VMware vCloud Networking and Security Edge is part of the vCloud Networking and Security solution and provides network edge security and gateway services such as DHCP, VPN, NAT, Firewall and Load Balancing. Each Edge virtual appliance can have a total of ten uplink and internal network interfaces. In the three-tier application below, Web, App and DB tiers are on three different internal interfaces of the Edge. The route table on the Edge is populated automatically as per the interface addresses configured (shown below).
When Enable auto rule generation not checked, we must manually create firewall rules to add firewall, NAT, and routing routes to allow control channel traffic for Edge services such as Load Balancing, VPN, etc. With the Rule 3 in place, the data traffic between all the edge networks is blocked by the Edge firewall. Another nice feature that can be used for Source and Destination conditions is a VnicGroup. With logging enabled on firewall rules and a syslog server configured for the Edge, following syslog messages are shown illustrating firewall rules are working as configured. Another nice thing to notice in the syslog messages is the Rule Tag field to correlate with the actual rules.
I am allowing access via the VNIC-Index IDs that relate to the ports and this allows the webpage to be shown without issue. If I bypass the firewall loadbalancer and go straight to a cell server then it authenticates with no issues. In Part 7 of this VMware vCloud Director series we look at creating a base organization that will include catalogs and vapp templates. While setting up a Veeam Cloud Connect POC, I came across this little gotcha that might catch some customers out. I verified the port, 6180 (default port) was open on the Veeam B&R console server, and the same on the Proxy. Sure enough, I put a temporary local DNS entry for my cloud connect POC into my Proxy’s host file, added external access and re-ran the backup job et voila …successful backup.

In an earlier post here, I described how to deploy SNAT and DNAT using Edge and briefly touched upon the firewall capabilities. The internal interfaces connect to internal port groups and act as the gateway for all protected virtual machines in the port group.
Following firewall rules need to be setup to open the required ports and protocols for the three-tier application to function properly and for Client-Network to access the web servers.
Grouping Objects are used to represent a collection of IP addresses, MAC addresses, or a security group containing other Grouping Objects.
In the example below, the web traffic is allowed only from VMs connected to internal port groups.
131101, 131098, 131099 in above messages are the Rule Tags and they are show in the Firewall rule table below. Within Email Preferences I will use the default SMTP server setup within my vCloud Director cell as well as the system default notification settings. For our base organization we want to set all leases to Never Expire and all quotas to unlimited.
I have set the following resources for CPU: Quota Unlimited, resources guaranteed 20% (default), vCPU speed 2GHz. We only have 1 external network to choose from in our lab, I will select External-Net-1 and click the Add button. Under Static IP Pool, allocate a range of IP’s that will be allocated to your virtual machines. Then It dawned on me that the proxy, as the data mover, would need internet access, and to be able to resolve the Cloud Connect service name.
Typically they might just have local network connectivity, but they will need reminding when signing up for a Veeam Cloud Connect service that external access from the proxy will be required. Uplink interfaces of Edge connect to port groups that have access to a shared corporate network or Internet.
I have setup a Win7Client on another internal interface to test the three-tier application.

By default the Edge has the following firewall rules, these rules are created during Edge deployment as per the directives provided. If Enable auto rule generation was not checked during deployment, it could be enabled later using “Enable Auto Rules” from Actions menu as shown below. Some of the columns in Firewall rule table are not visible by default, we can enable them as shown below. If you wish to publish the catalog externally you can also select Allow publishing external catalogs. Here we are going to create a Virtual Datacenter under the organization we created earlier.
For memory I have select the following: Quota Unlimited, resources guaranteed 20% (default).
Utilizing our storage policies I have allocated 50GB from Platinum, Gold, Silver and 100GB from Bronze. Click on Create a network for this virtual datacenter connected to this new edge gateway and give the network a name. Rules 1 & 2 are created as “Enable auto rule generation” shown below was checked during deployment. Type in the gateway address you wish to use on this network along with the network subnet mask and DNS.
Rule 1 is allowing all the traffic initiated by Edge and Rule 2 is allowing the High Availability (HA) heartbeat traffic between active and standby Edge instances.

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