Hi list,
A bit of advice please, folks.
We currently use 6.2-release + Quagga as a router on a number of boxes.
These are stable but we have seen some CPU issues recently and clearly
the code is all getting old now, and so I'm starting to look at updating
them.
Specifically, the hardware consists of a single dual-core Xeon at 2GHz
with 2G RAM, containing 10x em interfaces (2x quad PCI-X cards, plus 2
onboard) . IRQ sharing is a bit of an issue and only 8 of those 1G
ports can be used without re-using an interrupt.
They run with polling enabled, with kern.polling.user_frac = 22
These routers run Quagga 0.99.7 doing v4 and v6 OSPF/BGP.
We do use a number of vlans and a couple of gif tunnels.
Total throughput varies quite a lot - from 50M to about 200M - but
usually isn't high.
There seem to be a lot of issues that have appeared around 8.0 and the
em code, and although patches have quickly appeared, I know that a lot
of the forwarding and routing code in 8 is new - so whilst I would
normally have just tested this with 8 and not considered anything else,
I am thinking that maybe sticking with 7 is a better plan.
I'd appreciate any input from anyone who is using 8.0 in a similar
environment, any advice and suggestions would be gratefully received.
Thanks,
Paul.
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