.

Author: NihaNallappagari

cns/restserver/internalapi_linux.go

@@ -68,7 +68,7 @@ func (service *HTTPRestService) programSNATRules(req *cns.CreateNetworkContainer
 
 	// use any secondary ip + the nnc prefix length to get an iptables rule to allow dns and imds traffic from the pods
 	for _, v := range req.SecondaryIPConfigs {
-		// check if the ip address is IPv4
+		// check if the ip address is IPv4. A check is required because DNS and IMDS do not have IPv6 addresses. Since support currently exists only for IPv4, other scenarios are skipped.
 		if net.ParseIP(v.IPAddress).To4() == nil {
 			// skip if the ip address is not IPv4
 			continue