7-1 Network Interface Card

Owned by Copy Page Tree
2018/07/18
3 min read

It monitors the network interface card (NIC) in the node. 
To attach an IP address, A NIC resource should be online first and is needed to be monitored. 
In a system with several NICs are installed, each NIC resources of MCCS must be able to identify those under its management. To identify those, you can use the name registered in the MAC address or device driver, or the name registered in the network connection registration information. The NIC resource of MCCS uses uses the name (FriendlyName) registered in the network connection registration information. 
This name is shown in the 'Network Connection' screen, or the information displayed after 'Ethernet Adapter' when you run the 'ipconfig' command in the command prompt is the name used to identify a NIC. 
The NIC resource defines this name by using the AdapterName attribute. 

Table of Contents





Adding

Add the network card resource to a group.
When you add the network card resource to a group, it will be immediately activated and displayed as online. 

  1. When add a resource from a group name, select a group → right click → "Add Resource". Or select "Edit(E)" from the main menu bar → select "Add Resource". Or select "Add Resource" icon from the tool bar.
  2. Select "NIC" from Resource Type lists and click the "Next" button. When add a resource from the NIC resource type name, this step will be skipped. 
  3. Enter resource name and select "NIC".

    [Figure] Add network card wizard view

  4. Click on the "Additional Settings" button to enter the ping timeout and the test address list.

    Additional setting can be selected as an option. Multiple test addresses are separated by ",". 

     
     [Figure] Additional Settings of NIC resource


  5. Click the "Finish" button to add the network card resource.

Deleting

Select the "Resource type" -> Right click  -> Delete the Resource.


State

The following table explains the state of NIC resource.

NIC agent: Manages physical network adapters.

State

Agent Command

DescriptionNote

Online

A network interface card is working normally.

Offline

A network card resource cannot be taken offline.


Monitoring

It refers to the AdapterName attributes and checks the link status of the NIC. 
A NIC resource is deemed to be normal only if a network device is connected.


Offline

A Network interface card is in unknown state.

Online

A NIC resource cannot be brought online.


Monitoring

It refers to the AdapterName attributes and checks the link status of the NIC. 
A network card resource is deemed to be normal only if a network device is connected.


Fault

A NIC is not configured or a link is disconnected. 
So, all the ICMP tests to the testing address failed.

OnlineA NIC resource cannot be brought online.
(When a faulted node is recovered, this resource will be automatically online state.)
Offline

A NIC resource cannot be taken offline.



*Network card resource characteristics

MCCS cannot use the online/offline commands to a network interface card. It is because a NIC is managed as MonitoringOnly resource.
Due to the characteristics, an Action attribute of its resource type is set to None. Also, its NoAction value of resource attribute is set to true. 
When a resource's attribute set to like these, this cannot be brought online or taken offline. It is online at all nodes at the same time and is only monitored the state.



Attribute

Show the unique attribute of network card resource.

Attribute

Description

Type

DefaultEditNote

AdapterName

It is the ethernet adapter name registered in network interface card.

STRING


O

PingTimeout

It is the time limit for ping test.
It goes through the test with the IP registered in TestAddressList and if there is no IP, it is ignored.

INTEGER

2 secO

TestAddressList

It is the list of network access test address.
If the ICMP test succeeds in at least one address, network connection state is considered normal.
When there is more than one address, they are separated by ",".

IP ADDRESS


O

Specified attribute values are normally entered when add the resource, This value can be edited or viewed through 'Specified Attribute' table in the Resource Attributes tab on the detailed information panel.

MCCS has function to limit input values against user's input field, and it provides function detects automatically data which is input wrong by user's mistake.