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Hello, I have 2 dual CPU Xeon 3Ghz HT enabled Linux routers
and each one of them serving 2 class C with pick traffic on router about
300Mbit full duplex 2 x Ethernet controller: Intel Corporation 82546GB
Gigabit Ethernet Controller (rev 03) 1GB ram And 2 x Ethernet controller: Broadcom Corporation
NetXtreme BCM5703 Gigabit Ethernet (rev 10) 1GB ram Both routers have about 600 iptables rules, 4000 tc
rules with HFSC scheduler and 300 static routes I have implemented tc filter hashing which improve performance
but my goal is to push those machines to the limit
with 4 class C and double above rules and traffic Currently system takes no more then 60% CPU time at pick
per working CPU as every NIC has been set on different CPU, and I have two idle CPUs on each machine . Currently Linux kernels are coming with timer interrupt
of 1000hz max which in my opinion is not enough Also there is no way to serve interrupts from
one NIC on two processors. I’m open for suggestions Thanks to all in advance. |
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