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Dell SmartFabric OS10 User Guide Release 10.5.3

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Configure DNS search list

To configure a domain name to advertise for an interface in RA messages:

  1. Enter CONFIGURATION mode.
    OS10# configure terminal
    OS10(config)#
  2. Enter Interface Configuration mode.
    OS10(config)# interface ethernet 1/1/11
  3. Configure the interface as a Layer 3 routed interface and bring the interface administratively up.
    OS10(conf-if-eth1/1/11)# no switchport
    OS10(conf-if-eth1/1/11)# no shutdown
  4. Configure the IPv6 prefix to advertise in router advertisement (RA) messages.
    OS10(conf-if-eth1/1/11)# ipv6 nd prefix 150::1/64
  5. Enable sending ICMPv6 RA messages.
    OS10(conf-if-eth1/1/11)# ipv6 nd send-ra
  6. Configure the DNS search list with domain name dell.com, sequence number 8, and the default lifetime.
    OS10(conf-if-eth1/1/11)# ipv6 nd ra-dns search-list seq 8 dell.com
  7. Verify the configuration.
    OS10(conf-if-eth1/1/11)# show configuration
    !
    interface ethernet1/1/11
    no shutdown
    no switchport
    ipv6 nd prefix 150::1/64
    ipv6 nd ra-dns search-list seq 8 dell.com 
    ipv6 nd send-ra
    flowcontrol receive on

To suppress advertising the configured DNS search list, use the ipv6 nd ra-dns search-list suppress command


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