Those Cisco ISR-G1 mostly punt NAT (& DHCP) functionality to CPU as such
you may have scalability issues for the NATs for CPU resource usage.
I've seen ASA5550 do >65k NAT connections with minimal CPU load (I'm
sure the lower ASA models can achieve similar results depending on how
much memory on board).
I'd concur that throughput of ~ 100Mbps without NAT can be easily done
by these ISR-G1 models.
--
Regards,
Ge Moua
Univ of Minn Alumnus
--
On 05/31/2012 06:39 AM, Rens wrote:
Where do you get that info that a 1841& 2811 can't do this?
They do fine average Internet traffic @ 50Mbps
I got 2811's doing 100Mbps
Indeed my wifi setup can cope with 2K connections
From: [email protected] [mailto:[email protected]] On
Behalf Of Aled Morris
Sent: woensdag 30 mei 2012 17:09
To: Rens
Cc: [email protected]
Subject: Re: [c-nsp] DHCP& NAT router limitations
On 30 May 2012 11:17, Rens<[email protected]> wrote:
For a one day wifi event I'm looking which kind of router can be used to
deliver DHCP& NAT for 1000-2000 simultaneous users
Total WAN capacity will be +- 50Mbps
Would a 1841 or a 2811 be able to handle all this NAT/DHCP?
Neither of these would cope with 50Mbps even without the NAT.
If you are purely Ethernet then the cheapest Cisco solution would be an
ASA5505
I assume you've already got a wifi setup that can cope with 2,000
connections.
Aled
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