01-07 verifying the iu-ps interface

7 Verifying the Iu-PS Interface

About This Chapter

This task describes how to verify whether the Iu-PS interface is operational. The verification isperformed at the RNC.

7.1 Verifying the Iu-PS Interface (over ATM)This task describes how to verify whether the ATM-based Iu-PS interface is operational. Theverification is performed at the RNC.

7.2 Verifying the Iu-PS Interface (over IP)This task describes how to verify whether the IP-based Iu-PS interface is operational. Theverification is performed at the RNC.

RNCCommissioning Guide 7 Verifying the Iu-PS Interface

Issue 02 (2007-08-15) Huawei Technologies Proprietary 7-1

7.1 Verifying the Iu-PS Interface (over ATM)This task describes how to verify whether the ATM-based Iu-PS interface is operational. Theverification is performed at the RNC.

Prerequisitel The RNC local office has passed commissioning.

l The RNC and the SGSN are physically connected, that is, the connection has passed thehardware installation acceptance.

l SGSN commissioning engineers prove that the SGSN commissioning is complete and thecell is set up.

1. 7.1.1 Verifying Physical Links on the Terrestrial Interface at the RNC (over ATM)This task describes how to verify whether physical links on the ATM-based terrestrialinterface are operational.

2. 7.1.2 Verifying the Control Plane on the Iu-PS Interface (over ATM)This task describes how to verify whether the control plane on the ATM-based Iu-PSinterface is operational.

3. 7.1.3 Verifying the User Plane on the Iu-PS Interface (over ATM)This task describes how to verify whether the user plane on the ATM-based Iu-PS interfaceis operational.

7.1.1 Verifying Physical Links on the Terrestrial Interface at theRNC (over ATM)

This task describes how to verify whether physical links on the ATM-based terrestrial interfaceare operational.

Prerequisitel The communication between the RNC FAM and the BAM is operational.

l The RSS and all the RBSs are operational.

l The LMT is started and properly communicates with the BAM.

Contextl When the E1/T1 ports on the AEUa and AOUa boards serve as the bearing ports of the

RNC, verify whether the E1/T1 physical links are operational.l When the optical ports on the AOUa and UOIa boards serve the interconnection between

the RNC and the peer end, verify whether the optical ports are operational.l Only the UOIa board serves as the interface board in ATM transport over the Iu-PS interface

and you only need to verify whether the optical ports are operational.

Procedurel Verifying E1/T1 links

1. On the MML client, run the DSP E1T1 command to set the parameters as follows:

7 Verifying the Iu-PS InterfaceRNC

Commissioning Guide

7-2 Huawei Technologies Proprietary Issue 02 (2007-08-15)

– Set Subrack No. to the number of the subrack where the interface board carryingthe E1/T1 links to be queried is located.

– Set Slot No. to the number of the slot where the interface board carrying the E1/T1 links to be queried is held.

– Set Board type to the type of the interface board carrying E1/T1 links to be queried.

– Set Link No. to the number of the E1/T1 links to be queried.

Expectation: For the associated E1 links, Link running state isAvailable.

2. If Link running state displays one of the following alarms, refer to 15.1Unavailable E1/T1 Physical Links for troubleshooting:– Loss of Signal– Alarm Indication Signal– Loss of Frame– Remote Alarm– Loss of Multiple Frame– Slip Alarm– Fault

l Verifying optical ports1. On the MML client, run the DSP OPT command to set the parameters as follows:

– Set Subrack No. to the number of the subrack where the optical ports to be verifiedare located.

– Set Slot No. to the number of the slot where the optical ports to be verified areheld.

– Set Board type to the type of the board where the optical ports are located.

– Set Port No. to the number of the port of the board where the optical ports to beverified are located.

Expectation: For the associated optical ports, Optical port state isNormal.

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7.1.2 Verifying the Control Plane on the Iu-PS Interface (over ATM)This task describes how to verify whether the control plane on the ATM-based Iu-PS interfaceis operational.


l The RSS subrack and all the RBS subracks are operational.


Procedure

Step 1 On the MML client, run the DSP SAALLNK command for each SPUa subsystem where theSAAL link on the Iu-PS interface is terminated.



l Set Subrack No. to the number of the subrack where the SAAL link on the Iu-PS interfaceto be queried is terminated.

l Set Slot No. to the number of the SPUa slot where the SAAL link on the Iu-PS interface tobe queried is terminated.

l Set Subsystem No. to the number of the SPUa subsystem where the SAAL link on the Iu-PS interface to be queried is terminated.

l Set SAAL link No. to the number of the SAAL link in the SPUa subsystem.

Expectation: Operational state is Available.

Step 2 Run the DSP MTP3BLNK command to set the parameters as follows:l Set Query type to BYDSP (QUERY BY DSP).

l Set DSP index to the DSP index of the SGSN.


Step 3 Run the DSP SSN command and set DSP index to the DSP index of the SGSN.Expectation: SSN state is Enable.

Step 4 Run the DSP N7DPC command and set DSP index to the DSP index of the SGSN.Expectations:l SCCP DSP state is Accessible.

l Peer SCCP state is Available.

l SCCP DSP congested state is Not Congested.

l MTP3B DSP congested state is Not Congested.

l MTP3B DSP state is Available.

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7.1.3 Verifying the User Plane on the Iu-PS Interface (over ATM)This task describes how to verify whether the user plane on the ATM-based Iu-PS interface isoperational.




ProcedureOn the MML client, run the PING IP command to set the parameters as follows:l Set Subrack No. to the number of the subrack carrying the Iu-PS interface.

l Set Slot No. to the number of the slot carrying the Iu-PS interface.

l Set Source IP address to the IP address of the board carrying the Iu-PS interface.

l Set Destination address to the IP address of the connected SGSN.

Expectation: The Execution succeeded message is displayed.


Commissioning Guide


NOTEIf the peer end has the firewall, a failure message is displayed.

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7.2 Verifying the Iu-PS Interface (over IP)This task describes how to verify whether the IP-based Iu-PS interface is operational. Theverification is performed at the RNC.

Prerequisitel The RNC local office has passed commissioning.

l The RNC and the SGSN are physically connected, that is, the connection has passed thehardware installation acceptance.

l SGSN commissioning engineers prove that the SGSN commissioning is complete and thecell is set up.

1. 7.2.1 Verifying Physical Links on the Terrestrial Interface at the RNC (over IP)This task describes how to verify whether physical links on the IP-based terrestrial interfaceare operational.

2. 7.2.2 Verifying the Control Plane on the Iu-PS Interface (over IP)This task describes how to verify whether the control plane on the IP-based Iu-PS interfaceis operational.

3. 7.2.3 Verifying the User Plane on the Iu-PS Interface (over IP)This task describes how to verify whether the user plane on the IP-based Iu-PS interface isoperational.

7.2.1 Verifying Physical Links on the Terrestrial Interface at theRNC (over IP)

This task describes how to verify whether physical links on the IP-based terrestrial interface areoperational.


l The RSS and all the RBSs are operational.


Contextl When the E1/T1 port on the PEUa board serves as the bearing port of the RNC, verify

whether the physical links on the E1/T1 port, PPP links, and MLPPP group are operational.l When the FE/GE port on the FG2a and GOUa boards serve as the bearing port of the RNC,

verify whether the physical links on the FE/GE port are operational.

Procedurel Verifying E1/T1 links



1. On the MML client, run the DSP E1T1 command to set the parameters as follows:– Set Subrack No. to the number of the subrack where the interface board carrying

the E1/T1 links to be queried is located.– Set Slot No. to the number of the slot where the interface board carrying the E1/

T1 links to be queried is held.– Set Board type to the type of the interface board carrying E1/T1 links to be queried.– Set Link No. to the number of the E1/T1 links to be queried.Expectation: For the associated E1 links, Link running state isAvailable.If Link running state displays one of the following alarms, refer to 15.1Unavailable E1/T1 Physical Links for troubleshooting:– Loss of Signal– Alarm Indication Signal– Loss of Frame– Remote Alarm– Loss of Multiple Frame– Slip Alarm– Fault

2. Run the DSP PPPLNK command to set the parameters as follows:– Set Subrack No. to the number of the subrack where the PPP link to be queried

is located.– Set Slot No. to the number of the slot where the interface board carrying the PPP

link to be queried is held.– Set PPP link No. to the number of the PPP link to be queried.Expectation: For the associated PPP link, Link state is UP.

3. Run the DSP MPGRP command to set the parameters as follows:– Set Subrack No. to the number of the subrack where the MLPPP link to be queried

is located.– Set Slot No. to the number of the slot where the interface board carrying the MLPPP

link to be queried is held.– Set MLPPP Group No. to the number of the MLPPP link group to be queried.Expectation: For the associated E1 link, Link state is Normal.

l Verifying physical links on the FE/GE Port

On the MML client, run the DSP ETHPORT command to set the parameters as follows:– Set Subrack No. to the number of the subrack where the interface board carrying the

FE/GE links to be queried is located.– Set Slot No. to the number of the slot where the interface board carrying the FE/GE

links to be queried is held.– Set Port No. to the number of the FE/GE port to be queried.

Expectation: For the physical links on the FE/GE port, Link Availability Status isAvailable.If the verification fails and one of the following is displayed, refer to 15.2 Unavailable FE/GE Physical Links.


Commissioning Guide


– Link Availability Status is Unavailable.

– Port state is Deactivated .

– Configured is No.

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7.2.2 Verifying the Control Plane on the Iu-PS Interface (over IP)This task describes how to verify whether the control plane on the IP-based Iu-PS interface isoperational.




Procedure

Step 1 On the MML client, run the DSP N7DPC command and set DSP index to the ID of the DSP tobe queried.Expectation: Operational state is Available.

Step 2 Run the DSP ADJNODE command and set Adjacent node ID to the ID of the adjacent nodeto be queried.Expectation: Operational state is Available.

Step 3 For each SPUa subsystem where the SCTP on the Iu-PS interface is terminated, run the DSPSCTPLNK command to set the parameters as follows:l Set Subrack No. to the number of the subrack to which the Iu-PS interface to be queried is

connected.l Set Slot No. to the number of the slot where the SCTP link is terminated.

l Set Subsystem No. to the number of the subsystem where the SCTP link is terminated.


Step 4 Run the DSP M3LKS command and set M3UA linkset index to the index of the M3UA linksetto be queried.Expectation: Operational state is Available.

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7.2.3 Verifying the User Plane on the Iu-PS Interface (over IP)This task describes how to verify whether the user plane on the IP-based Iu-PS interface isoperational.






Procedure

Step 1 On the MML client, run the DSP IPPATH command to set the parameters as follows:l Set Adjacent node ID to the ID of the adjacent node of the IP path on the Iu-PS interface to

be queried.l Set IP path ID to the ID of the IP path on the Iu-PS interface to be queried.


Step 2 Run the DSP IPRT command to set the parameters as follows:l Set Subrack No. to the number of the subrack to which the Iu-PS interface to be queried is

connected.l Set Slot No. to the number of the slot where the board of the Iu-PS interface to be queried is

held.l Set Destination address to the IP address of the connected SGSN.


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Commissioning Guide


01-07 verifying the iu-ps interface

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