Destination context name
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An identification string from 1 to 79 characters
(alpha and/or numeric) by which the destination context will be recognized by
the system.
Important: For this configuration, the destination
context name should
not match the domain name of a specific APN.
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APN Configuration
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APN name
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An identification string by which the APN will be
recognized by the system. The name can be from 1 to 62 alpha and/or numeric
characters and is not case sensitive. It may also contain dots ( . ) and/or
dashes ( - ).
Multiple names are needed if multiple APNs will be used.
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Accounting mode
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Selects the accounting protocol. GTPP or RADIUS
are supported. In addition, accounting can be completely disabled. The default
is to perform accounting using GTPP.
Important: The examples discussed in this chapter
assumes GTPP is used.
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Authentication protocols used
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Specifies how the system handles authentication:
using a protocol (such as CHAP, PAP, or MSCHAP), or not requiring any
authentication.
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APN charging characteristics (CC) (optional)
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Specifies whether or not the GGSN accepts the CC
from the SGSN for home, visiting, and roaming subscribers.
By default the GGSN accepts the CC from the SGSN for all three
scenarios.
If the GGSN is to use its own CC for any of these scenarios,
then each scenario requires the specification of behavior bits and a profile
index to use.
Important: The profile index parameters are configured
as part of the GGSN service.
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Domain Name Service (DNS) information (optional)
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If DNS will be used for the APN, IP addresses can
be configured for primary and secondary DNS servers.
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IP address allocation method
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Specifies how sessions facilitated by this APN
will receive an IP address. IP addresses can be assigned using one of the
following methods:
- Dynamic:
Address can be dynamically assigned from one of the sources.
- Dynamic Host Control Protocol (DHCP) server: The
system can be configured to act as a DHCP proxy and receive address from the
server in advance and assign them as needed or it can relay DHCP messages from
the MS.
- Local address pools: The system can be configured
with local address pools.
- Static: MS IP addresses can be permanently assigned.
By default, the system is configured to either dynamically
assign addresses from a local pool and/or allow static addresses.
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IP address pool name
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If addresses will be dynamically assigned from a
locally configured private pool, the name of the pool must be configured. If no
name is configured, the system will automatically use any configured public
pool.
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IP destination context name
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The name of the system destination context to use
for subscribers accessing the APN. If no name is specified, the system
automatically uses the system context in which the APN is configured.
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Maximum number of PDP contexts
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The maximum number of PDP contexts that are
supported for the APN.
The maximum number can be configured to any integer value from 1
to 1500000. The default is 1000000.
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PDP type
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The type of PDP contexts supported by the APN. The
type can be IPv4, IPv6, both IPv4 and IPv6, or PPP. IPv4 support is enabled by
default. For IPv6 PDP configuration, at least one IPv6 interface needs to be
configured in the destination context.
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Verification selection mode
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The level of verification that will be used to
ensure a MS's subscription to use the APN. The GGSN uses any of the following
methods:
- No verification and MS supplies APN
- No verification and SGSN supplies APN
- Verified by SGSN (default)
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DHCP Interface Configuration (optional)
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DHCP interface name
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An identification string from 1 to 79 characters
(alpha and/or numeric) by which the interface will be recognized by the system.
Multiple names are needed if multiple interfaces will be
configured.
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IP address and subnet
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These will be assigned to the DHCP interface and
be bound to the DHCP service.
Multiple addresses and/or subnets are needed if multiple
interfaces will be configured.
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Gateway IP address
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Used when configuring static routes from the DHCP
interface(s) to a specific network.
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Physical port number
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The physical port to which the interface will be
bound. Ports are identified by the chassis slot number where the line card
resides in, followed by the number of the physical connector on the line card.
For example, port 17/1 identifies connector number 1 on the card in slot 17.
A single physical port can facilitate multiple interfaces.
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Physical port description
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An identification string from 1 to 79 characters
(alpha and/or numeric) by which the physical port will be recognized by the
system.
Multiple descriptions are needed if multiple ports will be used.
Physical ports are configured within the source context and are
used to bind logical DHCP interfaces.
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DHCP Service Configuration (optional)
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DHCP Service Name
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This is an identification string between 1 and 63
characters (alpha and/or numeric) by which the DHCP service will be recognized
by the system.
Multiple names are needed if multiple GGSN services will be
used.
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DHCP Server Information
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The IP address of each DHCP server that the system
is to communicate with must be configured
.Multiple servers can be configured. If multiple servers are
configured, each can be assigned a priority from 1 to 1000. The default
priority is 1.
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Lease Duration
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Specifies the minimum and maximum allowable lease
times that are accepted in responses from DHCP servers.
- Minimum Lease Time: Measured in seconds and can be
configured to any integer value from 600 to 3600. The default is 600 seconds.
- Maximum Lease Time: Measured in seconds and can be
configured to any integer value from 10800 to 4294967295. The default is 86400
seconds.
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AAA Interface Configuration
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AAA interface name
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This is an identification string from 1 to 79
characters (alpha and/or numeric) by which the interface will be recognized by
the system.
Multiple names are needed if multiple interfaces will be
configured.
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IP address and subnet
|
These will be assigned to the AAA interface.
Multiple addresses and/or subnets are needed if multiple
interfaces will be configured.
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Physical port number
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This specifies the physical port to which the
interface will be bound. Ports are identified by the chassis slot number where
the line card resides in, followed by the number of the physical connector on
the line card. For example, port 17/1 identifies connector number 1 on the card
in slot 17.
A single physical port can facilitate multiple interfaces.
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Physical port description
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This is an identification string from 1 to 79
characters (alpha and/or numeric) by which the physical port will be recognized
by the system.
Multiple descriptions are needed if multiple ports will be used.
Physical ports are used to bind logical AAA interfaces.
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Gateway IP address
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Used when configuring static routes from the AAA
interface(s) to a specific network.
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RADIUS Server Configuration
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RADIUS Authentication server
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IP Address: Specifies the IP address of the
RADIUS authentication server the system will communicate with to provide
subscriber authentication functions.
Multiple addresses are needed if multiple RADIUS servers will be
configured. If multiple servers are configured, each can be assigned a
priority.
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Shared Secret: The shared secret is a
string between 1 and 15 characters (alpha and/or numeric) that specifies the
key that is exchanged between the RADIUS authentication server and the source
context.
A shared secret is needed for each configured RADIUS server.
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UDP Port Number: Specifies the port used by
the source context and the RADIUS authentication server for communications. The
UDP port number can be any integer value between 1 and 65535. The default value
is 1812.
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RADIUS Accounting server (optional)
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IP Address: Specifies the IP address of the
RADIUS accounting server that the source context will communicate with to
provide subscriber accounting functions.
Multiple addresses are needed if multiple RADIUS servers will be
configured.RADIUS accounting servers are configured within the source context.
Multiple servers can be configured and each assigned a priority.
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Shared Secret: The shared secret is a
string between 1 and 15 characters (alpha and/or numeric) that specifies the
key that is exchanged between the RADIUS accounting server and the source
context.
A shared secret is needed for each configured RADIUS server.
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UDP Port Number: Specifies the port used by
the source context and the RADIUS Accounting server for communications. The UDP
port number can be any integer value between 1 and 65535. The default value is
1813.
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RADIUS attribute NAS Identifier
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Specifies the name by which the source context
will be identified in the Access-Request message(s) it sends to the RADIUS
server. The name must be from 1 to 32 alpha and/or numeric characters and is
case sensitive.
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RADIUS NAS IP address
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Specifies the IP address of the system's AAA
interface. A secondary address can be optionally configured.
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PDN Interface Configuration
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PDN interface name
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This is an identification string from 1 to 79
characters (alpha and/or numeric) by which the interface will be recognized by
the system.
Multiple names are needed if multiple interfaces will be
configured.
PDN interfaces are configured in the destination context.
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IP address and subnet
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These will be assigned to the PDN interface.
Multiple addresses and/or subnets are needed if multiple
interfaces will be configured.
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Physical port number
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This specifies the physical port to which the
interface will be bound. Ports are identified by the chassis slot number where
the line card resides in, followed by the number of the physical connector on
the line card. For example, port 17/1 identifies connector number 1 on the card
in slot 17.
A single physical port can facilitate multiple interfaces.
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Physical port description(s)
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This is an identification string from 1 to 79
characters (alpha and/or numeric) by which the physical port will be recognized
by the system.
Multiple descriptions will be needed if multiple ports will be
used.
Physical ports are configured within the destination context and
are used to bind logical PDN interfaces.
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Gateway IP address(es)
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Used when configuring static routes from the PDN
interface(s) to a specific network.
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IP Address Pool Configuration
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IP address pool name(s)
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This is an identification string from 1 to 31
characters (alpha and/or numeric) by which the physical port will be recognized
by the system.
Multiple descriptions will be needed if multiple ports will be
used.
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Pool addresses, subnet mask and type
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The pool can consist of either of the following:
- An entire subnet configured using the initial address and the
subnet mask
- A range of addresses configured using the first and last IP
addresses in the range
The pool can be configured as public, private, or static. Public
pools can also be assigned a priority.
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