Cisco Cisco Packet Data Interworking Function (PDIF)
APN Configuration Mode Commands
▀ ipv6 dns
▄ Command Line Interface Reference, StarOS Release 18
1392
ipv6 dns
Configures primary and secondary IPv6 Domain Name Service (DNS) servers.
Product
GGSN
P-GW
SAEGW
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > APN Configuration
configure > context context_name > apn apn_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-apn)#
Syntax
[ no ] ipv6 dns { primary | secondary } { ipv6_dns_address }
no
Deletes a previously configured DNS server.
primary
Configures the IPv6 address of primary DNS server for the APN.
secondary
Configures IPv6 address of the secondary DNS server for the APN. Only one secondary DNS server can be
configured.
configured.
ipv6_dns_address
The IP address of the DNS server entered using IPv6 colon-separated-hexadecimal notation.
Usage
DNS servers are configured on a per-APN profile basis. This allows each APN profile to use specific servers
in processing PDP contexts.
The DNS can be specified at the APN level in APN configuration as well as at the Context level in Context
configuration mode with
in processing PDP contexts.
The DNS can be specified at the APN level in APN configuration as well as at the Context level in Context
configuration mode with
ip name-servers
command, or it can be received from AAA server.
When DNS is requested in PCO configuration, the following preference will be followed for DNS value:
1. DNS Values received from LNS have the first preference
2. DNS values received from RADIUS Server has the second preference
3. DNS values locally configured with APN has the third preference
4. DNS values configured at context level with
1. DNS Values received from LNS have the first preference
2. DNS values received from RADIUS Server has the second preference
3. DNS values locally configured with APN has the third preference
4. DNS values configured at context level with
ip name-servers
command has the last preference.