diff options
author | Thomas Markwalder <tmark@isc.org> | 2016-03-07 14:48:28 -0500 |
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committer | Thomas Markwalder <tmark@isc.org> | 2016-03-07 14:48:28 -0500 |
commit | b12e0ca96137430012205458866b0a8b388935a3 (patch) | |
tree | ae8b25de35105446426417781c922141f8c0556a /relay/dhcrelay.8 | |
parent | be3ee1b92bd76a68c8921ca2e37505d268758fb1 (diff) | |
download | isc-dhcp-b12e0ca96137430012205458866b0a8b388935a3.tar.gz |
[master] Changed dhcrelay v4 command line arg from -u to -Uv4_3_4b1
Changed the new uplink command line argument for v4 dhcrelay from
-u to -U to distinguish it from v6.
Diffstat (limited to 'relay/dhcrelay.8')
-rw-r--r-- | relay/dhcrelay.8 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/relay/dhcrelay.8 b/relay/dhcrelay.8 index 675ed01d..67065663 100644 --- a/relay/dhcrelay.8 +++ b/relay/dhcrelay.8 @@ -80,6 +80,9 @@ dhcrelay - Dynamic Host Configuration Protocol Relay Agent .B -l .I interface ] +.B -U +.I interface +] .I server0 [ .I ...serverN @@ -217,7 +220,7 @@ packet, leaving the supplied option field intact; it may \fIreplace\fR the existing agent option field; it may \fIforward\fR the packet unchanged; or, it may \fIdiscard\fR it. .TP --u \fIifname\fR +-U \fIifname\fR Enables the addition of a RFC 3527 compliant link selection suboption for clients directly connected to the relay. This RFC allows a relay to specify two different IP addresses: one for the server to use when @@ -242,7 +245,7 @@ This option is off by default. Note that enabling this option automatically enables the \fB-a\fR option. Keep in mind that using options such as \fB-m replace\fR or \fB-m discard\fR -on relays upstream from one using \fB-u\fR can pose problems. The upstream +on relays upstream from one using \fB-U\fR can pose problems. The upstream relay will wipe out the initial agent option containing the link selection while leaving the re-purposed giaddr value in place, causing packets to go astray. |