INTEL 82599 FREEBSD DRIVER

AMD seems to perform very bad on routing however I can’t prove it with any tests at the moment. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject NetworkPerformanceTuning last edited Do NOT use netisr policy other than ‘direct’ if you can. Split out in per each inbound and outbound interface. This permits later users like lagg , netsr or multipath routing use existing data instead of hash calculations. Complex configurations eats much more. Current netisr implementation can’t split traffic into different ISR queues patches are coming,

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Avoid to use it. RSS supports 16 queues per port. Also, you may need to raise hash table size. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject NetworkPerformanceTuning last edited It is the easiest thing that can be offloaded without any problems. It processes most packets falling back to ‘normal’ forward routine for fragments, packets with options, etc.

Very small packets fit in one mbuf but more commonly, a packet consumes mbuf cluster plus one extra mbuf. Default value is and is too low; you may want to increase frdebsd upto or more.

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Intel with non-Intel SFP+’s?

Say NO to i platform that greatly limits kernel virtual memory, move to amd Since you can easily get 16 different queues even for 8 for each port it is considerable to but core CPU like E Current netisr implementation can’t split traffic into different ISR queues patches are coming, Good chipsets mixed with excellent drivers. Default value causes routing software to fail with OSPF if jumbo frames is turned on. This permits later users like laggnetsr or multipath routing use existing data instead of hash calculations.

Inetl tcpdump, cdpd, lldpd, dhcpd, dhcp-relay. Split out in per each inbound and outbound interface.

FreeBSD Manual Pages

Use tables, tablearg in every place you can. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject.

Do NOT use netisr policy other than ‘direct’ if you can. This is bad, but even worse is that e itel maybe others unconditionally sets flowid to 0 effectively causing later hashing by netisr, of flowtable, or lagg, or.

NetworkPerformanceTuning – FreeBSD Wiki

However, the lock is held per-instance. If that’s not enough for you, values can be set even freebsdd, just keep in mind that: This can affect you iff you’re doing shaping. AMD seems to perform very bad on routing however I can’t prove it with any tests at the moment.

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Note skipto tablearg works in O log nwhere n is number of rules, so it possibly can be used to implement per-interface firewall. Complex configurations eats much more. Use as little number of rules as possible. Single mbuf takes bytes and mbuf cluster takes another bytes or more, for jumbo frames. Sendmsg cat’t send messages more than maxdgram length.

But Intel NIC meet problem for managing interrupt storm during high pps throughput. A cluster is linked list of mbufs keeping all data of single packet. It seems that disabling HT speeds up things a bit despite decreased number of queues.

For example, if you have 8 public adresses and need to NAT