Installing Network Sensor
Prepare the Environment
Note
Note
Even if you use the Cloud version, the Network Sensor must be installed inside your internal network.
Prepare Network Connectivity
Genian Network Sensor requires network connectivity with one or more static IP addresses.
The sensor must monitor broadcast packets (ARP, DHCP, UPnP, etc.) on the network and be connected to all segments (broadcast domains) you plan to manage.
If you are using VLAN-capable switches, you can set up an 802.1Q trunk port to monitor multiple networks via a single physical interface.
When installing the Network Sensor in a virtual environment, the VM (sensor) must be able to directly communicate with all segments you want to monitor and control.
Note
When using a virtual machine, set the network interface type to Bridge mode.
To collect wireless LAN information, install a compatible wireless network adapter on the sensor. See the document below.
Access Port
When monitoring a single network via a switch Access Port, no additional switch configuration is required. If the system has more than one NIC, you can monitor multiple segments through multiple Access Ports.
Trunk Port
To monitor multiple VLANs from a single interface, configure the switch port as a Trunk Port using the 802.1Q protocol. Below are examples of configuring Trunk Port (802.1Q) on Cisco and HP switches.
Cisco Switch example
Cisco(config)#interface gi1/0/48
Cisco(config-if)#switchport trunk encapsulation dot1q
Cisco(config-if)#switchport mode trunk
HP Switch example (create Port 48 as a tagged interface)
Procurve(config)#vlan 100
Procurve(config)#tagged 48
Procurve(config)#vlan 200
Procurve(config)#tagged 48
Install the Network Sensor
Step 1: Switch from Ubuntu user to root
genian@genian:~$ sudo su
[sudo] password for genian:
root@genian:/home/genian#
Step 2: Update and upgrade packages
root@genian:/home/genian# apt-get update
root@genian:/home/genian# apt-get upgrade
Step 3: Install curl (required for install)
root@genian:/home/genian# apt install curl
Step 4: Install the Network Sensor with the following command
curl -sSLk https://bit.ly/4fX6bQ8 | sudo PROMPT=1 SSHALLALLOW=1 SSHPORT=22 TARGET=GNS DEB=ztna LOCALE=en bash -
Configure the Network Sensor
Step 1: Access Ubuntu and gnlogin
After installation, access Ubuntu and gnlogin to perform initial setup.
genian@genian:~$ sudo su
[sudo] password for genian:
root@genian:/home/genian#
# Gain root privileges
root@genian:/home/genian# gnlogin
# Enter Genian Shell
Note
You must have root privileges to apply interface settings properly.
Step 2: Configure the Network Sensor
Enter global configuration mode with the enable command.
Enter configuration mode with the configure terminal command.
Set the interface IP address and subnet mask.
Set the interface default gateway.
Set the device default gateway.
Set the device DNS server.
Configure the Policy Server information by IP or Hostname.
genian> enable
Password: (For the enable password, contact Technical Support)
genian# configure terminal
genian(config)# interface [interface name] address [IP] [Subnet Mask]
genian(config)# interface [interface name] gateway [IP]
genian(config)# ip default-gateway [IP]
genian(config)# ip name-server [IP]
genian(config)# node-server IP [IP]
genian(config)# node-server Host [Hostname]
# If you configured interfaces during Ubuntu installation, some IP settings may already exist.
Note
For configuring VLAN interfaces on a trunk interface, see Adding and Deleting Network Sensors.
Unsupported Hardware
If installation does not proceed normally, contact your partner engineer or Technical Support.
Note
In virtual environments, if the storage device or network interface is not recognized, change the storage type to SATA or change the network interface driver to an Intel family such as E1000.