Re: (PM) Which router to use for BGP-4?

Robert Boyle (robert@garden.net)
Fri, 03 Jul 1998 20:16:47 -0400

At 02:39 PM 7/3/98 -0500, you wrote:
>On Fri, 3 Jul 1998, Scott Drassinower wrote:
>
>> If he is going to receive full routes from his upstream ISP, 16mb is not
>> going to cut it at all. 64mb really is necessary, more than that is
>> optimal. I doubt that customer-only routes from a UUNet or MCI will even
>> be happy with 16.
>
>I thought we had this discussion before and 7 megs was the size of the bgp
>route table. I personally do not know. Im just going by what others
>posted.

That sounds a bit high. We take full routes from three providers with three
complete views.

core1> sho bgp pe
Remote IP AS Flg DH Up Accept Inject Advertise
--------------- ----- --- -- -- --------------- ---------------
---------------
204.70.70.37 3561 -- Up -- Easy Multihome --
206.26.128.52 8001 -- Up -- Easy Multihome --
207.198.191.101 3384 -- Up -- Easy Multihome --

BGP is using a total of 2174112 bytes of memory for 17423 destinations:

Destination-specific use: 1368416 bytes
Peer-specific use: 805696 bytes

System memory 16777216 bytes - 6767748 used, 10009468 available
224:1 1168:0 640:0 240:1 256:1 112:9 144:18 2048:9 4240:3 192:1 80:12 64:21
128:
10 96:76 272:3 176:2 208:6 16:145 160:10 32:528 48:54
System nbufs 2800 - 159 used, 2641 available
System blocks 576 - 39 used, 537 available

core1> sho bgp me ver
Memory Type Total Nodes Memory Consumption
----------- ----------- ------------------
Radix Nodes 34006 1088192
(With Data) 17524
Peers 7 12880
Peer Data Buffers 3 24576
Prefixes 17423 278768
Paths 884 42432
Path Advertisings 884 14144
NLRIs 20900 668800
NLRI Roots 893 42864
Next Hops 5 240
Withdrawn Prefixes 1 16
Summarizations 7 1232
Policy Lists 0 0
Policy Items 0 0
Autosum Work Queue 0 0
------------------
Total: 2174144

>> I think the most RAM you can fit into any Lucent box that is currently
>> shipping is 32mb (a PM3). Dunno about the PM4.
>
>You could put 4 16 meg simms in an irx and get 64 megs.

You could, but as of now, ComOS only sees 16MB.

-Robert

Robert Boyle Server Co-location,
Garden Networks Internet Access,
50 Diller Ave Development & Consulting
Newton, NJ 07860 (973)300-9211 Ext.103
8AM-8PM Mon-Fri EST http://www.garden.net
Lucent RABU & Software.Com Post.Office VAR

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