Network tester and configuration

Ip-address| host-name} auth-port port-numer acct-port port-number Example: Device(config-radius-server)# address ipv4 192.0.2.1 auth-port 1812 acct-port 1813 Configures the IPv4 address for the RADIUS server accounting and authentication parameters. Step 5 automate-tester username user [ ignore-auth-port] [ ignore-acct-port ] [ idle-time minutes] vrf vrf-name or automate-tester username user probe-on vrf vrf-name Example: Device(config-radius-server)# automate-tester username user1 idle-time 2 vrf VRF1 or Device(config-radius-server)# automate-tester username user1 probe-on vrf VRF1 Enables RADIUS automated testing for a non-default VRF. Step 6 end Example: Device(config-radius-server)# end Exits RADIUS server configuration mode and returns to privileged EXEC mode. Configuration Examples for RADIUS Server Load Balancing Example: Enabling Load Balancing for a Named RADIUS Server Group The following examples show load balancing enabled for a named RADIUS server group. These examples are shown in three parts: the current configuration of the RADIUS command output, debug output, and authentication, authorization, and accounting (AAA) server status information. The following sample output shows the relevant RADIUS configuration: Device# show running-config...aaa group server radius server-group1 server 192.0.2.238 auth-port 2095 acct-port 2096 server 192.0.2.238 auth-port 2015 acct-port 2016 load-balance method least-outstanding batch-size 5!aaa authentication ppp default group server-group1aaa accounting network default start-stop group server-group1...Device(config-sg-radius)# load-balance method least-outstanding batch-size 30 The lines in the current configuration of the preceding RADIUS command output are defined as follows: The aaa group server radius command shows the configuration of a server group with two member servers. The load-balance command enables load balancing for global RADIUS server groups with the batch size specified. The aaa authentication ppp command authenticates all PPP users using RADIUS. The aaa accounting command enables sending of all accounting requests to the AAA server when the client is authenticated and then disconnected using the start-stop keyword. The show debug sample output below shows the selection of the preferred server and the processing of requests for the preceding configuration: Device# show debug*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT(0000002C):No preferred server available.*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:Obtaining least loaded server.*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:No more transactions in batch. Obtaining a new server.*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:Obtaining a new least loaded server.*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:Server[0] load:0*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:Server[1] load:0*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:Selected Server[0] with load 0*Feb 28 13:51:16.019:AAA/SG/SERVER_SELECT:[5] transactions remaining

Key FeaturesComprehensive AutoTest validates and troubleshoots all aspects of network link connectivity and services including DHCP and DNSVerifies link speed/duplex for 10/100 Mbps and 1 Gbps, with detection of NBASE-T and Multigigabit 2.5G, 5G, and 10 Gbps linksEnables frontline technicians to quickly and thoroughly validate links, troubleshoot device connectivity, and document moves, adds, and changesDiscovers nearest connected switch name and port information via CDP/LLDP/EDP, including VLANs; monitors VLAN trunk trafficValidates Power over Ethernet switching and cabling up to 90W 802.3bt with TruePower loadingAdvanced twisted-pair cable tests for length, wiremap, and faults such as shorts, opens, mis-wires (split pairs, crossovers), fiber optic link signal strength power measurement and SFP diagnosticsLocate cable endpoints with optional WireView adapters and analog or digital tone generatorsUse optional USB Wi-Fi/Bluetooth adapter for connectivity and remote controlAutomate reporting and enable collaboration with test result uploads, management, and tester remote control via Link-Live analysis platformLinkRunner AT 3000 Testing ApplicationsAutoTest and Profiles – Comprehensive network link test validates all aspects of network connectivitySwitch Test – Identifies nearest connected switch and critical configuration informationCable Test – Validate cabling for proper termination, test for length, common miswires, and distance to faultPing/TCP Test – Verify connectivity to on or off-network devices, ensure TCP port availabilityReflector – Works with other NetAlly tools for network performance testingLink-Live – Collaboration, reporting, and analysis platform for easy logging, documenting, and reporting of test activitiesWi-Fi Connectivity Support – Requires optional USB adapter for on-the-go connectivityAdditional Tools and Diagnostics – Download apps from Link-Live app store to accomplish additional tasksThe NetAlly LRAT-3000 LinkRunner AT 3000 Network Tester is designed for frontline technicians who need fast and comprehensive validation of copper and fiber network links with powerful network connectivity troubleshooting. It features a large touchscreen and in-depth AutoTest that provides deeper network visibility. With tools designed to help with network changes and troubleshooting, this network tester’s quick cable test and switch identification functionality facilitates installation validation and fast problem isolation. Test results can be automatically uploaded to the Link-Live collaboration, reporting, and analysis platform to improve teamwork between network engineers and technicians, creating greater job visibility, better project control, and improved tester fleet management. Independent management plane via wired or Wi-Fi connection (with optional adapter) allows remote operation and result uploading independent of the network under test.AutoTest and Profiles – Comprehensive Network Link Test Validates All Aspects of Network ConnectivityAutoTest is the most comprehensive testing application on the LinkRunner

Timeout command. This will continue for 180 seconds, and if there is still no response, a new dead timer is started based on the configured radius-server deadtime command. VRF-Aware RADIUS Automated Testing The RADIUS automated tester function works at a server-level configuration. There is no group associated with the function. A VRF is a group level configuration. All the information related to the VRF and the source-interface configurations is maintained in a group structure. If information regarding the VRF and the source-interface configurations is available in the global source-interface, automated tester can access it. If the information is not available at the global source-interface or the default VRF, automated tester marks the server as a dead server. Starting with Cisco IOS XE Bengaluru 17.4.1, you can configure automated tester to be VRF aware. You can use the vrf keyword with the automate-tester command to enable automate-tester for a non-default VRF. Note For VRF aware automate-tester to work, you have to configure global config ipv4/ipv6 source interface interface-name vrf vrf-name command. How to Configure RADIUS Server Load Balancing Enabling Load Balancing for a Named RADIUS Server Group Procedure Command or Action Purpose Step 1 enable Example: Device> enable Enables privileged EXEC mode. Enter your password, if prompted. Step 2 configure terminal Example: Device# configure terminal Enters global configuration mode. Step 3 aaa group server radius group-name Example: Device(config)# aaa group server radius rad-sg Enters server group configuration mode. Step 4 server ip-address [auth-port port-number] [acct-port port-number] Example: Device(config-sg-radius)# server 192.0.2.238 auth-port

Shady23 Highly Voted 10 months, 2 weeks ago Selected Answer: A A. ActiveActive reconnaissance involves actively probing and scanning the target environment to gather information. This typically includes activities such as port and service scans, vulnerability scans, and other direct interactions with the target systems to identify potential weaknesses or entry points.Passive reconnaissance, on the other hand, involves gathering information without directly interacting with the target systems, such as monitoring network traffic or analyzing publicly available information.Options C and D, defensive and offensive reconnaissance, respectively, are not standard reconnaissance types typically used in the context of penetration testing. upvoted 17 times ... Selected Answer: A Interacting with the target systems, the reconnaissance type is active upvoted 1 times ... Selected Answer: A Active for sure :) upvoted 1 times ... Selected Answer: A Active reconnaissance involves directly interacting with the target systems to gather information. This type of reconnaissance is often more intrusive because it sends packets or requests to the target to elicit responses, allowing the tester to gather detailed information about the target's configuration and potential weaknesses.In this Scenario Application:Direct Interaction: By performing port and service scans, the tester is "actively" sending packets to the target systems to determine which ports are open and what services are running. This direct interaction is characteristic of active reconnaissance.Used for Detailed Information Gathering: Active reconnaissance allows the Pen tester to gather precise details about the target's network, such as identifying specific services, versions, and potential entry points for further testing.This is why it pertains and fits:The nature of port and service scanning, which involves direct communication with the target systems, is aligned with the concept of active reconnaissance. It aims to provide a clear understanding of the target's network infrastructure and potential vulnerabilities. upvoted 2 times ... Selected Answer: A Correct answer is A. Active Reconnaissance: Engaging with the target system directly, such as scanning for open ports using tools like Nmap. Passive Reconnaissance: Gathering information without direct engagement, like using open-sourceintelligence or WHOIS to collect data upvoted 1 times ... Selected Answer: A NMAP is an active scan. upvoted 3 times ... Yoez 10 months, 2 weeks ago Correct Answer: A upvoted 3 times ...

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Not sent to a server that is marked dead. A server is marked dead until its timer expires, at which time it moves to quarantine state. A server is in quarantine until it is verified alive by the RADIUS automated tester functionality. To determine if a server is alive and available to process transactions, the RADIUS automated tester sends a request periodically to the server for a test user ID. If the server returns an Access-Reject message, the server is alive; otherwise the server is either dead or quarantined. A transaction sent to an unresponsive server is failed over to the next available server before the unresponsive server is marked dead. We recommend that you use the retry reorder mode for failed transactions. When using the RADIUS automated tester, verify that the authentication, authorization, and accounting (AAA) servers are responding to the test packets that are sent by the network access server (NAS). If the servers are not configured correctly, packets may be dropped and the server erroneously marked dead. Caution We recommend that you use a test user that is not defined on the RADIUS server for the RADIUS server automated testing to protect against security issues that may arise if the test user is not correctly configured. Note Use the test aaa group command to check load-balancing transactions. The automate-tester username name probe-on command is used to verify the status of a server by sending RADIUS packets. After this command is configured, a five-second dead timer is started and a RADIUS packet is sent to the external RADIUS server after five seconds. The server state is updated if there is a response from the external RADIUS server. If there is no response, the packets are sent out according to the timeout interval that is configured using the radius-server timeout command. This will continue for 180 seconds, and if there is still no response, a new dead timer is started based on the configured radius-server deadtime command. VRF-Aware RADIUS Automated Testing The RADIUS automated tester function works at a server-level configuration. There is no group associated with the function.