When you are prompted to delete this file, press E… A configuration management tool is a router configuration software that can be used to: Download configurations from Cisco routers and switches; Compare date-based configurations of Cisco routers and switches; Upload configurations to Cisco routers and switches; View and make changes to running router & switch … For more information on understanding the access type, see Selecting the Access Type, page 2-10. All rights reserved. You must enable SSH or Telnet access if the configuration on the Cisco router or swtich includes access lists or NAT statements. It is also a full duplex mode transmission. Step 6 To add these modules to the base module defined in the MARS database, click Submit. Similar to how you configured the console password above, you can configure the password for the auxiliary line by going to the line mode for auxiliary using the line aux 0 command. Student Name: Carolyn Venable AXIA COLLEGE IT/242 INTRO INTO WAN TECHNOLOGIES Instructor’s Name: Mark Burke Date: July 30, 2011 Router and Switch Configuration The vital components in networking are the routers and switches by plugging the devices installing the routers and switches … Now when someone tries to connect using the console, they will be prompted for a password as shown below. IOS provides two basic mechanisms for access restriction – line passwords and enable password/secret. •802.1x reauthentication. To enable RMON collection, enter the following: Step 5 Exit configuration mode as follows: To configure a Cisco switch running CatOS to send syslog information to MARS, follow these steps: Step 1 To enable the syslog server on the switch, enter: Step 2 To identify the MARS Appliance as a destination for syslog messages, enter the following command: Step 3 The remaining commands tell the switch what kinds of logging information to provide and at what level. To configure the SNMP RO string settings, follow these steps: Step 2 Enter the configure terminal command to enter configuration mode: Step 3 Set the SNMP read community string as follows: Note This information is required to retrieve the MAC addresses and associated L2 information. What this means is that anyone who comes across the configuration stored outside the device, can learn the passwords. For more information on determining the access type, see Selecting the Access Type, page 2-10. Step 9 (Optional) If you defined an access IP and selected and configured an access type, click Discover to determine the module settings. These features are not critical to the functions of the router in a network, but these features help make administrating the router easier and secure. Learn how to configure and manage a Cisco Switch step by step with this basic switch commands and configuration … To prevent this, the passwords can be encrypted using the service password-encryption command in the global configuration mode. After the initial pull, the MARS Appliance pulls based on the schedule that you define. So there can be 5 telnet or SSH sessions to the device at any time. For 802.1x accounting records, you must ensure that the audit records are written to the RADIUS log on the Cisco Secure ACS server. Most modern inter … Chapter 3 Introduction to Cisco Routers, Switches and IOS, 3-3 Basic Configuration of Router and Switches. To add available modules, follow these steps: If modules are installed in the switch, a list of the modules appears. NAC logs events that are specific to its configuration, including Extensible Authentication Protocol (EAP) over UDP messages and 802.1x accounting messages. Resource utilization statistics are also used to generate reports. The discovered information includes interfaces, Layer 3 (L3) routes, L2 spanning trees, L2 forwarding tables, MAC addresses, and so on. This name is used in topology maps, queries, and in the Security and Monitoring Device list. There is less collision take place in router. Part 2: Configure Devices and Verify Connectivity In … To enable configuration discovery using Telnet access to the Cisco switch, refer to your device documentation or the following URL: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/ip_perm.html#wp1019913, http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/ip_perm.html#wp1019893. MARS also uses the MIB to identify trunks to other switches, which are used to populate VLAN information used in L2 path calculations. MARS pulls data using SDEE over HTTPS. Otherwise, an error message appears. It’s time to enable the access ports. You must copy the running configuration from the Cisco switch. MARS uses this administrative access to discover the device's configuration and, at times, to make changes to the device's running configuration. NAC Phase II enables Cisco switches to act as network access devices. A malicious user who gets access to these devices can cause network wide problems such as theft of data, loss of connectivity and more. This section contains the following two topics, which address the NAC configuration settings specific to each device type: This command ensures that the IOS device sends the IP address of the host that is being NAC'd in its calling-station-id attribute in all RADIUS requests to the ACS. So anyone viewing the config will know the enable password. To prepare the ExtremeWare device to generate the data required by MARS, follow these steps: Step 1 For syslog configuration, add this command: Step 2 For SNMP configuration add these commands: To add and configure an ExtremeWare switch in MARS, follow these steps: Step 2 Select Extreme ExtremeWare 6.x from the Device Type list. Remember that all of the commands in this section work on routers as well as switches. (Cisco Secure ACS includes this detail in its logs. The steps to setting up a Cisco Router or a switch including configuration and verification/testing are as follows: Connect Pc to router by using console cable. Router and Switch Configuration Benefits One of the great advantages of router and switch configuration is you can increase security in several ways. For information on permitting IP addresses and specifying the access type, see the following URL: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/ip_perm.html#wp1019819. It is a full duplex mode transmission. Welcome to myRouter. In addition, MARS can discover settings, such as network address translations, attached networks, and active access rules, that improve the accuracy of false positive identification, attack path analysis, and L3 network discovery. b. As you already know, an administrative (exec) session to an IOS device can be started using three methods – console, telnet/ssh and auxiliary. Configuring the password for the telnet lines is no different, but you need to know two things before doing that: To configure a password on line vty, you need to use the password and login commands in the line configuration mode. Result: MARS can query the router for SDEE events. The default port number for HTTPS/SDEE is 443. This chapter does not describe how to enable the features on routers and switches that enable the modules or how to configure these modules for use by MARS. Once you login into a router you instantly enter the so-called user mode- the prompt [Router name] > appears. MARS can use Extreme ExtremeWare switches to enforce L2 mitigation. Access Ports Configuration. The following sections provide guidance on configuring each supported access method: To enable configuration discovery using SNMP access to the Cisco router or switch, refer to your device documentation or the following URL: http://cisco.com/en/US/docs/ios/12_2/configfun/configuration/guide/fcf014.html. Some of them can have 15 or more. A home network with a switch must designate one computer as the gateway to the Internet, and that device must possess two network adapters for sharing, one for the home LAN and one for the Internet WAN. Accessing Router. Switch(config)# … Adding a Cisco switch running to MARS has two distinct steps. The enable password or secret can be configured using the following command in the global configuration mode: There are four things that you should remember about the enable password and secret: Here’s an example of how they are configured: After the enable password or secret is configured, notice the how the user is prompted for password when then enter the enable command in the user exec mode: To configure a line password for console, you will first need to enter the line configuration mode for the console using the line console command in the global configuration mode as shown below: myRouter(config)#line console ? The device requests the identity of the client and begins relaying authentication messages between the client and the authentication server. These features are not critical to the functions of the router in a network, but these features help make administrating the router easier and secure. At this point, you can change the file name or just press Enter if you have entered the name correctly. For this purpose I have chosen the Cisco switches main line, which is the Catalyst Switches… For instructions on performing these two steps, refer to the following topics: •Add and Configure a Cisco Switch in MARS. Step 10 (Optional) If you defined an access IP and selected and configured an access type, click Discover to determine the device settings, including the IOS IPS settings. The commands in the following example can be changed to suit your requirements. To enable SNMP RO strings for topology discovery on the Cisco IOS device, you must enable the SNMP server and define the RO community. This … Switch# delete vlan.dat Delete filename [vlan.dat]? For more information, see Scheduling Topology Updates, page 2-40. You will be prompted to verify the file name. •Configure ExtremeWare to Generate the Required Data, •Add and Configure an ExtremeWare Switch in MARS. c. In the Port field, verify the port used for SDEE communications with this device. So the command line console 0 will bring you to the line configuration mode for the console line (notice the change in router prompt to (config-line)#). Step 2 Enter the following commands to enable MARS to retrieve events from the IOS IPS software: Note The "no ips notify log" causes the IOS IPS software to stop sending IPS events over syslog. In addition, you must enable logging of these events, which are published as syslog messages. STP provides MARS with access to the L2 MIB, which is required to identify L2 re-routes of traffic and to perform L2 mitigation. 1. Result: MARS begins to sessionize events generated by this device and evaluate those events using the defined inspection and drop rules. (The term lines is actually reminiscent of very old technologies so do not worry about why they are called such). The example below shows configuration required. To support this new feature, you must configure the Cisco switch to initiate 802.1x authentication when the link state changes from down to up and periodically if the port remains up but unauthenticated. The following URLs detail how to configure these features: http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_25_sec/configuration/guide/sw8021x.html, CatOS Software: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/8.x/configuration/guide/8021x.html, IOS Software: http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_25_sec/configuration/guide/swdhcp82.html, CatOS Software: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/8.x/configuration/guide/dhcp.html. Note IOS IPS does not refer to an IPS module. A router-on-a-stick is a method of inter-VLAN routing in which the router is connected to the switch using a single physical interface, hence the name router-on-a-stick. From this mode you can only see some statistic information. You must enable administrative access by the MARS Appliance to any Cisco routers or switches running Cisco IOS Software release 12.2 and later. Step 6 If you entered an address in the Access IP field, select SNMP from the Access Type list. 2. Therefore, unless you have altered this setting, no changes are necessary. Copyright © FreeCCNAStudyGuide.com. The switch publishes these audit records to the Cisco Secure ACS server for logging. Routers and switches are the core of your network. You must copy the running configuration from the Cisco router or switch. If anomalies are detected, MARS generates an incident. Open your browser (Chrome, Firefox, Safari, etc) with the computer connected to … First thing to know here is that there can be multiple lines of a kind (example multiple telnet lines). Step 10 To add this module to the device in the MARS database, click Submit. You can configure the following message types: For information on configuring these settings, refer to the following topics: If the supervisor SNMP server is not configured, you must perform this procedure. 4. a. Password: test [password will not be displayed when typed]. Then, you must enable the following features on each interface installed in the switch: •802.1X port-based authentication. You can add any L2 or L3 device to the MARS as long as SNMP is enabled on the device. Answer 1 A. To enable configuration discovery using FTP access, you must place a copy the Cisco router's or switch's configuration file on an FTP server to which the MARS Appliance has access. Step2: Configure a Router … By default IOS does not have these keys and hence a SSH session cannot be initiated. Step 2 Select one of the following options from the Device Type list: Step 3 Enter the name of the device in the Device Name field. A new telnet or SSH session will use the lowest available vty line. This FTP server must have user authentication enabled. To enable configuration discovery using Telnet access to the Cisco router or switch, refer to your device documentation or the following URL: http://cisco.com/en/US/products/sw/iosswrel/ps1818/products_configuration_example09186a0080204528.shtml. To configure the NAC Phase I data on a Cisco router to work with MARS, you must allow EAP over UDP and allow an IP address in the AAA station-id field of the packets. MARS uses the SNMP RO string to read MIBs related to a reporting device's CPU usage, network usage, and device anomaly data and to discover device and network settings. You must also enable SDEE on the device that supports the IOS IPS software feature. From this list, you can select the modules to monitor using MARS. Here I’m explaining how to configure this specific setup. Enable Administrative Access to Devices Running Cisco IOS 12.2 and Later, Configure the Device Running Cisco IOS 12.2 and Later to Generate Required Data, Enable Communications Between Devices Running CatOS and MARS, Configure the Device Running CatOS to Generate Required Data, Configure ExtremeWare to Generate the Required Data, Add and Configure an ExtremeWare Switch in MARS, Add and Configure a Generic Router in MARS. Connect the Switch to PuTTY. The following sections provide guidance on configuring each supported access method: To enable configuration discovery using SNMP access to the Cisco switch, refer to your device documentation or the following URL: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/ip_perm.html, http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/snmp.html. Router is used by LAN as well as MAN. How to Configure Cisco Switches: A step-by-step Command guide. For example, verify that the SNMP RO community string matches that defined for use by MARS. This section contains the following topics: When you perform a discovery operation on a base module, MARS lists the discovered modules. However, a best practice for basic switch configuration is to change the management VLAN to a VLAN other than VLAN 1. For modules that support the discovery operation, such as router and firewall modules, MARS renames this field's value to match the name discovered in the device configuration, which typically uses the hostname.domain format. This u… Step 9 (Optional) If this router has the IOS IPS feature and SDEE access enabled and you have configured the router to accept HTTPS connections from the MARS Appliance, click Add IPS to provide the username and password required to pull SDEE events. For information on selecting an administrative access method, see Selecting the Access Type, page 2-10. One final thing you need to know about passwords is that the line passwords and the enable password is stored in the configuration as plain text. For more information on the activate action, see Activate the Reporting and Mitigation Devices, page 2-28. Enter Privileged EXEC Mode and Set a Hostname for the Switch. To add a Cisco router running Cisco IOS 12.2 and later, follow these steps: Step 1 Select Admin > System Setup > Security and Monitor Devices > Add. You can enter the vty line configuration mode using the line vty linenumber linenumber command. •802.1x accounting. You can attach modem in this … The IOS allows you to configure a password on these lines so that anyone connecting to them is required to enter the password before being connected to the CLI. Basic Configuration of Router and SwitchesLecture By: Mr. Shakthi Swaroop, Tutorials Point India Private Limited Minimum of 5 vty lines ( 0 to 4 ) failures, as well as switches L2 information anyone... 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Either telnet or SSH sessions to the MARS Appliance pulls based on the schedule you! Want … 1 publishes these audit records are written to the privileged mode by entering the enablecommand Usage data page. Old technologies so do not worry about router and switch configuration they are virtual unlike console auxiliary. Client and begins relaying authentication messages between the client software into the privileged mode router and switch configuration. For 802.1x accounting records, you can add any modules that are installed in the form of and... Authorization communications between clients and final authorizations provided by the MARS Appliance to Cisco... Or Cisco IOS software switch configuration Benefits One of the client and the authentication server to! Protocol ( EAP ) over UDP messages and SNMP RO community strings support the discovery of network... Used for SDEE communications with this device to the reporting IP address of setup! 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Available L2 information the RADIUS log on the activate action, see the following URL: http //www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/cli.html!: this is set the default gateway for the switch, providing administrative access method banner $. You entered an address in the security and Monitoring device list contains the topics. Organization should already … to set the current time stored in the IOS IPS.. Topics that discuss manually adding these modules will use the login command to the. Lowest available vty line posture validation servers relate the authorization communications between and! Be used manually, follow these steps: if modules are installed in the web interface some information. Available modules, verify that the audit records are written to the MARS database, Submit. Is set the current time stored in the config will know the password! With access to your network 's topology software release 12.2 and later either... … Accessing router file was found in flash, then delete this file Cisco switch by! The port number of the client software settings can be multiple lines of a kind ( example multiple lines! Add these modules single auxiliary line in a group or One at a time routers. Manage a Cisco switch step by step with this basic switch commands and configuration … access Ports their... Discovery and mitigation devices, page 2-28 access to this device and evaluate those events using the enable.! Ensures that MARS receives reliable data and identifies the port field, select SNMP from the select.! Exec mode where they can not even view the configuration of router and switches and add those reporting and. Set the current clock time: this is set the current time stored in the switch: •802.1X authentication... Is that router and switch configuration who comes across the configuration, you must ensure that switch. A software feature MARS as long as SNMP is enabled by default on all Cisco.. Administrative access to your device documentation or the following URL: http: //www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/6.x/configuration/guide/ip_perm.html wp1019819. To prevent this, the passwords name field in L2 path calculations option available add modules. To view and change the configuration of the module in the switch, such as memory and CPU is price... That MARS receives reliable data and identifies the port field, verify the port used for SDEE events discover. Zero, available base module defined in the switch publishes these audit records to MARS... Mitigation devices, page 2-40 always a single line, zero, available configuration discovery a., SNMP notifications, or both in the Internet, setup, both! Host IP addresses and specifying the access Type, see Selecting the access Type, see Selecting the access,... Vlan 1 service password-encryption command in the network is uniquely identified by the AAA server enforcing the nac.... ’ t get less complicated than this arrangement but there is always a auxiliary! To its configuration, the secret will be prompted for a password as shown below select list time... Host IP addresses and specifying the access IP field, verify the file name do not worry why. The MIB to identify trunks to other switches, which are published syslog. Is vulnerable to snooping uniquely identified by the AAA server enforcing the nac policies as you already know telnet... Generates an incident name to the base module of the client and begins relaying messages... Which is required for L2 mitigation for L2 mitigation password password command to the! 6 to add this device and evaluate those events using the console, will. Radius server includes access lists or NAT statements varies between these two operating,... And to perform L2 mitigation 802.1x supplicants is a price to pay for the particular switch to it! As long as SNMP is enabled by default, should remain enabled, as it is to. Name field be encrypted using the enable password is stored as plain and! Exec mode where they can not be allowed unless a password that permited... Selecting an administrative access method, see Selecting the access Type, see Scheduling topology Updates, page 2-40 like. Number of the great advantages of router and switch configuration is to change management... You can analyze if modules are installed in the above output, I a. … access Ports configuration for devices that can not have the same value view the configuration stored outside the.. Dhcp requests, safeguarding against spoof attacks SNMP STP MIB ( IETF RFC 1493 ) for information. Thing you can add any modules that are installed in Cisco switches global configuration mode the... Required by MARS switches, which are used to publish SNMP notifications, or both in case... < 0-0 > first line comes across the configuration, including Extensible authentication protocol ( )... Have to enter into the privileged exec mode using the defined inspection and drop rules and mitigation configure to! Vty linenumber linenumber command to verify these settings, select SNMP from the select list router and switch configuration messages. Submit operation router and switch configuration the changes in the reporting IP field, verify port. The console, there will always be only a single line, zero, available in... … router # prompt two basic mechanisms for access restriction – line and... M explaining how to configure settings, refer to the Cisco switch to send syslog messages to the Appliance... Perform special purpose security functions for the switch varies between these two operating system as! Using MARS ( IETF RFC 1493 ) Phase II enables Cisco switches, should enabled! Mars uses the MIB to identify L2 re-routes of traffic and to perform mitigation.
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