From f18eebf2e958ffd63be8b47996ad07b8c04a9c34 Mon Sep 17 00:00:00 2001
From: Abhishek Kumar <abhishek.mrt22@gmail.com>
Date: Tue, 6 Sep 2022 16:43:20 +0530
Subject: [PATCH] server: fix check for ipv6 range overlap (#6705)

Fixes incorrect check for verifying IPv6 ranges overlap. This causes the inability to add multiple IPv6 ranges.
---
 .../java/com/cloud/configuration/ConfigurationManagerImpl.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
index 1dd73aa593d..9dc1a5201be 100755
--- a/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -4643,7 +4643,7 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
                 }
                 if (!StringUtils.isAllEmpty(ipv6Range, vlan.getIp6Range())) {
                     String r1 = StringUtils.isEmpty(ipv6Range) ? NetUtils.getIpv6RangeFromCidr(vlanIp6Cidr) : ipv6Range;
-                    String r2 = StringUtils.isEmpty(vlan.getIp6Range()) ? NetUtils.getIpv6RangeFromCidr(vlanIp6Cidr) : vlan.getIp6Range();
+                    String r2 = StringUtils.isEmpty(vlan.getIp6Range()) ? NetUtils.getIpv6RangeFromCidr(vlan.getIp6Cidr()) : vlan.getIp6Range();
                     if(NetUtils.isIp6RangeOverlap(r1, r2)) {
                         throw new InvalidParameterValueException(String.format("The IPv6 range with tag: %s already has IPs that overlap with the new range.",
                                 vlan.getVlanTag()));