[Dnsmasq-discuss] dnsmasq on large scale network

[Fabian Druschke]

Hey friends, i hope you all are doing fine.

Currently i'm facing a little challenge. I have a large network with 
more or less 30k clients, and i need a router for NAT from the LAN 
subnets, in the 10.0.0.0/8 address space to the outside WAN public ip 
address. So it's a quite simple scenario.

I've purchased a Juniper MX150 router already, but it was the wrong 
choice due to the lack of NAT support at all. So i wanted to use OpenWrt 
for this scenario, because it is really really simple to set up for this 
use.

What i'm struggeling with, is the DHCP server included on OpenWrt. By 
default it's dnsmasq, and it's easy to configure through the LuCi web 
interface. Before going into production i'd like to make sure if dnsmasq 
is designed or capable to handle this amount of clients (peak 30k / 5 
requests per second).

Does someone have experience with such a scenario, and is there a proper 
tool to benchmark DHCP ?


Thanks in advance!