From d6c3313138438c43aa7d2604c799492515a053e1 Mon Sep 17 00:00:00 2001
From: "Eric A. Miller" <emiller@cpan.org>
Date: Sun, 29 Sep 2013 23:17:32 -0400
Subject: [PATCH] fix for device serial, just use entry with no parent since
 class could be stack rather than chassis

---
 Info/Layer3/Nexus.pm | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/Info/Layer3/Nexus.pm b/Info/Layer3/Nexus.pm
index b8c4c45c..30b3bade 100644
--- a/Info/Layer3/Nexus.pm
+++ b/Info/Layer3/Nexus.pm
@@ -141,13 +141,11 @@ sub os_ver {
 sub serial {
     my $nexus = shift;
 
-    my $e_class  = $nexus->e_class();
     my $e_parent = $nexus->e_parent();
 
-    foreach my $iid ( keys %$e_class ) {
-        my $class = $e_class->{$iid} || '';
-	my $parent = $e_parent->{$iid} || 1;
-        if ($class =~ /chassis/ && $e_parent == 0) {
+    foreach my $iid ( keys %$e_parent ) {
+	my $parent = $e_parent->{$iid};
+        if ($parent eq '0') {
 	    my $serial = $nexus->e_serial($iid);
 	    return $serial->{$iid};
 	}