Entries by Web Master

Initial IPv4 IPAM Configuration

Initial IPv4 IPAM Configuration Step 1. Define your IPv4 Address Space. Very first step in setting up your Nectus IPAM is to define your IPv4 Address Space. Address Space is list of major subnets that represent all your address space that you planning to use for IP address allocation. Good examples of subnets that you […]

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SNMP Device Status Color Codes

SNMP Device Status Color Codes Nectus uses different colors to encode SNMP Device Status in Dashboards, Trees and Status Panels. There are three main color codes: Green, Red and Orange. Green Color represent SNMP Device status when it is reachable by ICMP Probe and don’t have any critical interfaces Down. Red Color represent SNMP Device […]

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How to collect Interface-VLAN membership info from Cisco Switch via SNMP (CISCO-VLAN-MEMBERSHIP-MIB)

How to collect Interface-VLAN membership info from Cisco Switch via SNMP (CISCO-VLAN-MEMBERSHIP-MIB)   CISCO-VLAN-MEMBERSHIP-MIB contain several usefull OIDs for collecting Interface VLAN membership information from Cisco Swithes 1.3.6.1.4.1.9.9.68.1.2.2.1.1 (vmVlanType) 1.3.6.1.4.1.9.9.68.1.2.2.1.2 (vmVlan) 1.3.6.1.4.1.9.9.68.1.2.2.1.3 (vmPortStatus) 1.3.6.1.4.1.9.9.68.1.2.2.1.4 (vmVlans) 1.3.6.1.4.1.9.9.68.1.2.2.1.5 (vmVlans2k) 1.3.6.1.4.1.9.9.68.1.2.2.1.6 (vmVlans3k) 1.3.6.1.4.1.9.9.68.1.2.2.1.7 (vmVlans4k)   Lets see what our LAB switch reports on these for Interface with ifIndex […]

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How to collect list of VLANs from Cisco Switch via SNMP (CISCO-VTP-MIB)

How to collect list of VLANs from Cisco Switch via SNMP (CISCO-VTP-MIB) CISCO-VTP-MIB contain several useful OID for collecting VLAN information from Cisco Switches   1.    1.3.6.1.4.1.9.9.46.1.3.1.1.1 (vtpVlanIndex) 2.    1.3.6.1.4.1.9.9.46.1.3.1.1.2 (vtpVlanState) 3.    1.3.6.1.4.1.9.9.46.1.3.1.1.3 (vtpVlanType) 4.    1.3.6.1.4.1.9.9.46.1.3.1.1.4 (vtpVlanName) 5.    1.3.6.1.4.1.9.9.46.1.3.1.1.5 (vtpVlanMtu) 6.    1.3.6.1.4.1.9.9.46.1.3.1.1.6 (vtpVlanDot10Said) 7.    1.3.6.1.4.1.9.9.46.1.3.1.1.7 (vtpVlanRingNumber) 8.    […]

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How to collect list of MAC addresses from Cisco Switch via SNMP (dot1dTpFdbEntry)

How to collect list of MAC addresses from Cisco Switch via SNMP (dot1dTpFdbEntry) One of the ways to get list of MAC addresses from the forwarding table of Cisco switch is via SNMP MIB: dot1dTpFdbEntry This MIB branch contain three OIDs: 1.3.6.1.2.1.17.4.3.1.1 (dot1dTpFdbAddress) 1.3.6.1.2.1.17.4.3.1.2 (dot1dTpFdbPort) 1.3.6.1.2.1.17.4.3.1.3 (dot1dTpFdbStatus) 1.3.6.1.2.1.17.4.3.1.1 (dot1dTpFdbAddress) contain list of MAC addresses in […]

WMI System Variables for Email Alerts

This is the list of WMI System Variables that  can be used in Email and SMS Alerts “%metric_name%” “%metric_value%” “%process_name%” “%service_name%” “%unit_name%” “%wmi_server_ipv4%” “%wmi_server_hostname%” “%wmi_server_group%” “%device_name%” “%device_id%” “%filter_name%” “%event_log_file%” “%event_type_name%” “%event_text%” “%event_source%” “%event_id%” “%event_category%” “%current_time%” “%time%”

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Manual Network Discovery Operation

Manual Network Discovery Operation Starting from Version 1.2.49 Nectus implements new and enhanced user interface for manually starting and stopping of Network Discovery. To manually start network discovery, go to Tools → Manual Discovery Start Where you will be presented with two options: Full Discovery and Partial Discovery Full Discovery will perform ICMP/SNMP Scan on […]

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Monitoring Windows Server Storage Utilization with Nectus

Monitoring Windows Server Storage Utilization with Nectus In this chapter, you’ll learn how to use WMI to monitor Windows Server Storage Utilization. Nectus lets you create Profiles that specify which Servers to monitor with WMI and to send Alerts related to them. It also provides graphs of Server Utilization over time. The specific topics we […]

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List of system variables that can be used in Alert emails for SNMP Devices and Interfaces

List of system variables that can be used in Alert emails for SNMP Devices and Interfaces  (Version 2.48,  January 2019). More system variables will be in next releases.   Device Hostname:                %dev_hostname% Device IPv4 Address:          %dev_ipv4_address% Device IPv6 Address:          %dev_ipv6_address% […]

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How to Configure Nectus Syslog Collector to use Local Storage

How to Configure Nectus Syslog Collector to use Local Storage To configure Nectus Syslog collector storage settings go to Main Menu Settings → General Settings → Syslog Settings Configure Storage parameters according to this example: “Syslog Remote Server DB Root Password” should be taken from this file: C:\Program Files\Nectus\Web\Apache24\htdocs\protected\config\database.ini After Configuration is finished press “Test […]

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How to Configure Nectus NetFlow Collector to use Local Storage

How to Configure Nectus NetFlow Collector to use Local Storage To configure Nectus Netflow collector storage settings go to Main Menu Settings → General Settings → NetFlow Integration Configure Storage parameters according to this example: “NetFlow Remote Server DB Root Password” should be taken from this file: C:\Program Files\Nectus\Web\Apache24\htdocs\protected\config\database.ini After Configuration is finished press “Test […]

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Monitoring DHCP Scope Utilization on Windows DHCP Servers with Nectus

Monitoring Scope Utilization on Windows DHCP Servers with Nectus In this chapter, you’ll learn how to use Nectus to enable and configure DHCP Scopes utilization monitoring on Windows DHCP Servers. Nectus allows network engineers proactively monitor amount of free IP addresses in DHCP scopes and generate E-mail or Text alerts when number of free IP […]

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Importing subnets to IPAM from IGP routing protocols

Importing subnets to IPAM from IGP routing protocols Most existing IPAM tools require manual subnet configuration, which is by far the most time-consuming step in IPAM deployment. Nectus offers unique automated features that make the initial configuration fast and easy. One such feature is an automatic import of subnets from the IGP routing protocols like […]

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Management Interface Selection for Network Devices

Management Interface Selection for Network Devices In this chapter, you’ll learn how Nectus selects Management Interfaces for Devices that are found during Discovery phase. Nectus will automatically select Management Interfaces using its own default logic. It also supports user-defined selection for cases where this is appropriate. The specific topics we will cover in this chapter […]

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Cisco SNMP v3 Configuration Example for IOS Devices

This is basic configuration example of the SNMPv3 on IOS device. This enables SNMP v3 with following parameters: Authentication Protocol: MD5 Authentication Username: vconsole Authentication  Password: nectus Privacy (Encryption) Protocol: AES-256 Privacy (Encryption) Password: nectus Configuration Example ==================== snmp-server group NECTUS_V3_GROUP v3 auth read TESTv3 snmp-server view TESTv3 mib-2 included snmp-server user vconsole NECTUS_V3_GROUP v3 […]