Re: Routing Table Capacity At Cisco Router

HI Guys,

This is where I got the information :

 
route-views>show ip bgp summary
1. BGP router identifier 128.223.51.103, local AS number 6447
2. BGP table version is 2834042352, main routing table version 2834042352
3. 430131 network entries using 56777292 bytes of memory
4. 13237848 path entries using 688368096 bytes of memory

 
So - third line tells me that curently 430131 best routes that are
inserted into RIB, takes 56MB of memory. And whole BGP table from all
neighbors takes 688MB right? And this router has learned 13milion
routes/prefixes. If this is correct, then it's not so large amount.
soft-reconfiguration however doubles the memory consumption and CEF also.
I guess that router with 128MB of ram should be enough to hold 2 internet
tables? in theory.
 

Regards
Mark Stephanus Chandra - CCIE#23887

On 5/25/12 8:18 AM, "Alexander Halim" <cisco.alexand_at_gmail.com> wrote:

>Interesting

Blogs and organic groups at http://www.ccie.net
Received on Fri May 25 2012 - 09:09:48 ART