DUT IP Setup

Description

The test set supports three types of IP connection with the access terminal (AT, or also the Device Under Test): IPv4, IPv6 and IPv4+IPv6. Before the AT initiates an IP connection (either IPv4 or IPv6 or both) with the test set, the DUT IP parameters must be correctly set. A typical DUT IP Setup parameters menu is shown as below.

DUT IP Setup Menu

For IPv4 address requirements, see IP Address Requirements , for IPv6 address, see IPv6 Address Requirements .

• DUT IP Address Version

  This parameter allows you to choose the type of the communication the test set will use when setting up a connection with the Device Under Test (GPIB Command: CALL:MS:IP:VERSion[1]|2|3 ).

  • If the DUT IP Version is set to IPv4 , only an IPv4 connection is allowed to be set up between the test set and the DUT. Normal IPv4 operations are supported with parameters including: DUT IP Address , Internal Mobile IP State , Home Agent Shared Secret (Hex) , DUT Primary DNS Server IP Address , DUT Secondary DNS Server IP Address .
  • If the DUT IP Version is set to IPv6 , only an IPv6 connection is allowed to be set up between the test set and the DUT. Normal IPv6 operations are supported with parameters including: DUT IPv6 DNS Server , DUT IPv6 P-CSCF Server . A DUT IPv6 address (IID) will be allocated randomly to the DUT by the test set if the DUT does not promote one.
  • If the DUT IP Version is set to IPv4 + IPv6 (Dual) , both IPv4 and IPv6 connections are allowed to be set up between the test set and the DUT. It is also allowed to set up a single IP connection (either IPv4 or IPv6) if the DUT only supports one IP version.
     

  NOTE

  DUT IP Version is only applicable when the test set's internal PDSN is used ( External PDSN State is set to Off ). If the External PDSN State is set to On , this setting will have no effect and only IPv4 connection will be set up.

  DUT IP Version only affects OTA (over the air) negotiation between the test set and the DUT. The test set always supports both IPv4 and IPv6 via LAN connections.

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  DUT IP 2/3 Version is only used for Multiple-PDN Support .

  DUT IP Version is applicable when Session Application Type is Default Packet, MFPA, EMPA or Alternate EMPA, External EPC Connection Status is Disconnected, and External PDSN State is set to Off.

  When the DUT IP Version is changed:

  IF DUT IP Version is applicable and the corresponding PDN connection is active, the PPP session will be closed and the PDN connection will be dropped.

  If the new DUT IP Version is the same as the previous value, or is IPv4+IPv6, the data connection will not be dropped.

  If DUT IP Version is not applicable or the corresponding PDN connection is not active, the value wil be saved yet invalid.

• DUT IP Address

  DUT IP Address 2/3 is only used for Multiple-PDN Support .

• DUT IPv6 Prefix

  The DUT IPv6 Prefix is a 16-char string that specifies the IPv6 Prefix of the DUT when the DUT IP Version is IPv4+IPv6 or IPv6 .

  The current IPv6 Prefix that the DUT is using depends on the following situations:

  • If DUT IPv6 Prefix is left blank, set to an invalid value or set to the same value as IPv6 Prefix, Upper/Lower (Hex) , the DUT will use the same IPv6 prefix as the test set. Futhermore, DUT IPv6 Prefix should be different from In Use DUT IPv6 Prefix to support VSNCP resynchronization.
  • If DUT IPv6 Prefix is set to a valid value which is other than the IPv6 Prefix, Upper/Lower (Hex) , then the test set serves as a router between the UE and the LAN segment, which means:
    • The test set will forward all the IPv6 packets directing to that DUT IPv6 Prefix (no matter what the IID is) from the network to the UE.
    • The test set will not forward any link-local prefixed (i.e. FE80::) IPv6 packet to the UE.
    • In order to ensure the forward IPv6 packets firstly reach the test set, the network node should use the test set as the gateway for the IPv6 packets directing to that UE IPv6 Prefixes. In order to achieve this, you may need to manually edit the IPv6 routing table of the network node (for example, by adding a routing entry in the routing table).

  DUT IPv6 Prefix 2 or 3 is only used when setting up multiple PDN connections. If more than one PDN connection is to be set up, meanwhile if any of these PDN connections is via IPv6, you must also set the associated DUT IPv6 Prefix for that PDN connection. See Multiple-PDN Support . Note that if you set the DUT IPv6 prefixes to be different from the IPv6 prefix of the test set, you must also ensure these DUT IPv6 prefixes are not the same with each other.

  When operating from the front panel, you must set both the DUT IPv6 Prefix Upper part and the DUT IPv6 Prefix Lower part to form a full DUT IPv6 Prefix.

• Internal Mobile IP State ,
• Home Agent Shared Secret (Hex)
• DUT Primary DNS Server IP Address ,
• DUT Secondary DNS Server IP Address
• DUT IPv6 DNS Server

  This parameter provides the DNS server address to the DUT if the DUT requests a DNS Server IPv6 address in the VSNCP negotiation procedure (GPIB Command: CALL:MS:DNSServer:PRIMary:IP:ADDRess:IP6 ). This is used when the test set is in eHRPD mode with the Session Application Type set to Alternate EMPA .

  The DUT IPv6 DNS Server address is an typical IPv6 address and is comprised of two portion accordingly: IPv6 Prefix and IPv6 Interface ID (IID). Each portion is further divided into two parts (the upper part and the lower part) to simplify the input, see DUT IP Setup Menu .

  The DUT IPv6 DNS Server address setting is stored in non-volatile RAM and will NOT be changed by a reset, power cycle operations.

• DUT IPv6 P-CSCF Server

  This parameter provides the P-CSCF server address to the DUT if the DUT requests one or more P-CSCF Server IPv6 addresses in the VSNCP negotiation procedure (GPIB Command: CALL:MS:CSCF:PROXy:IP:ADDRess[1]|2|3:IP6 , ). This is used when the test set is in eHRPD mode with the Session Application Type set to Alternate EMPA .

  The DUT IPv6 P-CSCF Server address is an typical IPv6 address and is comprised of two portion accordingly: IPv6 Prefix and IPv6 Interface ID (IID). Each portion is further divided into two parts (the upper part and the lower part) to simplify the input, see DUT IP Setup Menu .

  The DUT IPv6 P-CSCF Server address setting is stored in non-volatile RAM and will NOT be changed by a reset, power cycle operations.

• DUT IPv6 P-CSCF Server Prefix/Prefix2, Upper/Lower (Hex)

  This parameter sets the upper or lower 4 bytes of the prefix part of DUT IPv6 P-CSCF server address/address 2/address 3. This setting is stored in non-volatile RAM and will NOT be changed by a reset, or power cycle operations.

• DUT IPv6 P-CSCF Server IID/IID2, Upper/Lower (Hex)

  This parameter sets the upper or lower 4 bytes of the IID part of DUT IPv6 P-CSCF server address/address 2/address 3. This setting is stored in non-volatile RAM and will NOT be changed by a reset, or power cycle operations.

Related Topics

GPIB Commands: CALL:MS

Manual Operation: How Do I Set Up DUT IP Parameters?

Instrument IP Info/Instrument IP Setup

Configuring the Test Set's LAN