Cisco Cisco Packet Data Gateway (PDG) Wartungshandbuch
Generally Available 06-30-2010
SGSN Features in Release 8.0
1-49
configuration mode. See the appropriate configuration mode chapters in the CLI Reference
Guide for details.
Guide for details.
1-in-N Selective Authentication of Subscriber Events
The SGSN Operator Policy now provides a mechanism to configure selective
re-authentication and / or P-TMSI re-allocation for 3G events, where an event is one of the
following: an attach request, a RAU, a service request, an activate primary PDP context
request, a detach request. The N frequency range is 1 to 16. Configuration means that N
minus 1 events are skipped before authentication occurs. For configuration details, see the
re-authentication and / or P-TMSI re-allocation for 3G events, where an event is one of the
following: an attach request, a RAU, a service request, an activate primary PDP context
request, a detach request. The N frequency range is 1 to 16. Configuration means that N
minus 1 events are skipped before authentication occurs. For configuration details, see the
authenticate
command in the SGSN Operator Policy Configuration Mode chapter of the
CLI Reference Guide.
2.5G/3G Dual Access
Within the same chassis, the SGSN can simultaneously operate as both a 2.5G SGSN and a
3G SGSN. This co-location has been done without proprietary protocols thus avoiding
problems with mobility and handoff. Dual access provides a range of benefits, such as: use
of the same hardware, load sharing, and the need for fewer IP addresses.
3G SGSN. This co-location has been done without proprietary protocols thus avoiding
problems with mobility and handoff. Dual access provides a range of benefits, such as: use
of the same hardware, load sharing, and the need for fewer IP addresses.
Attach Rate Throttle
It is unlikely that the SGSN would become a bottleneck because of the SGSN’s high
signaling rates. However, other nodes in the network may not scale commensurately. To
provide network overload protection, the SGSN provides a mechanism to control the
number of attaches occurring through it on a per second basis.
signaling rates. However, other nodes in the network may not scale commensurately. To
provide network overload protection, the SGSN provides a mechanism to control the
number of attaches occurring through it on a per second basis.
Fractional E1/DS1 Support
The SGSN, using the Channelized Line Cards, now supports fractional E1/DS1 with up to 8
configurable groupings of timeslots per port. This feature is configured with a combination
of the
configurable groupings of timeslots per port. This feature is configured with a combination
of the
path
and
frame-relay
commands in the Channelized Port Configuration Mode
chapters of the CLI Reference Guide.
Disable Signaling Indication IE in RANAP messages
In accordance with RANAP standards, the Signaling Indication IE is only included in
RANAP messages RANAP (RAB Assignment Request and/or the Relocation Request
messages) when the traffic class is "interactive".
RANAP messages RANAP (RAB Assignment Request and/or the Relocation Request
messages) when the traffic class is "interactive".
The Command Line Interface (CLI) has been modified to enable the operator to control
whether the IE is included if both of the following conditions are met:
whether the IE is included if both of the following conditions are met:
1. When the traffic class is "interactive".
2. Signaling Indication IE is included in the current QoS and the value is optimized
(value of "1").
(value of "1").