From: Reza Toghraee (reza@toghraee.com)
Date: Mon Sep 29 2008 - 02:50:03 ART
Mark,
I think its better to check a live internet router memory usage, then you
can find the appropriate required memory.
Try to telnet in route-views.routeviews.org, then enter commands to check
the memory usage, bgp table.
This is a 7206VXR in route viewer. 1 GB memory, 41 MB free.
route-views.oregon-ix.net>show ip bgp sum
280049 network entries using 28284949 bytes of memory
8964779 path entries using 430309392 bytes of memory
1508909 BGP path attribute entries using 84506520 bytes of memory
1277712 BGP AS-PATH entries using 34160322 bytes of memory
23071 BGP community entries using 1678724 bytes of memory
13 BGP extended community entries using 412 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 578940319 total bytes of memory
Reza
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
mark.chandra@gmail.com
Sent: Monday, September 29, 2008 7:35 AM
To: ccielab@groupstudy.com
Subject: How to calculate routing table
dear friends,
I just wonder how to calculate routing table on a router.How much memory
consume for 1 routing table?
I planned to have full internet routing table with 3845 with 512 DRAM, is it
scalable or not?
Thx a lot
Mark Stephanus
Sent from my BlackBerry. wireless device from XL GPRS/EDGE/3G network
Blogs and organic groups at http://www.ccie.net
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