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Alexandre Snarskii
2015-06-23 15:30:57 +03:00
parent 9eb665209b
commit c32b569437
6 changed files with 191 additions and 189 deletions
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README.md
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@@ -250,19 +250,20 @@ program exits with non-zero status.
NOTES ON ULTRA-LARGE PREFIX-LISTS
---------------------------------
When using `bgpq3` to expand extra-large AS-SETs, `bgpq3` may stuck
due to lacking tcp buffer size. To avoid this, tune your OS.
To improve `bgpq3` performance when expanding extra-large AS-SETs you
shall tune OS settings to enlarge TCP send buffer.
FreeBSD can be tuned in the following way:
sysctl -w net.inet.tcp.sendbuf_max=16777216
sysctl -w net.inet.tcp.sendbuf_max=2097152
Linux can be tuned in the following way:
sysctl -w net.ipv4.tcp_window_scaling=1
sysctl -w net.core.rmem_max=33554432
sysctl -w net.core.wmem_max=33554432
sysctl -w net.ipv4.tcp_rmem="4096 87380 33554432"
sysctl -w net.ipv4.tcp_wmem="4096 65536 33554432"
sysctl -w net.core.rmem_max=2097152
sysctl -w net.core.wmem_max=2097152
sysctl -w net.ipv4.tcp_rmem="4096 87380 2097152"
sysctl -w net.ipv4.tcp_wmem="4096 65536 2097152"
Please note that generated prefix-lists may not fit your router's
limitations. For example, JunOS supports only 85,325 prefixes in