Date: Tue, 9 Nov 1999 17:14:34 GMT From: hibma@skylink.it To: FreeBSD-gnats-submit@freebsd.org Subject: conf/14810: [PATCH] initialising multiple interfaces through DHCP does not work Message-ID: <199911091714.RAA02566@heidi.plazza.it>
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>Number: 14810
>Category: conf
>Synopsis: [PATCH] initialising multiple interfaces through DHCP does not work
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Nov 10 02:40:01 PST 1999
>Closed-Date:
>Last-Modified:
>Originator: Nick Hibma
>Release: FreeBSD 4.0-CURRENT i386
>Organization:
>Environment:
FreeBSD hare 4.0-CURRENT FreeBSD 4.0-CURRENT #7: Tue Nov 9 17:58:56 CET 1999 toor@henny:/usr/src/sys/compile/HARE i386
>Description:
In my configuration I have two ethernet interfaces that I would like to
configure through DHCP. In rc.conf:
ifconfig_ed1="DHCP"
ifconfig_wb0="DHCP"
This does not work for the second interface as dhclient bails out on the
fact that port 68 is already taken (by dhclient started for the first
interface).
>How-To-Repeat:
Add a second (bogus possibly) network interface to your rc.conf
>Fix:
Instead of starting a dhclient for each interface, start on for all of them at
the same time.
--- /etc/rc.network.orig Tue Nov 9 17:01:34 1999
+++ /etc/rc.network Tue Nov 9 18:04:12 1999
@@ -77,11 +77,11 @@
;;
esac
+ dhcp_interfaces=""
for ifn in ${network_interfaces}; do
- showstat=false
if [ -r /etc/start_if.${ifn} ]; then
. /etc/start_if.${ifn}
- showstat=true
+ eval showstat_$ifn=1
fi
# Do the primary ifconfig if specified
@@ -92,15 +92,22 @@
'')
;;
[Dd][Hh][Cc][Pp])
- ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${ifn}
- showstat=true
+ # DHCP inits are done all in one go below
+ dhcp_interfaces="$dhcp_interfaces $ifn"
+ eval showstat_$ifn=1
;;
*)
ifconfig ${ifn} ${ifconfig_args}
- showstat=true
+ eval showstat_$ifn=1
;;
esac
+ done
+
+ if [ ! -z "${dhcp_interfaces}" ]; then
+ ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
+ fi
+ for ifn in ${network_interfaces}; do
# Check to see if aliases need to be added
#
alias=0
@@ -108,7 +115,7 @@
eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args} alias
- showstat=true
+ eval showstat_$ifn=1
alias=`expr ${alias} + 1`
else
break;
@@ -120,14 +127,15 @@
eval ifconfig_args=\$ifconfig_${ifn}_ipx
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args}
- showstat=true
+ eval showstat_$ifn=1
fi
+ done
- case ${showstat} in
- true)
+ for ifn in ${network_interfaces}; do
+ eval showstat=\$showstat_${ifn}
+ if [ ! -z ${showstat} ]; then
ifconfig ${ifn}
- ;;
- esac
+ fi
done
# Warm up user ppp if required, must happen before natd.
And the uuencoded version (to maintain overlong lines):
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`
end
>Release-Note:
>Audit-Trail:
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