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Diffstat (limited to 'src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup')
-rw-r--r--src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup
new file mode 100644
index 000000000..ce846f6c3
--- /dev/null
+++ b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup
@@ -0,0 +1,16 @@
+if [[ $reason =~ (EXPIRE|FAIL|RELEASE|STOP) ]]; then
+ # delete dynamic nameservers from a configuration if lease was deleted
+ logmsg info "Deleting nameservers with tag \"dhcp-${interface}\" via vyos-hostsd-client"
+ vyos-hostsd-client --delete-name-servers --tag dhcp-${interface}
+ # try to delete default ip route (NOTE: here we use 'ip' wrapper, therefore a route will be actually deleted via /usr/sbin/ip or vtysh, according to the system state)
+ for router in $old_routers; do
+ logmsg info "Deleting default route: via $router dev ${interface}"
+ ip -4 route del default via $router dev ${interface}
+ done
+fi
+
+if [[ $reason =~ (EXPIRE6|RELEASE6|STOP6) ]]; then
+ # delete dynamic nameservers from a configuration if lease was deleted
+ logmsg info "Deleting nameservers with tag \"dhcpv6-${interface}\" via vyos-hostsd-client"
+ vyos-hostsd-client --delete-name-servers --tag dhcpv6-${interface}
+fi