diff options
| author | Michael Tuexen <tuexen@FreeBSD.org> | 2024-12-11 18:47:11 +0000 |
|---|---|---|
| committer | Michael Tuexen <tuexen@FreeBSD.org> | 2024-12-11 18:47:11 +0000 |
| commit | eba715c544ea89c6b402c55e03b388b77030b997 (patch) | |
| tree | ee294b4aea40246a1f85999f7e851545cbf677e0 | |
| parent | d6917af2b9da76ac1df1977b2a3c09fb9d45db11 (diff) | |
icmp.4: improve icmplim and add icmplim_jitter description
Reviewed by: cc, bcr
MFC after: 1 week
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D48025
| -rw-r--r-- | share/man/man4/icmp.4 | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/share/man/man4/icmp.4 b/share/man/man4/icmp.4 index 7bc844edd3c0..c8c92a794e24 100644 --- a/share/man/man4/icmp.4 +++ b/share/man/man4/icmp.4 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd August 1, 2022 +.Dd December 11, 2024 .Dt ICMP 4 .Os .Sh NAME @@ -169,10 +169,31 @@ Defaults to false. Enable/disable dropping of ICMP Redirect packets. Defaults to false. .It Va icmplim -.Pq Vt integer -Bandwidth limit for ICMP replies in packets/second. +.Pq Vt unsigned integer +Mean rate limit for replies in packets/second. +The actual limit is +.Va icmplim +plus a random jitter limited by +.Va icmplim_jitter . If set to zero, no limiting will occur. Defaults to 200. +.It Va icmplim_jitter +.Pq Vt unsigned integer +A random jitter between the negative of +.Va icmplim_jitter +and +.Va icmplim_jitter +is applied to +.Va icmplim +for limiting the sending rate of replies. +.Va icmplim_jitter +must be smaller than +.Va icmplim , +if +.Va icmplim +is not zero. +If set to zero, no jitter will be applied. +Defaults to 16. .It Va icmplim_output .Pq Vt boolean Enable/disable logging of ICMP replies bandwidth limiting. |