Suppressing the advertisement of selected IPv6 addresses

By default, prefix information in router advertisement (RA) messages includes IPv6 addresses configured on the interface. The following task suppresses the advertisement of a specified IPv6 address in RA messages for an interface.
  1. Enter the configure terminal command to access global configuration mode. 
    device# configure terminal
  2. Enter the interface command and specify an interface. 
    device(config)# interface ethernet 1/1/3
  3. Enter the ipv6 nd suppress-ra address command, specifying an IPv6 address, to suppress the advertisement of that IPv6 address in RA messages. 
    device(config-if-e1000-1/1/3)# ipv6 nd suppress-ra address 2001::1

The following example suppresses the IPv6 address 2001::1 in RA messages. All other IPv6 addresses configured on the interface are advertised. 

device# configure terminal
device(config)# interface ethernet 1/1/3
device(config-if-e1000-1/1/3)# ipv6 nd suppress-ra address 2001::1
Parent topic: IPv6 address advertisement suppression