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# cat /etc/rocky-release Rocky Linux release 9.2 (Blue Onyx) # cat /proc/version Linux version 5.14.0-162.12.1.el9_1.0.2.x86_64 (mockbuild@dal1-prod-builder001.bld.equ.rockylinux.org) (gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2), GNU ld version 2.35.2-24.el9) #1 SMP PREEMPT_DYNAMIC Mon Jan 30 22:14:42 UTC 2023 # find /lib/modules | grep net/ipv4/tcp_ /lib/modules/5.14.0-284.25.1.el9_2.x86_64/kernel/net/ipv4/tcp_bbr.ko.xz /lib/modules/5.14.0-284.25.1.el9_2.x86_64/kernel/net/ipv4/tcp_dctcp.ko.xz /lib/modules/5.14.0-284.25.1.el9_2.x86_64/kernel/net/ipv4/tcp_nv.ko.xz # modprobe tcp_bbr # sysctl net.ipv4.tcp_available_congestion_control net.ipv4.tcp_available_congestion_control = reno cubic bbr # modinfo tcp_bbr filename: /lib/modules/5.14.0-284.11.1.el9_2.x86_64/kernel/net/ipv4/tcp_bbr.ko.xz description: TCP BBR (Bottleneck Bandwidth and RTT) license: Dual BSD/GPL author: Soheil Hassas Yeganeh <soheil@google.com> author: Yuchung Cheng <ycheng@google.com> author: Neal Cardwell <ncardwell@google.com> author: Van Jacobson <vanj@google.com> rhelversion: 9.2 srcversion: 52FE9DC9CC96C6188A84576 depends: retpoline: Y intree: Y name: tcp_bbr vermagic: 5.14.0-284.11.1.el9_2.x86_64 SMP preempt mod_unload modversions sig_id: PKCS#7 signer: Rocky kernel signing key |
Ubuntu 18.04.6 LTS (bionic)
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# lsb_release -a | grep Desc Description: Ubuntu 18.04.6 LTS Codename: bionic # cat /proc/version Linux version 4.15.0-213-generic (buildd@lcy02-amd64-079) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 # find /lib/modules | grep net/ipv4/tcp_ /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_probe.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_nv.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_lp.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_highspeed.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_bbr.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_vegas.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_dctcp.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_veno.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_diag.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_yeah.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_htcp.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_bic.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_cdg.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_westwood.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_illinois.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_hybla.ko /lib/modules/4.15.0-213-generic/kernel/net/ipv4/tcp_scalable.ko # modprobe tcp_htcp # modprobe tcp_bbr # sysctl net.ipv4.tcp_available_congestion_control net.ipv4.tcp_available_congestion_control = reno cubic htcp bbr |
Ubuntu 20.04.6 LTS (focal)
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# lsb_release -a | grep Desc
Description: Ubuntu 20.04.6 LTS
Codename: focal
# cat /proc/version
Linux version 5.4.0-162-generic (buildd@lcy02-amd64-069) (gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1)) #179-Ubuntu SMP Mon Aug 14 08:51:31 UTC 2023
# find /lib/modules | grep net/ipv4/tcp_
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_dctcp.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_scalable.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_lp.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_diag.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_illinois.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_bic.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_highspeed.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_veno.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_nv.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_vegas.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_bbr.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_htcp.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_cdg.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_yeah.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_hybla.ko
/lib/modules/5.4.0-162-generic/kernel/net/ipv4/tcp_westwood.ko
# modprobe tcp_htcp
# modprobe tcp_bbr
# sysctl net.ipv4.tcp_available_congestion_control
net.ipv4.tcp_available_congestion_control = reno cubic htcp bbr |
Ubuntu 22.04.3 LTS (jammy)
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# lsb_release -a | grep Desc Description: Ubuntu 22.04.3 LTS Codename: jammy # cat /proc/version Linux version 5.15.0-83-generic (buildd@lcy02-amd64-027) (gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #92-Ubuntu SMP Mon Aug 14 09:30:42 UTC 2023 # find /lib/modules | grep net/ipv4/tcp_ /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_yeah.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_bbr.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_diag.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_htcp.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_veno.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_westwood.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_dctcp.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_highspeed.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_nv.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_vegas.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_bic.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_scalable.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_cdg.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_illinois.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_hybla.ko /lib/modules/5.15.0-83-generic/kernel/net/ipv4/tcp_lp.ko # modprobe tcp_htcp # modprobe tcp_bbr # sysctl net.ipv4.tcp_available_congestion_control net.ipv4.tcp_available_congestion_control = reno cubic htcp bbr |
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