INTEL 82599 FREEBSD DRIVER

Note skipto tablearg works in O log n , where n is number of rules, so it possibly can be used to implement per-interface firewall. However, the lock is held per-instance. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject. Use tables, tablearg in every place you can. It processes most packets falling back to ‘normal’ forward routine for fragments, packets with options, etc.

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Downloads for Intel® 82599 10 Gigabit Ethernet Controller

Complex configurations eats much more. Current netisr fteebsd can’t split traffic into different ISR queues patches are coming, Note skipto tablearg works in O log nwhere n is number of rules, so it possibly can be used to implement per-interface firewall.

A cluster is linked list of mbufs keeping all data of single packet. Use as little number of rules as possible. No tcpdump, cdpd, lldpd, dhcpd, dhcp-relay.

FreeBSD Manual Pages

Do NOT use netisr policy other than ‘direct’ if you can. But Intel NIC meet problem for managing interrupt storm during high pps throughput. This is bad, but even worse is freebsc e and maybe others unconditionally sets flowid to 0 effectively causing later hashing by netisr, of flowtable, or lagg, or. This can affect you iff you’re doing shaping.

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Sendmsg cat’t send messages more than maxdgram length. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject.

Intel with non-Intel SFP+’s?

Since you can easily get 16 different queues even for 8 for each port it is considerable to but core CPU like E Use tables, tablearg in every place you can. Split out in per each inbound and outbound interface. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject NetworkPerformanceTuning last edited AMD seems to perform very bad on routing however I can’t prove it with any tests at the moment.

It is the easiest thing that can be offloaded without any problems. It processes most packets falling back to ‘normal’ 8259 routine for fragments, packets with options, etc.

NetworkPerformanceTuning – FreeBSD Wiki

Good chipsets mixed with excellent drivers. For example, if you have 8 public adresses and need to NAT Single mbuf takes bytes and mbuf cluster takes another bytes or more, for jumbo frames. Default value is and is too low; you may want to increase it upto or more. Very small packets fit in one mbuf but more commonly, a packet consumes mbuf cluster plus one extra mbuf. Also, you may need to raise hash table size.

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However, the lock is held per-instance. Default value causes routing software to fail with OSPF if jumbo frames is turned on.

It seems that disabling HT speeds up things a bit despite decreased number of queues. If that’s not enough for you, values can be set even bigger, just keep in mind that: RSS supports 16 queues per port. Avoid to use it. Say NO to i platform that greatly limits kernel virtual memory, move to amd This permits later users like laggnetsr or multipath routing use existing data instead of hash calculations.