Re: Recommended hardware for iptables based firewall/router

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On 09.11.2014 06:15, Stig Thormodsrud wrote:
> On 09.11.2014 01:49, Yucong Sun wrote:
>> Dennis Jacobfeuerborn <dennisml@xxxxxxxxxxxx>
>>
>> The EdgeRouter 's asic couldn't handle all use cases ,  Having some
>> special rule will make it go to "offload" disabled mode.  You should
>> research if that's the problem.
> 
> I'm a developer on this product.  I'd be interested in the test cases
> that it couldn't handle.

This isn't a test case the system is already in live use.

We are only using zone based firewalling, NAT and network/port groups so
basically just iptables+ipset and a couple of vlan interfaces.

In its default configuration both cpus are pegged at 95% soft-irq usage.
Enabling vlan offloading reduces that quite a bit...but apparently make
the system reboot itself about once every two days.

Right at this moment on the wan interface I see 34.273 rx pps and 57.232
tx pps which is going to increase a bit in the coming hours but gives a
good picture about the the system has to handle right now.

Regards,
  Dennis

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