>Number: 145440
>Category: misc
>Synopsis: Multiple fib support (setfib) in /etc/rc.d/routing
>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: Tue Apr 06 20:30:06 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Mark Harrison
>Release: 8.0-RELEASE-p2
>Organization:
OmniTI
>Environment:
FreeBSD gatling.office.omniti.com 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Sat
Apr 3 13:15:36 EDT 2010
[email protected]:/usr/obj/usr/src/sys/OMNIKERN amd64
>Description:
It is not possible to set up static/default routes for alternate fib on startup
via rc.conf. The current method is to use rc.local and manually run 'setfib <n>
route add ...'
>How-To-Repeat:
Recompile the kernel with multiple fib support (sysctl net.fibs should be > 1).
Try to set up static routes for a fib > 0.
>Fix:
This patch adds support for setting up static routes in alternate fibs in
rc.conf. For fibs other than 0, append _fib<n> to the relevant configuration
options normally dealt with by the routing rc script.
E.g.
static_routes_fib1="foo bar"
defaultrouter_fib1="10.0.0.1"
This requires that multiple fib support be compiled into the kernel.
In addition, the stop function flushes routes for all fibs on the system.
Patch attached with submission follows:
--- /jails/test/etc/rc.d/routing 2009-11-21 09:31:36.000000000 -0500
+++ /etc/rc.d/routing 2010-04-06 16:12:01.050390660 -0400
@@ -27,36 +27,60 @@
routing_stop()
{
- route -n flush
+ fibcount=`sysctl -n net.fibs`
+ [ -z $fibcount ] && fibcount=1
+ i=0
+ while [ $i -lt $fibcount ]; do
+ setfib $i route -n flush
+ i=$((i + 1))
+ done
}
static_start()
{
- case ${defaultrouter} in
- [Nn][Oo] | '')
- ;;
- *)
- static_routes="default ${static_routes}"
- route_default="default ${defaultrouter}"
- ;;
- esac
-
- # Setup static routes. This should be done before router discovery.
- #
- if [ -n "${static_routes}" ]; then
- for i in ${static_routes}; do
- eval route_args=\$route_${i}
- route add ${route_args}
- done
- fi
- # Now ATM static routes
- #
- if [ -n "${natm_static_routes}" ]; then
- for i in ${natm_static_routes}; do
- eval route_args=\$route_${i}
- atmconfig natm add ${route_args}
- done
- fi
+ fib=0
+ setfib=''
+ while : ; do
+ if [ $fib -gt 0 ]; then
+ eval defaultrouter=\$defaultrouter_fib${fib}
+ eval static_routes=\$static_routes_fib${fib}
+ eval natm_static_routes=\$natm_static_routes_fib${fib}
+ setfib="setfib $fib"
+ [ -z "${defaultrouter}" -a -z "${static_routes}" -a \
+ -z "${natm_static_routes}" ] && break
+ fi
+
+ case ${defaultrouter} in
+ [Nn][Oo] | '')
+ ;;
+ *)
+ static_routes="default ${static_routes}"
+ route_default="default ${defaultrouter}"
+ ;;
+ esac
+
+ # Setup static routes. This should be done before router
+ # discovery.
+ #
+ if [ -n "${static_routes}" ]; then
+ for i in ${static_routes}; do
+ eval route_args=\$route_${i}
+ ${setfib} route add ${route_args}
+ done
+ fi
+ # Now ATM static routes
+ #
+ if [ -n "${natm_static_routes}" ]; then
+ for i in ${natm_static_routes}; do
+ eval route_args=\$route_${i}
+ ${setfib} atmconfig natm add ${route_args}
+ done
+ fi
+
+ # Loop through all fib configs
+ #
+ fib=$((fib + 1))
+ done
}
_ropts_initdone=
>Release-Note:
>Audit-Trail:
>Unformatted:
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