Operation Manual – DNSH3C S7500 Series Ethernet Switches Chapter 1 DNS Configuration1-3to do DNS lookup first. If the lookup fails, the resolver adds a DNS suffix foranother lookup.Currently, the S7500 Series Ethernet Switches support both static and dynamic domainname resolution on the DNS client.1.2 Configuring Static Domain Name ResolutionFollow these steps to configure static domain name resolution:To do… Use the command… RemarksEnter system view system-view —Add ahostname-to-addressmapping entryip host hostnameip-addressRequiredThere is no entry in thestatic DNS list by default.Note:z One hostname can be mapped to only one IP address. When you add multiplehostname-to-address mapping entries with the same hostname, only the last onewill be valid.z You can add up to 50 entries for static DNS resolution.1.3 Configuring Dynamic Domain Name Resolution1.3.1 Configuration ProcedureFollow these steps to configure dynamic domain name resolution:To do… Use the command… RemarksEnter system view system-view —Enable dynamic DNSresolution dns resolveRequiredThis function is disabled bydefault.Configure an IPaddress for a DNSserverdns server ip-addressRequiredNo DNS server IP address isconfigured by default.Configure a DNS suffix dns domaindomain-nameOptionalNo DNS suffix is configured bydefault.
