[c-nsp] Sizing a router for full feed (once and for all)

[Kim Onnel]

My 0.2$

If you decide that your router can will accept the two, you may not like its
performance if you configured policy routing, QoS, Netflow, NAT, RPF,
ACL.....

But if i assume you are an ISP that only wants to give the table to a
customer of yours, who will also get the BGP table from another provider as
well, then you will only need to know if it will take it (memory
requirement) and the customer need to worry about the rest, then you have a
not-so hard home work.

I looked at cisco.com, got no straight answer.



On 4/17/06, Joost greene <joost.greene at gmail.com> wrote:
>
> Hello,
>
> I always see people asking if their routers can handle BGP and alot of
> times
> the answer isnt just memory, sometimes TCAM limitation (3750 for e.g.)
> maybe
> other cases, what i want to have is some sort of check list for this, my
> case is a :
>
>
>
> IOS (tm) 3700 Software (C3745-JK9O3S-M), Version 12.3(9), RELEASE SOFTWARE
> (fc2)
> System image file is "flash:c3745-jk9o3s-mz.123-9.bin"
>
> cisco 3745 (R7000) processor (revision 2.0) with 250880K/11264K bytes of
> memory.
> R7000 CPU at 350MHz, Implementation 39, Rev 3.3, 256KB L2, 2048KB L3 Cache
> 2 FastEthernet/IEEE 802.3 interface(s)
> 8 Serial network interface(s)
> DRAM configuration is 64 bits wide with parity disabled.
> 151K bytes of non-volatile configuration memory.
> 125184K bytes of ATA System CompactFlash (Read/Write)
> 125184K bytes of ATA Slot0 CompactFlash (Read/Write)
>
>
> I want to know if it can handle two full tabes and more than that how do i
> do this math next time ?
>
> Thanks
> Joost
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