diff options
| -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 |