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passt.1: Fix description of --mtu option

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By default, 65520 bytes are advertised, and zero disables DHCP and
NDP options.

Fixes: ec2b58ea4d ("conf, dhcp, ndp: Fix message about default MTU, make NDP consistent")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2023-03-15 10:06:50 +01:00
parent 4e6178fd46
commit 7727804658
1 changed files with 4 additions and 2 deletions
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passt.1
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@ -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