Display configuration
The following example is the output showing which interfaces has RA-DNS suppressed.
Displaying the configuration
Switch(config)# show ipv6 nd ra IPv6 Router Advertisement Configuration Global RA Suppress: : No Global RA-DNS Suppress : Yes Global Hop Limit : 64 IPv6 Unicast Routing : Disabled Suppress Suppress Interval Lifetime Mngd Other RCH Time Interval Hop Interface RA RA-DNS Min/Max (sec) Flag Flag (ms) (ms) Lim --------- -------- -------- -------- -------- ---- ----- -------- -------- --- vlan-1 No No 200/600 1800 No No 0 0 64 vlan-2 No Yes 200/600 1800 No No 0 0 64 vlan-3 No No 200/600 1800 No No 0 0 64
Output from running-config command with router advertisement DNS suppressed
Switch(config)# show running-config Running configuration: ; J8698A Configuration Editor; Created on release #K.15.10.XXXX ; Ver #03:01.1f.ef:f2 Hostname “ Switch” module 1 type J9550A ipv6 nd suppress-ra-dns vlan 1 name “DEFAULT_VLAN” untagged A1-A24 ip address dhcp-bootp exit vlan 2 name “vlan2” no ip address ipv6 nd ra suppress-dns exit spanning-tree