Specifications

dns-server
SecureStack C3 Configuration Guide 19-7
dns-server
ThiscommandsetstheIPv6DNSserveraddresswhichisprovidedtoDHCP v6clientsbythe
DHCPv6server.
Syntax
dns-server server-address
no dns-server server-address
Parameters
Defaults
None.
Mode
RouterDHCPv6poolconfigurationmode:C3(su)‐>router(Config‐dhcp6s‐pool)#
Usage
ADNSserveraddressisconfiguredforstatelessserversupport.ADHCPv6poolcanhaveupto8
DNSserveraddressesconfiguredforit.
ThenoformofthiscommandwillremovetheDHCPv6serveraddressfromtheDHCPv6pool
beingconfigured.
Example
ThisexampleconfiguresaDNSserveraddressforthepoolnamedPoolA.
C3(su)->router(Config)# ipv6 dhcp pool PoolA
C3(su)->router(Config-dhcp6s-pool)# dns-server 2001:0db8:1234:5678::A
prefix-delegation
Thiscommandconfiguresanumericprefixtobedelegatedtoaspecifiedprefixdelegationclient.
Syntax
prefix-delegation prefix/prefix-length DUID [ name hostname] [valid-lifetime { secs
| infinite}] [preferred-lifetime {secs | infinite}]
no prefix-delegation prefix/prefix-length DUID
Parameters
server‐address TheIPv6addressoftheDNSserver.
ThisparametermustbeintheformdocumentedinRFC4291,withthe
addressspecifiedinhexadecimalusing16‐bitvaluesbetweencolons.
prefix/prefix‐length Thisprefixmustbeintheformdocum e nte dinRFC4291,withthe
addressspecifiedinhexadecimalusing16‐bitvaluesbetweencolons.
Thevalueofprefix‐lengthisadecimalnumberindicatingthenumberof
high‐ordercontiguousbitsoftheaddressthatcomprisetheprefix.