PDN Gateway Configuration
▀ Configuring the System as a Standalone eGTP P-GW
▄ Cisco ASR 5x00 Packet Data Network Gateway Administration Guide
134
Notes:
dhcp-server-profile
command creates a server profile and then enters the DHCP Server Profile
configuration mode.
enable rapid-commit-dhcpv6
command enables rapid commit on the DHCPv6 server. By default it is
disabled. This is done to ensure that if there are multiple DHCPv6 servers in a network, with rapid-commit-
option, they would all end up reserving resources for the UE.
process dhcp-option-from
command configures in what order the configuration options should be
processed for a given client request. For a given client configuration, values can be obtained from either AAA,
PDN-DHCP-SERVER, or LOCAL. By default, AAA is preferred over PDN-DHCP, which is preferred over
LOCAL configuration.
dhcpv6-server-preference
: According to RFC-3315, DHCPv6-CLIENT should wait for a specified
amount of time before considering responses to its queries from DHCPv6-SERVERS. If a server responds with
a preference value of 255, DHCPv6-CLIENT need not wait any longer. Default value is 0 and it may have any
configured integer between 1 and 255.
enable dhcpv6-server-unicast
command enables server-unicast option for DHCPv6. By default, it is
disabled.
enable dhcpv6-server-reconf
command configures support for reconfiguration messages from the server.
By default, it is disabled.
dhcp-client-profile
command creates a client profile and then enters the DHCP Client Profile
configuration mode.
client identifier
command configures the client-identifier, which is sent to the external DHCP server. By
default, IMSI is sent. Another available option is MSISDN.
enable rapid-commit-dhcpv6
command configures the rapid commit for the client. By default, rapid-
commit option is enabled for both DHCPv4 & DHCPv6.
enable dhcp-message-spray
command enables dhcp-client to spray a DHCP message to all configured
DHCP servers in the PDN. By default this is disabled. With Rapid-Commit, there can only be one server to
which this can be sent.
request dhcp-option
command configures DHCP options which can be requested by the dhcp-client. It
supports the following options:
dns-address
netbios-server-address
sip-server-address
Associate DHCPv6 Configuration
Use the following example to associate the DHCPv6 profile with an APN:
configure
context <
dest_ctxt_name
>
apn <
apn_name
>
dhcpv6 service-name <
dhcpv6_svc_name
> server-profile <
server_profile
> client-
profile <
client_profile
>