Querying the Running Status of PPPResetting the PPP

In this interface, you can query and set the Basic Attributes of the serial interface.

Navigation Path

In the NE Explorer, select an NE and choose Configuration > Interface Management > Serial Interface from the Function Tree. Then, click the Basic Attributes tab.

Shortcut Menu Items

**Table 1** Descriptions of the shortcut menu items for Serial interface Basic Attributes
Item	Description
Browse Current Alarms	Views the current alarms of the specified port.
Browse Historical Alarms	Views the history alarms of the specified port.
Alarm Suppression	Sets the alarm suppression status of the specified port.
Browse Performance	Views the performance data of the specified port.
Performance Statistics Management	Manages the performance statistic of the specified port.
Query PPP Running Status	In the case of a network failure, you can query the running status of the PPP to analyze the cause of the failure. Select Port, right-click, and choose Query PPP Running Status from the shortcut menu. The PPP Running Status dialog box is displayed. Click Close. NOTE: The encapsulation type of the created serial interface must be PPP.
Reset PPP	In the case of a network failure, you can reset the PPP to enable the PPP ports on the two ends of a link to re-negotiate. Right-click Port, and choose Reset PPP from the shortcut menu. A dialog box is displayed, indicating that the operation will interrupt the services. Click Yes. A dialog box is displayed, indicating that the operation was successful. Click Close. NOTE: The encapsulation type of the created serial interface must be PPP. NOTICE: Resetting the PPP will interrupt services.

Parameters

**Table 2** Descriptions of the parameters for Serial interface Basic Attributes
Field	Value	Description
Port	For Example: 3-CD1-1(Serial-1)	Displays a port name.
Name	For Example: Site A	Specifies a port name.
Level	VC12, 64K Timeslot	Specifies the level of a serial interface. VC12: The VC12s in a channelized STM-1 frame can be bound to a serial interface. 64 kbit/s timeslot: The timeslots of an E1 interface can be bound to a serial interface. NOTE: In the case of the serial interface at the VC12 level, one lower order path can be bundled with only one VC-12 serial port. In the case of the serial interface at the 64 kbit/s level, when the E1 frame mode is 30, timeslots 0 and 16 are unavailable. When the E1 frame mode is 31, timeslot 0 is unavailable.
Used Port	For Example: 3-CD1-1(Port-1)	Selects the physical port carrying the serial interface.
High Channel	VC4-1	Displays a higher order channel.
Low Channel	For Example: 1	Displays a lower order channel.
Used Timeslot	1-63	Sets the timeslots used by the serial interface. You cannot set the used timeslot for an E1 interface.
64K Timeslot	1-31	Sets the 64 kbit/s timeslot on a serial interface. You cannot set the used timeslot for an STM-1 interface.
Port Mode	Layer 2, Layer 3	Sets the port mode. If you set Port Mode to Layer 2, the value of Encapsulation Type changes to ATM automatically. The serial interface supports IMA binding. If you set Port Mode to Layer 3, you can set Encapsulation Type to PPP or Null. When you set Encapsulation Type to PPP, you can add the serial interface to an MP group. The serial interfaces that are bound to the same MP group have the same E1 frame mode. When Encapsulation Type is Null, Port Mode can be changed to Layer 2.
Encapsulation Type	ATM, Null, PPP	Selects the encapsulation type. Select PPP to add the serial interface in the MP group.
Max Data Packet Size (byte)	46-1900 Default: 1620	Sets the maximum data packet length. NOTE: In the case an NNI interface,Max Data Packet Size must be larger than 960. A DCN packet contains a maximum of 960 bytes. If Max Data Packet Size is smaller than 960, the DCN packets in the receive direction may be lost.