From 5866de72c9df5e60879393db12cab4ddcfd8a57a Mon Sep 17 00:00:00 2001
From: jayantsahtoe <48123774+jayantsahtoe@users.noreply.github.com>
Date: Mon, 29 Jul 2019 16:11:04 +0200
Subject: [PATCH] Update dhcpd.inc (#3610)

DHCP-relay service will fail with the following error if DHCP server IP is know in static route:

dhcrelay: Can't attach interface {ifname} to bpf device /dev/bpf0: Device not configured

This is the only place where get_real_interface( ) isn't used
---
 src/etc/inc/plugins.inc.d/dhcpd.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/inc/plugins.inc.d/dhcpd.inc b/src/etc/inc/plugins.inc.d/dhcpd.inc
index 1cde0d3fc..dd0ddea09 100644
--- a/src/etc/inc/plugins.inc.d/dhcpd.inc
+++ b/src/etc/inc/plugins.inc.d/dhcpd.inc
@@ -1641,7 +1641,7 @@ function dhcpd_dhcrelay4_configure($verbose = false)
         if (!isset($destif)) {
             foreach (get_staticroutes() as $rtent) {
                 if (ip_in_subnet($srvip, $rtent['network'])) {
-                    $destif = $a_gateways[$rtent['gateway']]['interface'];
+                    $destif = get_real_interface($a_gateways[$rtent['gateway']]['interface']);
                     break;
                 }
             }