Merge pull request #100361 from Kenneth-Lindgren/patch-1

Update ipv6-overview.md

Author: Jak-MS

articles/virtual-network/ip-services/ipv6-overview.md

@@ -75,6 +75,7 @@ The current IPv6 for Azure virtual network release has the following limitations
 - Forward DNS for IPv6 is supported for Azure public DNS today but Reverse DNS is not yet supported.
 - While it is possible to create NSG rules for IPv4 and IPv6 within the same NSG, it is not currently possible to combine an IPv4 Subnet with an IPv6 subnet in the same rule when specifying IP prefixes.
 - ICMPv6 is not currently supported in Network Security Groups.
+- Azure Virtual WAN currently supports IPv4 traffic only.
 
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