GLYPH<SM590000> Configure at least one valid DNS server for domain name resolution. To configure a DNS  server on the system, click  Set Up DNS Server  (see Figure 12-114). You can also use the  mkdnsserver  command to configure DNS servers. 12.Configure the firewall to allow connections to the following IP addresses on port 443:  129.42.56.189 ,  129.42.54.189 , and  129.42.60.189 .  11.Enter the DNS IP address and click  Save  (see Figure 12-116). To test connections to IBM Support Center, select  Settings  Support  Support  Assistance . On the Support Assistance page, select  Test Connection  to verify  connectivity between the system and IBM Support Center. 706  Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.2.1 Figure 12-116 DNS IP Address Figure 12-115 Set Up DNS Figure 12-114 Set up DNS Server The Settings Page for DNS then opens (see Figure 12-115).