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Page 1: Version 7.3.2 IBM QRadar Packet Capture...Figure 1. Cluster Master or Stand-Alone System Figure 2. Cluster Data Node Intel SFP+ and SFP compatibility list The QRadar Packet Capture

IBM QRadar Packet CaptureVersion 7.3.2

Packet Capture Setup for the DellPowerEdge R730 System

IBM

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Note

Before you use this information and the product that it supports, read the information in “Notices” onpage 19.

Product information

This document applies to IBM® QRadar® Security Intelligence Platform V7.3.2 and subsequent releases unlesssuperseded by an updated version of this document.© Copyright International Business Machines Corporation 2016, 2019.US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract withIBM Corp.

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Contents

Introduction to installing QRadar Packet Capture................................................... v

Chapter 1. QRadar Packet Capture on a PowerEdge R730 system........................... 1System requirements...................................................................................................................................1Intel SFP+ and SFP compatibility list.......................................................................................................... 2

Chapter 2. Configuring system BIOS on a Dell PowerEdge R730 system.................. 3

Chapter 3. Configure the PERC H730P RAID Controller........................................... 5Creating an operating system partition....................................................................................................... 5Creating an extraction partition...................................................................................................................6Creating a capture partition.........................................................................................................................7

Chapter 4. Install IBM QRadar Packet Capture..................................................... 11Installing QRadar Packet Capture by using a DVD....................................................................................11Installing QRadar Packet Capture by using an SFS image....................................................................... 12Installing QRadar Packet Capture by using a PXE Server.........................................................................13

Chapter 5. Configure IBM QRadar Packet Capture................................................ 15Configuring the UTC time...........................................................................................................................15Configuring the network settings.............................................................................................................. 15Changing the operating system account password..................................................................................16Connecting the master and data nodes in a clustered environment....................................................... 17

Notices................................................................................................................19Trademarks................................................................................................................................................ 20Terms and conditions for product documentation................................................................................... 20IBM Online Privacy Statement.................................................................................................................. 21General Data Protection Regulation..........................................................................................................21Privacy policy considerations ................................................................................................................... 21

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Introduction to installing QRadar Packet Capture

This documentation provides you with information that you need to install and configure IBM SecurityQRadar Packet Capture.

Intended audience

System administrators who are responsible for installing QRadar Packet Capture must be familiar withnetwork security concepts and device configurations.

Technical documentation

To find IBM QRadar product documentation in the QRadar products library, see Accessing IBM SecurityDocumentation Technical Note (www.ibm.com/support/docview.wss?rs=0&uid=swg21614644).

Contacting customer support

For information about contacting customer support, see QRadar Support – Assistance 101 (https://ibm.biz/qradarsupport).

Statement of good security practices

IT system security involves protecting systems and information through prevention, detection andresponse to improper access from within and outside your enterprise. Improper access can result ininformation being altered, destroyed, misappropriated or misused or can result in damage to or misuse ofyour systems, including for use in attacks on others. No IT system or product should be consideredcompletely secure and no single product, service or security measure can be completely effective inpreventing improper use or access. IBM systems, products and services are designed to be part of alawful comprehensive security approach, which will necessarily involve additional operationalprocedures, and may require other systems, products or services to be most effective. IBM DOES NOTWARRANT THAT ANY SYSTEMS, PRODUCTS OR SERVICES ARE IMMUNE FROM, OR WILL MAKE YOURENTERPRISE IMMUNE FROM, THE MALICIOUS OR ILLEGAL CONDUCT OF ANY PARTY.

Please Note:

Use of this Program may implicate various laws or regulations, including those related to privacy, dataprotection, employment, and electronic communications and storage. IBM QRadar may be used only forlawful purposes and in a lawful manner. Customer agrees to use this Program pursuant to, and assumesall responsibility for complying with, applicable laws, regulations and policies. Licensee represents that itwill obtain or has obtained any consents, permissions, or licenses required to enable its lawful use of IBMQRadar.

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vi IBM QRadar Packet Capture: Packet Capture Setup for the Dell PowerEdge R730 System

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Chapter 1. QRadar Packet Capture on a PowerEdgeR730 system

Use this document to configure your Dell PowerEdge system as a single-system packet capture solution,or as part of a multi-system packet capture solution. In a multi-system packet capture solution, eachcluster must contain one master and 1 or 2 Data Nodes.

QRadar Packet Capture system requirementsThe IBM QRadar Packet Capture appliance must meet the following system requirements.

Table 1. System Requirements

Description Value

System Dell PowerEdge R730

CPU E5-2650 V3

RAID Controller PERC H730P Mini RAID Controller

RAM Minimum 64 GB per CPU (128 GB)

HDD Twelve 4 TB near-line SAS front-mounted harddisks that are connected to the RAID Controller.

• 2 - 4 TB drives in RAID1• 10 - 4 TB drives in RAID5

NIC 2 Intel X520 NICs with 10 Gb/s SFP+ modules

Monitor External monitor plugged into the VGA port.

Optical Cables 2 or 3 optical cables for testing packet capture

Operating System Red Hat Enterprise Linux V6.9

The system must support the Intel AES and AVX standards that were introduced by Intel in 2011.

For information about installing IBM QRadar Packet Capture on your own appliance, see the IBM QRadarPacket Capture Quick Reference Guide.

Preparing to setup your packet capture environment

Use the following list to help you prepare for setting up your packet capture environment:

• Attach an external monitor by using the VGA port.• Have 2 or 3 optical cables available for testing packet capture on Interface 0, and for testing the

connectivity between the master and data node in a clustered environment.• Install two Intel X520 10 Gbit/s NICs in the exact slots that are shown in these diagrams. You can use a

single X520 NIC that is for a stand-alone setup or an individual Data Node. You must install the singleNIC where Interface 0 is marked on the diagram.

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Figure 1. Cluster Master or Stand-Alone System

Figure 2. Cluster Data Node

Intel SFP+ and SFP compatibility listThe QRadar Packet Capture appliance has only one capture port (DNA0). The appliance is not equippedwith an SFP transceiver, so you must install either an SFP+ 10G transceiver or an SFP 1G (Copper RJ45)transceiver into the capture port.

The following transceiver types are compatible with the PowerEdge R730 system:

• Dual rate 10GBASE-SR/1000BASE-SX, Intel Ethernet SFP+ SR Optical• Dual rate 10GBASE-LR/1000BASE-LX, Intel Ethernet SFP+ LR Optical• 1000BASE-T, Finisar Gigabit Ethernet• HP Gigabit SX

To purchase an SFP transceiver for your QRadar Packet Capture appliance, contact your IBM SalesRepresentative for specific part numbers, and then see the following vendor websites:

• Digi-Key web site (http://www.digikey.com)• Mouser Electronics web site (http://www.mouser.com)• CDW web site (http://www.cdw.com)• Newegg web site (https://www.newegg.com)• Amazon web site (http://amazon.com)

Transceiver throughput

When an SFP 1G transceiver is installed, it truncates the capture rate to 1 Gbps. To have multiple 1Gconnections, you can put a switch or an aggregator in front of where the 10G outbound port goes into theQRadar Packet Capture SFP+ 10G port. As a result, you can have multiple 1 Gb ports aggregated into theQRadar Packet Capture 10G SFP+ interface.

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Chapter 2. Configuring system BIOS on a DellPowerEdge R730 system

Use the BIOS to configure your system settings. These settings are based on system BIOS version 1.04. Ifyour BIOS is newer, you must verify that the same settings in your version exist as shown here.

Procedure

1. To access the BIOS system setup, press the F2 key while the system is powering on.2. From the Main menu screen, select System BIOS.3. Load the default settings by selecting Default.4. Configure your system BIOS settings by using the following values:

Table 2. Processor Settings

Setting Value

Logical Processor Enabled

QPI Speed 9.6 GT/s

Table 3. System Profile Settings

Setting Value

System Profile Custom

CPU Power® Management OSDBPM

Memory Frequency Max Performance

Turbo Boost Disabled

Energy Efficiency Policy Performance

5. Press the Esc key to return to the System BIOS screen.6. Save changes when prompted.

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4 IBM QRadar Packet Capture: Packet Capture Setup for the Dell PowerEdge R730 System

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Chapter 3. Configure the PERC H730P RAIDController for the Dell PowerEdge R730 system

The virtual drive configuration consists of a 128 GB operating system RAID 1 partition on the first two diskdrives, and an extraction RAID 1 partition that uses the remaining space on those same two drives. Theremaining 10 drives are used for a RAID 5 capture partition.

It is important to create the RAID partitions in a specific order, and by using the configuration settings asdescribed. Some settings can change dynamically, so it is important to verify the settings throughout theprocess. An incorrect RAID configuration can cause performance or system failures later.

1. Create the operating system partition.2. Create the extraction partition.3. Create the capture partition.

Creating an operating system partitionUse the following settings to create a 128 GB operating system partition RAID 1 configuration on the firsttwo disk drives.

Some settings can change dynamically. It is important to double-check the settings as you progress. Anincorrect RAID configuration can cause performance or system failures later.

Procedure

1. Press the F2 key while the system powers on to access the BIOS System Setup.2. From the System Setup Main menu, select Device Settings.3. Select Integrated RAID Controller 1: Dell Perc <PERC H730P Mini> Configuration Utility.4. From the Main menu, select Configuration Management > Create Virtual Disk and use the following

table to configure the virtual disk settings:

Table 4. Configuration Management - Create Virtual Disk

Setting Value

Select RAID Level RAID1

Secure Virtual Disk Clear

Use Data Protection Clear

Select Physical Disks From Unconfigured Capacity

5. Click Select Physical Disks.

This selection takes you to the Main Menu > Configuration Management > Create Virtual Disk >Select Physical Disks menu.

6. Use the following table to configure the physical disk parameters:

Table 5. Physical Disk parameters

Setting Value

Select Media Type HDD

Select Interface Type SAS

Logical Sector 512 B

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7. Under Choose Unconfigured Physical Disks > RAID 1, select the first two disks, which are identifiedas 00:01:00 and 00:01:01 and then select Apply Changes.

8. Click OK to accept the message that indicates that the operation was completed successfully.9. Select Configure Virtual Disk Parameters and use the following table to configure the virtual disk

parameters:

Table 6. Virtual Disk parameters

Setting Value

Virtual Disk Name Leave default setting.

Virtual Disk Size 128

Virtual Disk Size Unit GB

Strip Element Size 256 KB

Read Policy Read Ahead

Write Policy Force Write Back

Disk Cache Enable

Default Initialization Fast

10. Check Confirm and select Yes to confirm creating the virtual disk and permanently deleting the data.11. Click OK to accept the successful operation message.

Creating an extraction partitionUse the following configuration settings to create an extraction RAID 1 virtual partition from theremaining space that was used to configure the operating system partition.

Some settings can change dynamically. It is important to double-check the settings as you progress. Anincorrect RAID configuration can cause performance or system failures later.

Procedure

1. From the Main menu, select Configuration Management.2. Use the following table to configure the virtual disk:

Table 7. Configuration Management - Create Virtual Disk

Setting Value

Select RAID Level RAID1

Secure Virtual Disk Clear

Use Data Protection Clear

Select Physical Disks From Free Capacity

3. Click Select Disk Groups.

This selection takes you to the Main Menu > Configuration Management > Create Virtual Disk >Select Disk Groups menu.

Use the following table to verify the disk group parameters:

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Table 8. Disk Group parameters

Setting Value

Disk Group 0: RAID1 Selected

Free Space 3597 GB

Associated Physical Disks Verify the selections:

Physical Disk 00:01:00: HDD, SAS, 3725GB,Online, (512B)

Physical Disk 00:01:01: HDD, SAS, 3725GB,Online, (512B)

4. Click Apply changes and then click OK to accept the successful operation message.5. Select Configure Virtual Disk Parameters and use the following table to configure the virtual disk

parameters:

Table 9. Virtual Disk parameters

Setting Value

Virtual Disk Name Leave default setting.

Virtual Disk Size 3597

Virtual Disk Size Unit GB

Strip Element Size 256 KB

Read Policy Read Ahead

Write Policy Force Write Back

Disk Cache Enable

Default Initialization Fast

6. Click Create Virtual Disk to save the configuration changes.7. Check Confirm and select Yes to confirm the virtual disk creation and permanently delete the data.8. Click OK to accept the successful operation message.

Creating a capture partitionUse the following settings to create a RAID 5 capture partition for the remaining 10 disk drives.

Some settings can change dynamically. It is important to double-check the settings as you progress. Anincorrect RAID configuration can cause performance or system failures later.

Procedure

1. From the System Setup Main menu, select Configuration Management > Create Virtual Disk.2. Use the following table to configure the virtual disk:

Table 10. Configuration Management - Create Virtual Disk

Setting Value

Select RAID Level RAID5

Secure Virtual Disk Clear

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Table 10. Configuration Management - Create Virtual Disk (continued)

Setting Value

Use Data Protection Clear

Select Physical Disks From Unconfigured Capacity

3. Click Select Physical Disks.

This selection takes you to the Main Menu > Configuration Management > Create Virtual Disk >Select Physical Disks menu.

Use the following table to configure the physical disk parameters:

Table 11. Physical Disk parameters

Setting Value

Select Media Type HDD

Select Interface Type SAS

Logical Sector 512 B

4. Under Choose Unconfigured Physical Disks, click Check all to select the remaining drives.5. Click Apply changes and then click OK to accept the successful operation message.6. Select Configure Virtual Disk Parameters and use the following table to configure the settings:

Table 12. Virtual Disk parameters

Setting Value

Virtual Disk Name Leave default setting.

Virtual Disk Size 33529

Virtual Disk Size Unit GB

Strip Element Size 1 MB

Read Policy Read Ahead

Write Policy Force Write Back

Disk Cache Enable

Default Initialization Fast

7. Click Create Virtual Disk to save the configuration changes.8. Select Confirm to create the virtual disk.9. Press the Esc key twice to return to the Integrated RAID Controller Main menu.

10. Select Virtual Disk Management from the Integrated RAID Controller Main menu and verify that allof the virtual disks were created as shown in the following table:

Table 13. Virtual Disk Management

Virtual Disk RAID Level Virtual Disk Size Status

Virtual Disk 0 RAID1 128 GB Ready

Virtual Disk 1 RAID1 3597 GB Ready

Virtual Disk 2 RAID5 33529 GB Optimal

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11. Press the Esc key several times to return to the System Setup Main menu.12. When prompted, select Yes to exit and restart the system.

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Chapter 4. Install IBM QRadar Packet CaptureThere are several methods that you can use to install the software on your IBM QRadar Packet Captureappliance.

For information about installing the software on your own hardware, see the IBM QRadar Packet CaptureQuick Reference Guide.

Installing QRadar Packet Capture by using a DVDYou can use a DVD to install QRadar Packet Capture on your packet capture appliance.

Before you begin

Use this checklist to prepare for the installation:

• Download the stand-alone image from IBM Fix Central (www.ibm.com/support/fixcentral). You must beable to boot the system by using this image.

• If you are configuring a multi-system packet capture solution, you also need to download the data nodeimage. You must be able to boot the system by using this image.

• Ensure that the RAID configuration is setup and that the system was restarted.• Ensure that you do not have additional USB devices, or extra network / packet capture cables plugged

into the system while you are installing.

About this task

A multi-system clustered configuration consists of one master system, and 1 or 2 data nodes. Make surethat you boot from the appropriate image source, depending on the final system configuration that youwant. The cluster master device uses the same image as a stand-alone device.

Procedure

1. Plug in an external DVD drive into the system with the image DVD inserted.2. During the startup process, press F12 to enter the Select Boot Device screen.3. Select the option that refers to the DVD option.

For example, select Virtual Optical Drive.

This will start Clonezilla.4. When you see the screen indicating that you are about to restore the image to the hard drive /

partition, type Y when prompted with the message Are you sure you want to continue?.5. Type Y again when prompted to confirm that you want to restore the image.6. After the imaging process completes successfully, select Power off.7. Disconnect the DVD drive from the system.8. Power on the system and log in as the root user.

The default password is [email protected]. Type cd /root to change to the root directory.

10. Type ./Reset_Interfaces.sh to run the script and restart the system.11. After the system restarts, log in as the root user again.12. At the command prompt, type df -h and verify the following information:

a. On the line that begins with /dev/sdc, check that the size of the /storage0 partition is 33 TB.

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b. On the line that begins with /dev/sdb1, check that the size of the /extraction partition is 3.5TB.

If the partitions are not the correct size, ensure that the operating system, extraction, and captureRAID arrays were created correctly, and in the correct order before you deployed the image.

The sizes of sdc and sdb1 are based on using all 4 TB hard disks in the system. If different disks areused, the relative size of the sdc and sdb increases or decreases with the size of the hard disks. Theoperating system partition (sda) is always fixed because it was set up in the RAID configuration.

Installing QRadar Packet Capture by using an SFS imageYou can use an .sfs image to install QRadar Packet Capture on your packet capture appliance.

Before you begin

Use this checklist to prepare for the installation:

• Download the stand-alone image from IBM Fix Central (www.ibm.com/support/fixcentral). You must beable to boot the system by using this image.

• If you are configuring a multi-system packet capture solution, you also need to download the data nodeimage. You must be able to boot the system by using this image.

• Ensure that the RAID configuration is setup and that the system was restarted.• Ensure that you do not have additional USB devices, or extra network / packet capture cables plugged

into the system while you are installing.

About this task

A multi-system clustered configuration consists of one master system, and 1 or 2 data nodes. Make surethat you boot from the appropriate image source, depending on the final system configuration that youwant. The cluster master device uses the same image as a stand-alone device.

Procedure

1. Download the .sfs image from IBM Fix Central (www.ibm.com/support/fixcentral).

The .sfs file is named x.x.x-QRadar-PCAP-Build-nnnn.sfs, where:

• x.x.x is the release version.• nnnn is a four-digit number that is allocated to the build.

2. Type mkdir -p /tmp/QRadar_PCAP_install to create a temporary directory.

If the temporary directory already exists, ensure that it is empty.3. Type the following command to mount the installer file to the temporary directory:

mount -o loop -t squashfs x.x.x-QRadar-PCAP-Build-nnnn.sfs /tmp/QRadar_PCAP_install

4. Type the following command to change into the installer directory:

cd /tmp/QRadar_PCAP_install5. Type the following command to run the installation script:

sh ./installer.sh6. Restart the system.

Ensure that the release version and build number match installed version.

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Installing QRadar Packet Capture by using a PXE ServerYou can use a PXE Server to install QRadar Packet Capture on your packet capture appliance.

Before you begin

Use this checklist to prepare for the installation:

• Download the stand-alone image from IBM Fix Central (www.ibm.com/support/fixcentral). You must beable to boot the system by using this image.

• If you are configuring a multi-system packet capture solution, you also need to download the data nodeimage. You must be able to boot the system by using this image.

• Ensure that the RAID configuration is setup and that the system was restarted.• Ensure that you do not have additional USB devices, or extra network / packet capture cables plugged

into the system while you are installing.

About this task

A multi-system clustered configuration consists of one master system, and 1 or 2 data nodes. Make surethat you boot from the appropriate image source, depending on the final system configuration that youwant. The cluster master device uses the same image as a stand-alone device.

Procedure

1. Plug in a network cable provided from the PXE Server into the Eth2/PXE0 port.

For images of the back panel on specific hardware, see the IBM QRadar Packet Capture QuickReference Guide.

2. Reboot the system from the PXE interface by using the downloaded image.3. Depending on the image that you are installing, the following steps might be automated. If so, skip to

the next step.

a. When the system restarts, select the default menu option at the top.b. Select Y at the prompt Are you sure you want to continue?c. Select Y at the prompt Let me ask you again. Are you sure you want to continue?

4. After the imaging process completes successfully, select Power off.5. Power on the system and log in as the root user.

The default password is [email protected]. Type cd /root to change to the root directory.7. Type ./Reset_Interfaces.sh to run the script and restart the system.8. After the system restarts, log in as the root user again.9. At the command prompt, type df -h and verify the following information:

a. On the line that begins with /dev/sdc, check that the size of the /storage0 partition is 33 TB.b. On the line that begins with /dev/sdb1, check that the size of the /extraction partition is 3.5

TB.c.

If the partitions are not the correct size, ensure that the operating system, extraction, and captureRAID arrays were created correctly, and in the correct order before you deployed the image.

The sizes of sdc and sdb1 are based on using all 4 TB hard disks in the system. If different disks areused, the relative size of the sdc and sdb increases or decreases with the size of the hard disks. Theoperating system partition (sda) is always fixed because it was set up in the RAID configuration.

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Chapter 5. Configure IBM QRadar Packet CaptureAfter you set up IBM QRadar Packet Capture, you must configure the system before you can capturepacket data.

Configuring the UTC time on your packet capture applianceUse these steps to configure the date and time on your IBM QRadar Packet Capture appliance.

About this taskBy default, the Network Time Protocol (NTP) service uses public servers. If you want to use an internalserver, you must edit the /etc/ntp.conf file and change the lines that begin with "server" to yourserver.

Procedure

1. At the command line, use the date command to change the current Coordinated Universal Time time.

The format for the date command is:

date <month><day><hour><minutes><year>

For example, to set the date and time to February 25, 2016 at 3:07 PM, type date 022515072016.2. To set the hardware / BIOS clock, type /sbin/hwclock --systohc.

Configuring the network settings on your packet capture applianceBefore you can capture packets, you must configure the network settings on the IBM QRadar PacketCapture appliance.

Before you beginYou must have a display and keyboard connected.

You must provide an Ethernet connection to one of the onboard Ethernet ports (Eth2, Eth3, or Eth4).

Procedure

1. Check which network interfaces are available by using the following command:

ifconfig | grep eth

2. Note the hardware address /etc/sysconfig/nework-scripts/ifcfg-eth*.3. Edit the /etc/sysconfig/nework-scripts/ifcfg-eth* files to configure the standard Ethernet

interfaces that you use to communicate remotely with the system.

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eth* represents ETH4, ETH5, ETH6, and so on. Ensure that you do not change the preconfigured 10Gstatic interfaces (1.1.1.X or 2.2.2.X) because they are used for master and data node connectivity.

To set a static IP address, use the following table and replace the values with information that isspecific to your deployment. By default, the system has active DHCP ports. If DHCP is used, no IPaddress configuration is required.

Table 14. IP address configuration

Setting Value

DEVICE ETH0

HWADDR 34:40:B5:A3:9F:F7

BOOTPROTO Static

GATEWAY 23.30.187.174

IPADDR 23.30.187.169

NETMASK 255.255.255.240

NM_CONTROLLED Yes

ONBOOT Yes

4. Provide fiber 10G connections by using the Interface 0 ports that are shown in the diagram above.

Important: Ensure that there is traffic over the connections. To capture traffic, you must use a Tap orSPAN (mirror) port. When you use a SPAN port on a switch, if the switch assigns a lower priority to theSPAN port, some packets might be dropped.

5. Restart the system, and log in by using the following credentials:

User: continuum

Password: [email protected]. After you are logged in, open a terminal session and type #ifconfig -a.

Record the IP address for the connected Ethernet port.

Note: For information about setting a static IP address, see the IBM QRadar Packet Capture UserGuide.

7. Test the connection by pinging the internal network, or by remote login via SSH on port 4477.

Important: To configure a clustered environment, you must first connect the master and data nodesystems together.

Changing the operating system account passwordAfter you set up the appliance, change the default operating system password for IBM QRadar PacketCapture.

You must be root user to change the operating system account.

The QRadar Packet Capture passwords are independent of the operating system passwords.

Procedure

1. Use SSH and port 4477 to log in as the root user.

The default password for the root user is [email protected]. To change the passwords for the root user account, use the passwd command.

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Connecting the master and data nodes in a clustered packet captureenvironment

To configure a clustered environment, use a fiber optic cable to connect the QRadar Packet Capture DataNode appliances to the master packet capture device. If you have only a standalone packet capturesystem, this step is not required.

Before you beginEnsure that you have a successful network connection to the master packet capture device.

About this task

Use the following hardware diagram to help you configure a clustered packet capture environment byusing a Dell PowerEdge R730 packet capture device and QRadar Packet Capture Data Node.

Procedure

1. On the back of the packet capture device, connect the left cluster-interface port on the master to theleft cluster-interface port on the first data node.

2. If you are connecting a second data node, connect the right cluster-interface port on the master to theright cluster-interface port on the second data node.

3. Open a terminal session on the master system and check the connections with a ping test.

ping 1.1.1.2 ping 2.2.2.2

4. If you do not receive a response from the ping test, swap the cable connections on only the data nodeinterfaces.

• If only one data node is attached, only one ping must respond successfully.• After you switch the cables, if you do not get a response from the ping test, switch the cables on the

data node NIC to the second optical Ethernet NIC (if installed). Repeat the ping test.

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