[c-nsp] Growing BGP tables

[Brian Feeny]

I take a full feed into an RSM, so 3640 should still work, but its 
probably close to being marginal.

Brian




On Nov 21, 2004, at 4:42 PM, Ryan O'Connell wrote:

> On 19/11/2004 14:01, Gert Doering wrote:
>
>> Our 256 Mb-boxes run at about 50-55 Mb free right now (12.2(18)S, 
>> 12.2(25)S
>> will leave less free mem).  From my gut feeling, I'd say that as soon 
>> as
>> the routing table reaches 200.000 routes, these boxes will run out of 
>> RAM,
>> and subsequently will start flapping BGP sessions, disabling CEF, and 
>> doing "unplanned" things.
>>
>> The NPE-400 can go to 512 Mb DRAM, so it's "just" a matter of money.
>>
>
> I've also heard (but been unable to verify) that Engine 0 and 1 line 
> cards for the GSR won't be able to take a full routing table past a 
> certain point, which I know if it's true is going to cause a lot of 
> larger ISPs issues.
>
> I remember when the 3640 first came out you could run a full BGP feed 
> on it. That was, however, a long time ago...
>
> -- 
>         Ryan O'Connell - CCIE #8174
> <ryan at complicity.co.uk> - http://www.complicity.co.uk
>
> I'm not losing my mind, no I'm not changing my lines,
> I'm just learning new things with the passage of time
>
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---------------------------------------------
Brian Feeny, CCIE #8036, CISSP
Network Engineer
ShreveNet Inc.