INTEL 82599 FREEBSD DRIVER

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Good chipsets mixed with excellent drivers. 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 This can affect you iff you’re doing shaping. It processes most packets falling back to ‘normal’ forward routine for fragments, packets with options, etc.

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Single mbuf takes bytes and mbuf cluster takes another bytes or more, for jumbo frames. This is bad, but even worse is that e and maybe itnel unconditionally sets flowid to 0 effectively causing later hashing by netisr, of flowtable, or lagg, or.

– ES Gigabit SFI/SFP+ Network Connection link constantly flaps

For example, if you have 8 public adresses and need to NAT Default value causes routing software to fail with OSPF if jumbo frames is turned on. Also, you may need to raise hash table size. It is the easiest thing that can be offloaded without any problems.

Avoid to use it. It seems that disabling HT speeds up things a bit despite decreased number of queues.

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Is the Intel XSR2 (ES) supported by the ixbe driver?

RSS supports 16 queues per port. Sendmsg cat’t send messages more than maxdgram length. Since you can easily get 16 different queues even for 8 for each port it is considerable to but core CPU like E It processes most packets falling back to ‘normal’ forward routine for fragments, packets with options, etc.

But Intel NIC meet problem for managing interrupt storm during high pps throughput. AMD seems rreebsd perform very bad on routing however I can’t prove it with any vreebsd at the moment.

Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject NetworkPerformanceTuning last edited Use as little number of rules as possible. Complex configurations eats much more.

Intel 82599 with non-Intel SFP+’s?

No tcpdump, cdpd, lldpd, dhcpd, dhcp-relay. Juniper-like configs, multiple kernel tables, ability to filter kernel routes CategoryProject. Use tables, tablearg in every place you can. However, the lock is held per-instance. Split out in per each inbound and outbound interface.

Very small packets fit in one mbuf but more commonly, a packet consumes mbuf cluster plus one extra mbuf. Note skipto tablearg works in O log nwhere n is number of rules, so it possibly can be used to implement per-interface firewall. If that’s not enough for you, values can be set even bigger, just keep in mind that: A cluster is linked list of mbufs keeping all data of single packet.

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Is the Intel X520-SR2 (82599ES) supported by the ixbe driver?

This permits later users like laggnetsr or multipath routing use existing data instead of hash calculations. Default value is and is too low; you may want to increase it upto or more.

Say NO to i platform that greatly limits kernel virtual memory, move to amd Do NOT use netisr policy other than ‘direct’ if you can. This can affect you iff you’re doing shaping.

Current netisr implementation can’t split traffic into different ISR queues patches are coming, Good chipsets mixed with excellent drivers.