1 files changed, 20 insertions, 31 deletions

diff --git a/scripts/vyatta-interfaces.pl b/scripts/vyatta-interfaces.pl
index 3794769..0c219c1 100644
--- a/scripts/vyatta-interfaces.pl
+++ b/scripts/vyatta-interfaces.pl
@@ -184,6 +184,14 @@ sub is_domain_name_set {
     return $domainname;
 }
 
+sub is_ethernet_mtu_set {
+    my $intf = shift;
+    my $config = new VyattaConfig;
+    $config->setLevel("interfaces ethernet $intf");
+    my $interface_mtu = undef;
+    $interface_mtu = $config->returnValue("mtu");
+    return $interface_mtu;
+}
 
 sub dhcp_update_config {
     my ($conf_file, $intf) = @_;
@@ -198,39 +206,20 @@ sub dhcp_update_config {
     $output .= "\trequest subnet-mask, broadcast-address, routers, domain-name-servers";
     my $domainname = is_domain_name_set();
     if (!defined($domainname)) {
-       $output .= ", domain-name;\n";
-    } else {
-       $output .= ";\n";
+       $output .= ", domain-name";
+    } 
+    if ($intf =~ m/^eth[0-9]+$/) {
+       my $interface_mtu = is_ethernet_mtu_set($intf);
+       if (!defined($interface_mtu)) {
+          $output .= ", interface-mtu";
+       }
     }
-
+    $output .= ";\n";
     $output .= "}\n\n";
 
     dhcp_write_file($conf_file, $output);
 }
 
-sub is_ip_v4_or_v6 {
-    my $addr = shift;
-
-    my $ip = NetAddr::IP->new($addr);
-    if (defined $ip && $ip->version() == 4) {
-	#
-	# the call to IP->new() will accept 1.1 and consider
-        # it to be 1.1.0.0, so add a check to force all
-	# 4 octets to be defined
-        #
-	if ($addr !~ /\d+\.\d+\.\d+\.\d+/) {
-	    return undef;
-	}
-	return 4;
-    }
-    $ip = NetAddr::IP->new6($addr);
-    if (defined $ip && $ip->version() == 6) {
-	return 6;
-    }
-    
-    return undef;
-}
-
 sub generate_dhclient_intf_files {
     my $intf = shift;
 
@@ -456,7 +445,7 @@ sub op_dhcp_command {
         print "$intf is not using DHCP to get an IP address\n";
         exit 1;
     }
-    
+
     my $tmp_dhclient_dir = '/var/run/vyatta/dhclient/';
     my $release_file = $tmp_dhclient_dir . 'dhclient_release_' . $intf;
     if ($op_command eq "dhcp-release") {
@@ -473,13 +462,13 @@ sub op_dhcp_command {
           exit 0;
         }
     } elsif ($op_command eq "dhcp-renew") {
-        print "Renewing DHCP lease on $intf ...\n"; 
+        print "Renewing DHCP lease on $intf ...\n";
         run_dhclient($intf);
         system ("rm -f $release_file\;");
         exit 0;
     }
-    
-    exit 0;    
+
+    exit 0;
 
 }