added routing pref internet prefix CLI instructions

Author: brianlehr

articles/virtual-network/ip-services/create-public-ip-prefix-cli.md

@@ -103,7 +103,20 @@ The removal of the **`--zone`** parameter is the default selection for standard
 
 ---
 
+# [**Routing Preference Interent IPv4 prefix**](#tab/ipv4-routing-pref)
 
+To create a IPv4 public IP prefix with routing preference Internet, enter **RoutingPreference=Internet** in the **`--ip-tags`** parameter.
+
+```azurecli-interactive
+  az network public-ip prefix create \
+    --length 28 \
+    --name myPublicIpPrefix-rpinternet \
+    --resource-group QuickStartCreateIPPrefix-rg \
+    --location eastus2 \
+    --version IPv4
+    --iptags 'RoutingPreference=Internet'
+```
+---
 
 ## IPv6
 

articles/virtual-network/ip-services/create-public-ip-prefix-powershell.md

@@ -111,7 +111,7 @@ The removal of the **`-Zone`** parameter is the default selection for standard p
 
 # [**Routing Preference Internet IPv4 prefix**](#tab/ipv4-routing-pref)
 
-To create a IPv4 public IP prefix, enter **IPv4** in the **`-IpAddressVersion`** parameter. Remove the **`-Zone`** parameter to create a non-zonal IP prefix.
+To create a IPv4 public IP prefix with routing preference Internet, create an **IpTag** with an **ipTagType** 'Routing Preference' and **Tag** 'Internet'.
 
 ```azurepowershell-interactive
 $tagproperty = @{

articles/virtual-network/ip-services/public-ip-basic-upgrade-guidance.md

@@ -23,7 +23,8 @@ We recommend the following approach to upgrade to Standard SKU public IP address
 
 1. Learn about some of the [key differences](#basic-sku-vs-standard-sku) between Basic SKU public IP and Standard SKU public IP. 
 1. Identify the Basic SKU public IP to upgrade.
-1. Determine if you would need [Zone Redundancy](public-ip-addresses.md#availability-zone). 
+1. Determine if you would need [Zone Redundancy]
+1. (public-ip-addresses.md#availability-zone). 
     1. If you need a zone redundant public IP address, create a new Standard SKU public IP address using [Portal](create-public-ip-portal.md), [PowerShell](create-public-ip-powershell.md), [CLI](create-public-ip-cli.md), or [ARM template](create-public-ip-template.md).
     1. If you do not need a zone redundant public IP address, use the [following upgrade options](#upgrade-using-portal-powershell-and-azure-cli). 
 1. Create a migration plan for planned downtime.