HNB-CS Network Configuration
Mode Commands
The HNB-CS Network
configuration mode provides the commands to create, provide, and
manage the circuit switched (CS) network instance allowing the Home
Evolved NodeB Gateway (HNB-GW) access with the CS core network in
a 3G UMTS network.
IMPORTANT:
The commands or keywords/variables
that are available are dependent on platform type, product version,
and installed license(s).
associate alcap-service
Associates a previously
defined Access Link Control Application Part (ALCAP) service with
the CS network instance for multiplexing of different users onto
one AAL2 transmission path using channel IDs (CIDs). This configuration
is provided to support IuCS-over-ATM functionality
Privilege:
Security Administrator,
Administrator
Syntax
associate alcap-service svc_name context ctx_nameno associate alcap-service
no
Removes the associated
ALCAP service from this HNB-CS network instance configuration.
svc_name
Identifies the name
of the ALCAP service preconfigured in Context configuration mode
to associate with an HNB-CS network instance for multiplexing of
different users onto one AAL2 transmission path using channel IDs
(CIDs).
svc_name must
be a preconfigured ALCAP service.
Only one instance of
this command can be configured.
CAUTION:
If this CLI is not configured
any RAB-ASST-REQ requesting AAL2 connection setup shall be rejected
with an appropriate cause.
contextctx_name
Specifies the name of
the context in which ALCAP service is configured.
ctx_name must
be an existing context name in which this ALCAP service is configured.
Usage:
Use this command to
configure IuCS-over-ATM support. This association of ALCAP protocol
service configuration in HNB-CS network instance provides multiplexing
of different users onto one AAL2 transmission path using channel
IDs (CIDs).
CAUTION:
If this CLI is not configured
any RAB-ASST-REQ message requesting AAL2 connection setup shall
be rejected with an appropriate cause.
IMPORTANT:
This command must not
be used more than once to configure IuCS-over-ATM support.
Example:
Following command associates
ALCAP service
alcap_svc1 configured
in context named
Ctx_alcap1 with
specific HNB-CS network instance:
associate alcap-service
alcap_svc1context ctx_alcap1
associate rtp pool
Associates a previously
defined RTP pool (IP pool) with the CS network instance to be used
for assignment of IP address/port as RTP streams end point
address over IuCS interface. This configuration support is provided
for RTP stream management feature in an HNB-GW service.
Privilege:
Security Administrator,
Administrator
Syntax
associate rtp pool pool_name context ctx_nameno associate rtp pool
no
Removes the associated
RTP pool (IP pool) from this HNB-CS network instance configuration.
pool_name
Identifies the name
of the RTP IP pool preconfigured in Context configuration mode to associate
with an HNB-CS network instance to be used for assignment of IP
address/port over the IuCS interface RTP streams.
pool_name must
be an existing IP pool name configured in Context configuration
mode.
IMPORTANT:
For IP pool (RTP pool)
configuration, refer Context
Configuration Commands Mode chapter.
contextctx_name
Specifies the name of
the context in which RTP pool (IP pool) is configured.
ctx_name must
be an existing context name in which this IP pool is configured.
Usage:
Use this command to
associate RTP pool (IP Pool) with an HNB-CS network instance for allotment
of IP address/port over IuCS interface for RTP streams
across all sessions. A fixed range of RTP ports from 5000 through
65000 shall be used to allocate to RTP stream.
IMPORTANT:
This command must be
used to provide IP address/port for RTP streams end point
address over IuCS interface.
IMPORTANT:
This configuration support
is provided for RTP stream management feature on an HNB-GW service.
Example:
Following command associates
RTP pool named
rtp_1 with specific
HNB-CS network instance:
associate rtp pool rtp_1
associate sccp-network
Associates a predefined
Signaling Connection Control Part (SCCP) network id with the CS
network instance in order to route the messages towards MSC/VLR
over IuCS interface.
Privilege:
Security Administrator,
Administrator
Syntax
associate-sccp-network sccp_net_idno associate-sccp-network
no
Removes the associated
SCCP network id from this HNB-CS network instance configuration.
sccp_network_id
Identifies the predefined
SCCP network id to associate with an HNB-CS network instance over
IuCS/IuFlex interface to enable connection with MSC/VLR(s).
sccp_network_id must
be a predefined SCCP network id in Global configuration mode.
Usage:
Use this command to
associate a preconfigured SCCP network id over IuCS interface in HNB-GW
service to connect with CS network elements; i.e. MSC.
CAUTION:
The SCCP network id must
be defined in Global Configuration mode before using it with this
command.
IMPORTANT:
A single SCCP network
configuration instance can not be shared with multiple HNB-CS network
instances.
Example:
Following command associates
SCCP network
2 with
specific HNB-CS network instance:
associate-sccp-network 2
end
Exits the current
configuration mode and returns to the Exec mode.
Privilege:
Security Administrator,
Administrator
Usage:
Use this command to
return to the Exec mode.
exit
Exits the current
mode and returns to the parent configuration mode.
Privilege:
Security Administrator,
Administrator
Usage:
Use this command to
return to the parent configuration mode.
map core-network-id
Maps/associates
the CS core network id to a default Mobile Switching Center (MSC)
in network using MSC point code in HNB-CS network to allow HNBs
to access UMTS network.
Privilege:
Security Administrator,
Administrator
Syntax
map core-network-id cn_id point-code msc_point_code
no map core-network-id cn_id
no
Removes the mapping
of a CS core network id with particular MSC point code.
cn_id
Specifies the core network
identifier configured to represent a UMTS CS core network as an integer
from 0 through 4095.
Multiple instance of
this command can be mapped with different MSC point code.
point-code msc_point_code
Specifies the SS7 address
of the default MSC in the CS network in point code value to a configured
HNB-CS network instance.
point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
Only one instance of
this MSC point code can be mapped with one CS core network id.
Usage:
Use this command to
map a UMTS CS core network identifier with a particular MSC point code.
This command can be
entered multiple times with same MSC point code to map with one or
more CS core network Id, but a particular core network identifier
can be mapped to one MSC only.
This
command is instrumental in Iu-Flex functionality, whenever HNB-GW
receives RESET/RESET-RES messages from MSC with Global
CN-ID information element, the response from HNB-GW is sent to the
node configured for that particular Global CN-ID.
If
the RESET/RESET-RES messages do not have Global CN-ID IE,
then the response of those messages is directed to the default MSC
which is configured using msc point-code command
in this mode.
Example:
The following command
configures the CS core network identifier
101 with an
MSC point code
1.2.3:
map core-network-id
101 point-code 1.2.3
The following command
configures the CS core network identifier
102 with the
same MSC point code
1.2.3:
map core-network-id
102 point-code 1.2.3
map idnns
Configures the mapping
of Intra-Domain NAS Node Selector (IDNNS) IE received from UE in
RUA connect message towards HNB-GW to MSC point code. This is an important
configuration for CS network resource sharing over Iu-Flex interface.
Privilege:
Security Administrator,
Administrator
Syntax
map idnns range idnns_start to idnns_end point-code msc_point_code [ backup
point-code bkup_msc_point_code]
no map idnns range idnns_start to idnss_end
no
Removes the entries
of mapping of range of IDNNS received from UE with particular MSC point
code.
range idnns_start to idnns_end
Specifies the range
of IDNNS received from the UE to map with a particular MSC point code
during initial CS core network node selection.
idnns_start is
an integer from 0 through 1023 that should be less than idnns_end.
idnns_end must
be an integer from 0 through 1023 that should be more than idnns_start.
The command can be entered
more than once to map multiple IDNNS ranges to the same MSC, but
overlapping and mapping of the same range to different MSC point
codes is not allowed.
point-code msc_point_code
Specifies the SS7 address
of the MSC in the CS network to map with a range of IDNNS values.
msc_point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
backup point-code bkup_msc_point_code
Specifies the SS7 address
of the MSC to be used as a backup in the CS network to map with a
range of IDNNS values.
bkup_msc_point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
Usage:
Use this command to
map a NRI received from UE during initial CS network node selection
to MSC point code through NRI range mapping over Iu-Flex interface.
The IDNNS refers to
the information element in RUA connect message from UE towards RAN
(HNB-GW). In IDNNS IE, if the choice of routing mentioned is other
than local P-TMSI, then the value it provides is used against this
configuration to map the MSC point code.
If backup MSC point-code
is specified, then specified MSC works as backup for the IDNS range
configured. This Backup MSC is selected if the mapped MSC for a
given IDNNS range is going for offloading using offload-msc point-code command.
The command can be entered
more than once to map multiple IDNNS ranges to same MSC point code,
but overlapping and mapping of same range to different MSC point
code is not allowed.
Example:
The following command
maps the IDNNS range from
101 to
201 with MSC
point code
1.2.3 and point
code
7.8.9 as
backup MSC point code:
map nri range 101
to 201 point-code 1.2.3 backup point-code 7.8.9
The following command
removes all IDNNS range matching entries between
301 to
399 from the
configuration:
no map idnns range
301 to 399
map nri
Configures the mapping
of Network Resource Identifier (NRI) sent from UE to the MSC point
code. This is an important configuration for CS network resource
sharing over Iu-Flex interface.
Privilege:
Security Administrator,
Administrator
Syntax
map nri range nri_start to nri_end point-code msc_point_code
no map nri range nri_start to nri_end
no
Removes the entries
of mapping of range of NRIs received from UE with particular MSC point
code.
range nri_start to nri_end
Specifies the range
of NRIs received from UE to map with pa articular MSC point code during
initial CS core network node selection.
nri_start is
an integer from 0 through 1023 that should be less than nri_end.
nri_end is
an integer from 0 through 1023 that should be more than nri_start.
The command can be entered
more than once to map multiple NRI ranges to same MSC, but overlapping
is not allowed.
point-code msc_point_code
Specifies the SS7 address
of the MSC in the CS network to map with a range of NRI values.
point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
Usage:
Use this command to
map a NRI received from UE during initial CS network node selection
to MSC point code through NRI range mapping over Iu-Flex interface.
This configuration is
used during initial CS core network node selection when the network resource
identifier (NRI) from the UE is available. The NRI range is mapped
to MSC point code. This configuration is used when the core network
uses Iu-Flex interface.
The command can be entered
more than once to map multiple NRI ranges to same MSC point code.
It is possible to configure
multiple ranges to more than one MSC however this configuration
is required only when the CS core network is configured as Multi-Operator
Core Network (MOCN).
When the CS core network
is not MOCN and one range is mapped to more than one MSC then MSC
is selected randomly in a non-predictable manner.
Example:
The following command
maps the NRI range from
101 to
201 with MSC
point code
1.2.3:
map nri range 101
to 201 point-code 1.2.3
The following command
maps the NRI range from
301 to
399 with MSC
point code
1.2.3:
map nri range 301
to 399 point-code 1.2.3
The following command
removes all NRI range matching entries between
301 to
399 from the
configuration:
no map nri range 301
to 399
msc deadtime
Configures a timer on
the HNB-GW to manage MSC availability in a CS core network on receiving
of a PC-STATE-DOWN or SSN-STATE-DOWN (RANAP) indication from an
SCCP instance.
Privilege:
Security Administrator,
Administrator
Syntax
msc deadtime { immidiate |dur }
[ no | default ] msc deaddtime
no
Marks the peer node
(MSC) as always available; it can never be marked down for a specific HNB-CS
network instance.
default
Sets the default action
for HNB-GW and provisions it as such that the peer node (MSC) is marked
down as soon as HNB-GW receives PC-STATE-DOWN or SSN-STATE-DOWN (RANAP)
indication from SCCP in a specific HNB-CS network instance. Default: Enabled
immidiate
Sets the HNB-GW to mark
the peer node (MSC) down immediately and clears all Iu-CS connections
towards the MSC. Default: Disabled
dur
Sets the duration (in
seconds) for a timer that starts when the HNB-GW receives a PC-STATE-DOWN
or SSN-STATE-DOWN (RANAP) indication from SCCP for a peer MSC. On expiry
of this timer the peer MSC is marked as dead and all Iu-CS connections
towards that MSC are released.
dur is an
integer from 1 through 30.
Only one instance of
this command can be configured.
Usage:
This command is used
to configure a timer on HNB-GW to manage MSC availability in a CS
core network on receiving of PC-STATE-DOWN or SSN-STATE-DOWN (RANAP) indication
from SCCP. This configuration plays important role during RANAP
reset procedure as well.
Timer value sets the
duration in seconds for a timer which started once HNB-GW receives PC-STATE-DOWN
or SSN-STATE-DOWN (RANAP) indication from SCCP for a peer MSC. On
expiry of this timer the peer MSC is marked as dead and all Iu-CS
connections towards that MSC shall be released.
IMPORTANT:
This command can be
entered only once. Reentering this command overwrites the previous parameters.
Example:
The following command
configures the deadtime timer value for
10 seconds
on HNB-GW. Once HNB-GW receives PC-STATE-DOWN or SSN-STATE-DOWN
(RANAP) indication from SCCP for a peer MSC the HNB-GW waits for
configured period and on expiry of timer it marks the specific MSC
as dead:
msc deadtime 10
msc point-code
Configures the default
MSC point-code within an HNB-CS network instance. This command is
used when HNB-GW is to be connected to only one MSC with in a CS network
or as default MSC for all HNBs connected through specific HNB-CS
network instance.
Privilege:
Security Administrator,
Administrator
Syntax
[ no ] msc
point-code point_code
no
Removes the configured
default MSC point code from a specific HNB-CS network instance.
CAUTION:
Removing the MSC point
code is a disruptive operation and affects all HNB sessions which are
connected to particular MSC through an HNB-CS network instance.
msc point_code
Specifies the SS7 address
of the default MSC in the CS network to this configured HNB-CS network
instance.
point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
Only one instance of
this command can be configured.
Usage:
Use this command to
configure a default MSC to which HNB connects for CS network access
through HNB-GW service.
Point-code is an SS7
address for an element in the SS7 network. Point-codes must be defined
in dotted-decimal format in a string of 1 to 11 digits. Format options
include:
- 0.0.1 to 7.255.7 for
point-code in the ITU range.
- 0.0.1 to 255.255.255
for point-code in the ANSI range.
- 0.0.1 to 15.31.255 for
point-code in the TTC Range.
- a string of 1 to 11
digits in dotted-decimal to represent a point-code in a different range.
IMPORTANT:
This command can be
entered only once. If entered again the previous value shall be overwritten.
Example:
The following command
configures a default MSC with point code
101.201.101 for
HNBs to access CS network through HNB-GW service in this HNB-CS
network instance:
msc point-code 101.201.101
nri length
Configures the network
resource identifier (NRI) length in bits to identify a specific
MSC serving in a pooled area. At least one NRI value has to be assigned
to an MSC serving in a pool. The NRI is coded inside of the temporary
mobile subscriber identity (TMSI), located within bits 14 to 23
with an variable length between 0 and 10 bits. Operator needs to
set this NRI length to indicates the number of bits that shall be
used for the NRI field to set the parameters for Iu-Flex (MSC pooling)
functionality.
Privilege:
Security Administrator,
Administrator
Syntax
nri length nri_value
default nri length
default
Sets the NRI length
to the default value of 0 and disables the Iu-Flex (MSC pooling) functionality.
nri length nri_value
Default: 0
Specifies the number
of bits to be used in the P-TMSI (bits 23 to 18) to define the network resource
identifier (NRI). The NRI length configuration also sets the maximum
size of the pool. If not configured, the NRI length is of zero length.
length is
an integer from 1 to 10 that identifies the number of bits. When
a non-zero value is configured the CS network is considered to be
a pool.
Usage:
Use this command to
enable the Iu-Flex functionality on HNB-GW. This command identifies
a unique MSC serving a pooled area for Iu-Flex functionality and
at least one NRI value has to assigned to an MSC serving in a pool.
It performs MSC pooling/offloading scenario over Iu-Flex
interface. The NRI is stored in the bits 14 to 23 of TMSI. The HNB-GW
uses a portion of this NRI to set the parameters for Iu-Flex (MSC
pooling) functionality.
If more than one NRI
is configured, the HNB-GW service does round-robin between the available
NRIs when new subscriber(s) (re)connect.
This command must be
used in conjunction with null nri command
to configured MSC pooling/offloading over Iu-Flex interface.
Example:
The following command
sets the HNB-GW to a bit length of
6 to derive
the values from the NRI field (stored in bits 14 to 23 of TMSI)
to set the parameters for Iu-Flex (MSC pooling) functionality:
nri length 6
null-nri
Configures the null
NRI for load redistribution in support of Iu-Flex functionality.
The NRI value defined with this command must be unique across the
pool areas. This null-NRI is used by HNB-GW for load redistribution
during MSC offloading.
Privilege:
Security Administrator,
Administrator
Syntax
null-nri null_nri_valueno null-nri null_nri_value
no
Disables/removes
the configured null-NRI value used for MSC offloading procedure.
null_nri_value
Specifies the null-NRI
value to be used by HNB-GW for load re-distribution during MSC offloading
as an integer from 0 through 1023.
Without MOCN configuration
this value can be entered only once.
For MOCN a unique null-NRI
must be assigned to each MOCN operator identified by its PLMN-ID
(MCC+MNC).
A 0 (zero) value configured
as a null-NRI indicates the keyword is not to be used. There is no
default value for this parameter.
Usage:
Use this command to
identify the MSC to be used by HNB-GW for load redistribution during
MSC offloading over an Iu-Flex interface.
There is one unique
null-NRI in a PLMN supporting pool functionality.
Without MOCN configuration
this command can be entered only once. For MOCN a unique null-NRI
must be assigned to each MOCN operator identified by its PLMN-ID (MCC+MNC).
Example:
The following command
sets the null-NRI as
1001 to
be used by HNB-GW for load redistribution during MSC offloading:
null-nri 1001
offload-msc
Provisions the HNB-GW
to enable or disable the exclusion of a particular primary MSC node
during an NAS Node Selection Function (NNSF) procedure when it needs to
be offloaded while using Iu-Flex functionality on the HNB-GW.
Privilege:
Security Administrator,
Administrator
Syntax
[ no ] offload-msc
point-code msc_point_code
no
Removes the specified
primary MSC point code from the exclusion list for NNSF function on
HNB-GW and re-enables the inclusion of the primary MSC to be considered
by HNB-GW.
point-code msc_point_code
Specifies the SS7 address
of the primary MSC in the CS network to be excluded for NNSF function
on HNB-GW when it needs to be offloaded via Iu-Flex functionality.
point_code is
an SS7 point code in dotted-decimal ###.###.### or
8-digit decimal ######## format.
Only one instance of
this primary MSC point code can be mapped with one CS core network id.
Usage:
Use this command to
provision the HNB-GW to enable or disable the exclusion of the primary
MSC node when it needs to be offloaded.
When this command is
enabled for exclusion of primary MSC node during NNSF function in
HNB-GW, the HNB-GW excludes the particular node from being considered.
User can re-enable the
inclusion of the primary MSC node to be considered for NNSF functionality
by no offload-msc
point-code command.
IMPORTANT:
Offload check is only
for the primary point code and NOT for the backup point code.
This command can be used
for planned maintenance as well.
Example:
The following command
configures the HNB-GW to exclude the primary MSC point code
1.2.3 from
being considered in NSSF function for Iu-Flex support:
offload-msc point-code 1.2.3
The following command
re-enables the inclusion of MSC point code
1.2.3 from
being considered in NSSF function for Iu-Flex support:
no offload-msc point-code 1.2.3
