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| author | Stefano Brivio <sbrivio@redhat.com> | 2023-03-15 10:06:50 +0100 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2023-03-17 08:26:07 +0100 |
| commit | 7727804658bbdf06f27d916bf7d5382d714de337 (patch) | |
| tree | 4d9fe521a21daccfb144ec5742314de01715d274 /passt.1 | |
| parent | 4e6178fd4660ae85f079e7f34f14525324e1f3ba (diff) | |
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passt.1: Fix description of --mtu option
By default, 65520 bytes are advertised, and zero disables DHCP and
NDP options.
Fixes: ec2b58ea4dc4 ("conf, dhcp, ndp: Fix message about default MTU, make NDP consistent")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'passt.1')
| -rw-r--r-- | passt.1 | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -135,8 +135,10 @@ background (if configured to do so). .TP .BR \-m ", " \-\-mtu " " \fImtu -Assign \fImtu\fR via DHCP (option 26) and NDP (option type 5). -By default, no MTU options will be sent. +Assign \fImtu\fR via DHCP (option 26) and NDP (option type 5). A zero value +disables assignment. +By default, the advertised MTU is 65520 bytes, that is, the maximum 802.3 MTU +minus the length of a 802.3 header, rounded to 32 bits (IPv4 words). .TP .BR \-a ", " \-\-address " " \fIaddr |