[c-nsp] 3550 as a BGP Router

Gaurav Sabharwal gaurav at inwire.net
Wed Sep 12 14:07:44 EDT 2007


on 09/12/2007 06:31 PM Daniel Suchy said the following:
> There should be no problem. We had 3550-12G with ~70 BGP sessions on it 
> in the past (it was used as "router" for internet exchange).
Ditto that. Some output below from a 3550-24 with couple of BGP peers + 
RIP + some PBR.

#sh ip route summary
IP routing table name is Default-IP-Routing-Table(0)
Route Source    Networks    Subnets     Overhead    Memory (bytes)
connected       0           4           256         640
static          10          53          4032        16200
rip             0           491         31424       78560
bgp 65506       157         1193        86400       220080
   External: 1350 Internal: 0 Local: 0
internal        242                                 285560
Total           409         1741        122112      601040

#sh proc cpu | i CPU
CPU utilization for five seconds: 0%/0%; one minute: 1%; five minutes: 1%

#sh proc memory | i Total
Total: 53933256, Used: 10876088, Free: 43057168

Cheers,
- Gaurav

> Regards,
> Daniel
> 
> On 09/12/2007 05:51 PM, Skeeve Stevens wrote:
>> Hey all
>>
>> I know BGP on switches has been discussed a lot, and how, yes it is unwise
>> from number of routes perspective.
>>
>> But what I am looking for is setting up a 3550 with about a dozen ISP's
>> connected to it.
>>
>> The ISP's would BGP peer and announce their own routes into it (<100) and
>> basically just take each others routes for a neutral peering situation.
>>
>> Would the 3550 handle that?  Number of routes here isn't an issue. but the
>> number of BGP sessions. what wise advice would people offer regarding that?
>>
>> .Skeeve
>>
>> --
>> Skeeve Stevens, RHCE
>> skeeve at skeeve.org / www.skeeve.org
>> Cell +61 (0)414 753 383 / skype://skeeve
>>
>> eintellego - skeeve at eintellego.net - www.eintellego.net 
>> --
>> I'm a groove licked love child king of the verse 
>> Si vis pacem, para bellum
>>
>>
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