X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=utilities%2Fovs-openflowd.8.in;h=176459ca452b48bd07bc9e15522f28fe32063f81;hb=cd10ed7fb4fb5b1e3ed8e3fae1fd115c7ae96e77;hp=30b3705a17f463261fcf64b5be21611664521ded;hpb=cb49ee4fd15e1b24aaae4a2d25f3dd538734b4df;p=openvswitch

diff --git a/utilities/ovs-openflowd.8.in b/utilities/ovs-openflowd.8.in
index 30b3705a..176459ca 100644
--- a/utilities/ovs-openflowd.8.in
+++ b/utilities/ovs-openflowd.8.in
@@ -173,7 +173,8 @@ the local port network device, and start the DHCP client afterward.
 .SS "OpenFlow Options"
 .TP
 \fB\-\-datapath\-id=\fIdpid\fR
-Sets \fIdpid\fR, which must consist of exactly 16 hexadecimal digits,
+Sets \fIdpid\fR, which must consist of exactly 16 hexadecimal digits
+and may not be all-zero,
 as the datapath ID that the switch will use to identify itself to
 OpenFlow controllers.
 .IP