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| author | Brandon Stepler <brandon@stepler.net> | 2021-02-15 10:30:00 -0500 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2021-03-19 19:41:09 +0100 |
| commit | ff6afe62e801e570f6478decf2b4a813a5c0ee94 (patch) | |
| tree | 2ba8221481e0460ea710f3bfe86c83196d2adeee /src/etc/dhcp | |
| parent | 74f526c9c1fe782c604d2b88c1753d787dc696b4 (diff) | |
| download | vyos-1x-ff6afe62e801e570f6478decf2b4a813a5c0ee94.tar.gz vyos-1x-ff6afe62e801e570f6478decf2b4a813a5c0ee94.zip | |
dhcp: T3300: add DHCP default route distance
(cherry picked from commit dd2eb5e5686655c996ae95285b8ad7eb73d63d0b)
Diffstat (limited to 'src/etc/dhcp')
| -rw-r--r-- | src/etc/dhcp/dhclient-enter-hooks.d/03-vyos-ipwrapper | 28 | ||||
| -rw-r--r-- | src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup | 8 |
2 files changed, 25 insertions, 11 deletions
diff --git a/src/etc/dhcp/dhclient-enter-hooks.d/03-vyos-ipwrapper b/src/etc/dhcp/dhclient-enter-hooks.d/03-vyos-ipwrapper index cf320fbbf..fc035766b 100644 --- a/src/etc/dhcp/dhclient-enter-hooks.d/03-vyos-ipwrapper +++ b/src/etc/dhcp/dhclient-enter-hooks.d/03-vyos-ipwrapper @@ -1,5 +1,8 @@ # redefine ip command to use FRR when it is available +# default route distance +IF_METRIC=${IF_METRIC:-210} + # get status of FRR function frr_alive () { /usr/lib/frr/watchfrr.sh all_status @@ -15,11 +18,12 @@ function frr_alive () { # convert ip route command to vtysh function iptovtysh () { # prepare variables for vtysh command - local VTYSH_DISTANCE="210" - local VTYSH_TAG="210" + local VTYSH_ACTION=$3 local VTYSH_NETADDR="" local VTYSH_GATEWAY="" local VTYSH_DEV="" + local VTYSH_TAG="210" + local VTYSH_DISTANCE="" # convert default route to 0.0.0.0/0 if [ "$4" == "default" ] ; then VTYSH_NETADDR="0.0.0.0/0" @@ -30,15 +34,21 @@ function iptovtysh () { if [[ ! $VTYSH_NETADDR =~ ^.*/[[:digit:]]+$ ]] ; then VTYSH_NETADDR="$VTYSH_NETADDR/32" fi + shift 4 # get gateway address - if [ "$5" == "via" ] ; then - VTYSH_GATEWAY=$6 + if [ "$1" == "via" ] ; then + VTYSH_GATEWAY=$2 + shift 2 fi # get device name - if [ "$5" == "dev" ]; then - VTYSH_DEV=$6 - elif [ "$7" == "dev" ]; then - VTYSH_DEV=$8 + if [ "$1" == "dev" ]; then + VTYSH_DEV=$2 + shift 2 + fi + # get distance + if [ "$1" == "metric" ]; then + VTYSH_DISTANCE=$2 + shift 2 fi # Add route to VRF routing table @@ -49,7 +59,7 @@ function iptovtysh () { VTYSH_CMD="ip route $VTYSH_NETADDR $VTYSH_GATEWAY $VTYSH_DEV tag $VTYSH_TAG $VTYSH_DISTANCE $VTYSH_VRF" # delete route if the command is "del" - if [ "$3" == "del" ] ; then + if [ "$VTYSH_ACTION" == "del" ] ; then VTYSH_CMD="no $VTYSH_CMD" fi logmsg info "Converted vtysh command: \"$VTYSH_CMD\"" diff --git a/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup index b768e1ae5..edb7c7b27 100644 --- a/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup +++ b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup @@ -13,6 +13,8 @@ if [[ $reason =~ (EXPIRE|FAIL|RELEASE|STOP) ]]; then $hostsd_client --delete-name-servers --tag "dhcp-${interface}" hostsd_changes=y + if_metric="$IF_METRIC" + # try to delete default ip route for router in $old_routers; do # check if we are bound to a VRF @@ -21,8 +23,10 @@ if [[ $reason =~ (EXPIRE|FAIL|RELEASE|STOP) ]]; then vrf="vrf $vrf_name" fi - logmsg info "Deleting default route: via $router dev ${interface} ${vrf}" - ip -4 route del default via $router dev ${interface} ${vrf} + logmsg info "Deleting default route: via $router dev ${interface} ${if_metric:+metric $if_metric} ${vrf}" + ip -4 route del default via $router dev ${interface} ${if_metric:+metric $if_metric} ${vrf} + + if_metric=$((if_metric+1)) done # delete rfc3442 routes |