[vpp-dev] VPP and Core allocation

2020-04-16 Thread Prashanth Candade via lists.fd.io
Hello, We are integrating VPP into our product. One question we had was about the recommendation for usage of cores. When using DPDK, the recommendation is to allocate it one physical core. When using HyperThreaded cores, for DPDK one core is allocated and sibling core is not allocated to

[vpp-dev] FD.io Maintenance: Tuesday April 28, 2020 1800 UTC to 2200 UTC

2020-04-16 Thread Vanessa Valderrama
**When:  *Tuesday April 28, 2020 1800 UTC to 2200 UTC* * * *What: *Linux foundation upgrades, OS updates, and security patches * Jenkins o Upgrade to 2.222.x o OS and security updates o Plugin updates * Nexus o Upgrade to 2.14.17-01 o OS and security updates *

Re: [vpp-dev] Deadlock between NAT threads when frame queues for handoff are congested

2020-04-16 Thread Elias Rudberg
Hi Ole! Thanks, here is a change doing that, please have a look: https://gerrit.fd.io/r/c/vpp/+/26544 With this change, an assertion will fail if the number of threads is greater than 55 or something like that. To make things work for such large thread counts it would be necessary to increase

Re: [vpp-dev] Deadlock between NAT threads when frame queues for handoff are congested

2020-04-16 Thread Ole Troan
Hi Elias, Thank you for the thorough analysis. I think the best approach for now is the one you propose. Reserve as many slots as you have workers. Potentially also increase the queue size > 64. Damjan is looking at some further improvements in this space, but for now please go with what you

[vpp-dev] Setting IPFIX collector port does not work as expected

2020-04-16 Thread Andrii Zakurenyi
Hi all I've noticed that if port of collector in IPFIX configuration is set to different value than the default is, e.g. instead of 4739 which is the default, then packets with template will arrive at the configured port, but packets with data will still go to port 4739. Bug in Jira

Re: [vpp-dev] frp_preference and frp_weight size #vnet

2020-04-16 Thread Neale Ranns via lists.fd.io
Hi Dimitar, In VPP’s FIB weight and preference are attributes of a path not of a route. The weight controls [un]equal cost load-balancing across the paths and preference controls which paths to use when they are [un]available (i.e. BFD down), a kind of poor man’s fast re-route. It’s my