP Vrf based dampening – CSCta55561

BGP NSR and GR changes – CSCsr62529, CSCsv28904, CSCtb36849, CSCsy88916,
CSCsg70409, CSCsy32510

In general tuning IOS BGP is very release dependent. What helps in one
release may not necessarily provide much advantage in other release.

Cheers,
R.

> Hi Scott,
> 
> Looks like you are looking for this one: 
> BGP Design and Implementation
> Randy Zhang, CCIE No. 5659
> Micah Bartell, CCIE No. 5069
> 
> Specifically: Chapter 3 Tuning BGP Performance
> 
> 
> adam 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Scott Granados
> Sent: Monday, August 22, 2011 5:30 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Inter router BGP network tuning pointer?
> 
> Hi,
> 
> The topic of tuning the network for BGP route exchange has been on the list lately and I've been doing some googling but not finding anything that really seems to fit what was discussed here.  Does anyone have any pointers (either 7200 NPE-G1 specificor non router specific) that they can suggest?  I have found some documentation on the cisco site suggesting increasing the hold queues to 1500 but not much else.  I'm especially interested in things like TCP-MSS and the like.  Does anyone have a good document that could set me on the right path?
> 
> Thank you
> Scott
> 
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