On Tue, 5 Dec 2000, Adam Hickey wrote:
>
> Nope, it would probably kill ya. We have a neighbor (in our office building)
> that tried to do full table. It ended up being darn near 130 Megs, maybe
> 126MB. So even if it is less than the 128MB that you have for memory, you do
> not want to use ALL of your memory just to store the table. There will be no
> room left for simply running your IOS.
>
> Do you have a real purpose for full table or "just to see if you can"?
Adam,
A full table is no where near 130MB. 2 full views in 128MB is a cake
walk. Even four would probably fit fine. Here is a router with 5 full
views and not using 128MB:
stargate#sh ip bgp sum
BGP router identifier 208.214.45.78, local AS number 11881
BGP table version is 3465846, main routing table version 3465846
115185 network entries and 452932 paths using 27478497 bytes of memory
68134 BGP path attribute entries using 3544996 bytes of memory
56997 BGP AS-PATH entries using 1468968 bytes of memory
408 BGP community entries using 13608 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 activity 385031/347405 prefixes, 2921942/2469010 paths, scan interval
15 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down
State/PfxRcd
144.232.209.121 4 1239 942672 19380 3465827 0 0 3d06h 92825
204.70.116.37 4 3561 913119 19371 3465831 0 0 1w0d 92628
205.171.62.149 4 209 1072439 19357 3465831 0 0 1w6d 93792
206.57.5.13 4 3549 1069184 19343 3465831 0 0 5d19h 93623
208.206.76.254 4 11881 628819 1846983 3465846 0 0 1w6d 80050
216.52.121.169 4 12222 19442 19400 3465831 0 0 3d06h 0
stargate#sh mem
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
Processor 616C75C0 135498304 90084428 45413876 43600248 43422956
I/O 20000000 33554432 244956 33309476 33292716 33292668
I/O-2 9800000 8388608 1403224 6985384 6985384 6985340
>
> Cheers
> Adam Hickey
> [EMAIL PROTECTED]
>
> > ----- Original Message -----
> > From: "Gardner, Donald/COR" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Saturday, November 18, 2000 3:26 AM
> > Subject: BGP bandwidth question
> >
> >
> > > OK, I have a discussion going on in the office about what a full BGP
> > session
> > > is going to do to our Internet bandwidth and memory.
> > >
> > > Right now I have 2 T1s from two providers, one from PSI and one from
> > Epoch,
> > > and am getting partial routes from both. I get 6505 prefixes from PSI
> and
> > > 1238 from Epoch. We are running a 7206 NPE150 with 128 Meg of Ram. I
> am
> > > looking at getting full routes from one or both providers.
> > >
> > > I am getting conflicting feedback about what getting full routes will
> do
> > to
> > > our bandwidth and memory. One says it will kill us and another says no
> > > problem.
> > >
> > > Any real world experiences and feedback would be appreciated...
> > >
> > > Don
> > >
> > > _________________________________
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-----------------------------------------------
Brian Feeny, CCNP+ATM, CCDP [EMAIL PROTECTED]
Network Administrator
ShreveNet Inc. (ASN 11881)
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