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authorRoy Marples <roy@marples.name>2018-04-29 09:31:18 +0100
committerRoy Marples <roy@marples.name>2018-04-29 09:31:18 +0100
commitfb0a2abbcdda8eb7cec3ef1f8ae8122ed7296e06 (patch)
tree86e1b57d17ddc8ef70fcd6e7d02ed7c7bae44d41
parentef6dbd0facc331c2ab71c8d091baf1e8965d14cc (diff)
downloaddhcpcd-fb0a2abbcdda8eb7cec3ef1f8ae8122ed7296e06.tar.xz
dhcpcd(8): document some servers might filter based on ClientID
Note that the DUID file might need to be edited as well.
-rw-r--r--src/dhcpcd.8.in13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/dhcpcd.8.in b/src/dhcpcd.8.in
index c5c6988a..8af2ff4d 100644
--- a/src/dhcpcd.8.in
+++ b/src/dhcpcd.8.in
@@ -22,7 +22,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd January 8, 2018
+.Dd April 29, 2018
.Dt DHCPCD 8
.Os
.Sh NAME
@@ -753,6 +753,17 @@ to rebind, reconfigure or exit need to include the same restrictive flags
so that
.Nm
knows which process to signal.
+.Pp
+Some DHCP servers implement ClientID filtering.
+If
+.Nm
+is replacing an in-use DHCP client then you might need to adjust the clientid
+option
+.Nm
+sends to match.
+If using a DUID in place of the ClientID, edit
+.Pa @DBDIR@/duid
+accordingly.
.Sh FILES
.Bl -ohang
.It Pa @SYSCONFDIR@/dhcpcd.conf