Verification Commands: TestSwitch#show version [Displays software and hardware information] TestSwitch#show running-config However, use the following procedure to give a PoE port higher priority, to make it data only, or to specify a maximum wattage to disallow high-power powered devices on a port. An EtherChannel port group acts as a single logical port for high-bandwidth connections between switches or between switches and servers. show interfaces [ interface-id ] switchport. Set password to access the privileged mode (the # sign next to device name), and create a user account with password for remote connection. When using the interface range global configuration command, note these guidelines: – vlan vlan-ID, where the VLAN ID is 1 to 4094. Cisco ASA Firewall Commands Cheat Sheet. Broadcast, multicast, and unicast storm control. In the switch, port is configured like this: A false link-up can occur, placing the port into an error-disabled state. The range for each de vice is 4000 to 15400 milliwatts on a Catalyst 2960 switch, and 4000 to 30000 milliwatts on a Catalyst 2960-S switch. An 802.1Q trunk port supports simultaneous tagged and untagged traffic. An EtherChannel balances the traffic load across the links in the channel. Verification Commands: TestSwitch#show version [Displays software and hardware information] TestSwitch#show running-config For information about configuring speed and duplex settings for a dual-purpose uplink, see the “Setting the Interface Speed and Duplex Parameters” section. default is 15400 milliwatts on a Catalyst 2960 switch, and 30000 milliwatts on a Catalyst 2960-S switch. I am getting a duplex mismatch between a Cisco 2960 TT-L Switch running IOS 12.2(35) LAN Base Image (Gig0/1) and a Cisco 6506 Switch running IOS 12.2(33)SXH Adv IP Services (Gig2/19). interface GigabitEthernet 0/1 You can also configure the switch to boot from the USB flash drive. Clears the statistics for the Ethernet management port. Beginning in privileged EXEC mode, follow these steps to select which dual-purpose uplink to activate so that you can set the speed and duplex. Cisco recommends to leave auto-negotiation on for those devices compliant with 802.3u. This example shows how to set the interface speed to 10 Mb/s and the duplex mode to half on a 10/100 Mb/s port: This example shows how to set the interface speed to 100 Mb/s on a 10/100/1000 Mb/s port: Flow control enables connected Ethernet ports to control traffic rates during congestion by allowing congested nodes to pause link operation at the other end. Because the switch supports internal power supplies and the Cisco Redundant Power System 2300 (also referred to as the RPS 2300), the total amount of power available for the powered devices varies depending on the power supply configuration. When you manually set the maximum power allocation, you must consider the power loss over the cable from the switch port to the powered device. Note Catalyst 2960-S switches do not have dual-purpose uplink ports. The actual amount of power consumed by a powered device on a PoE port is the cutoff-power value plus a calibration factor of 500 mW (0.5 W). This example configures the switch to boot from the Catalyst 2960-S flash device. The module keyword is applicable only on Catalyst 2960-S switches running the LAN base image. In all other situations, the switch selects the active link based on which type first links up. interface FastEthernet0/10 ! That is the "sh sdm prefer" command. The solution of a similar problem in the organization of several Vlan using this switch is shown in this article. The Catalyst 2960-S switch has two USB ports on the front panel: The switch has two console ports available—a USB mini-Type B console connection and an RJ-45 console port. Ever so often, you need to check the status of a the power supplies in a switch or router. The Cisco 100BASE-FX Small Form-Factor Pluggable (SFP) Fast Ethernet Interface Converter (GLC-GE-100FX=) is a hot-swappable device that plugs into a Gigabit Ethernet SFP port on Cisco switches. Every switch always first displays the RJ-45 media type. Many performance-related support calls are avoided if you correctly configure auto-negotiation. Beginning in privileged EXEC mode, follow these steps to configure a power management mode on a PoE-capable port: Specify the physical port to be configured, and enter interface configuration mode. You need to have IOS 12.2(55)SE or … Configure the console. Use the channel-group interface configuration command to dynamically create the port-channel logical interface. A switch virtual interface (SVI) represents a VLAN of switch ports as one interface to the routing or bridging function in the system. These commands are fully described in the Cisco IOS Interface Command Reference, Release 12.2 from the page under Documentation > Cisco IOS Software > 12.2 Mainline > Command References. Chapter Title. Thanks, If you like this tutorial please share this article to your friends in FB , Twitter , Configure the flow control mode for the port. If you configure auto-select, you cannot configure the speed and duplex interface configuration commands. Most protocols operate over either single ports or aggregated switch ports and do not recognize the physical ports within the port group. Beginning in privileged EXEC mode, follow these steps to set the speed and duplex mode for a physical interface: Specify the physical interface to be configured, and enter interface configuration mode. These methods should work on most Cisco … line vty 0 4 Would you like to enter the initial configuration dialog? To disable auto-MDIX, use the no mdix auto interface configuration command. Enter the telnet access password for the Cisco 2960 when requested, and then tap the "Enter" key. The description appears in the output of these privileged EXEC commands: show configuration , show running-config , and show interfaces . e switch configures both types to autonegotiate speed and duplex (the default). The default is 15400 milliwatts on a Catalyst 2960 switch, and 30000 milliwatts on a Catalyst 2960-S switch. Disabled on all Ethernet ports. Each FlexStack connection provides a 10Gbps full duplex connection between two members, which gives each member 20Gbps of stack bandwidth. Note When installed in Catalyst 2960 switches, 1000BASE-T SFP modules can operate at 10, 100, or 1000 Mb/s in full-duplex mode or at 10 or 100 Mb/s in half-duplex mode. copy tftp:/ source-file-url filesystem :/ destination-file-url. The default setting for both duplex and speed for switch ports on Cisco Catalyst 2960 and 3560 switches is auto. To configure VLANs, use the vlan vlan-id global configuration command to enter VLAN configuration mode. You can configure the switch to police the power usage. Cisco 2611XM running Cisco … Note When a powered device connected to a PoE+ port restarts and sends a CDP or LLDP packet with a power TLV, the switch locks to the power-negotiation protocol of that first packet and does not respond to power requests from the other protocol. Routing on a Cisco 2960 Catalyst Switch! The switch provides power to the connected devices on the port if the device needs up to 6.3 W. If the CDP-power negotiated value or the IEEE classification value exceeds the configured cutoff value, the switch does not provide power to the connected device. Sends ICMP ECHO_REQUEST packets to the specified network host. Show the defined interface range macro configuration. If your Class 0 device power requirement is actually 5000 milliwatts, you can set the consumption wattage to 5000 milliwatts and connect up to 48 devices. Cisco 2960-S Stacking Benefits. Use the first or second method in the previous list to manually configure the cutoff-power value by entering the power inline consumption default wattage or the power inline [ auto | static max ] max-wattage command. You cannot delete VLAN 1. Note When you use the interface range command with port channels, the first and last port-channel number must be active port channels. Note Only Catalyst 2960 switches have dual-purpose uplinks ports. Step 3 Follow each interface command with the configuration commands that the interface requires. is subnetted, 2 subnets Which three statements accurately describe duplex and speed settings on Cisco 2960 switches? EtherChannel port groups treat multiple switch ports as one switch port. (Optional) Display interface status or a list of interfaces in an error-disabled state. For more information, see the “Dual-Purpose Uplink Ports” section. The keywords have these meanings: For information about setting the speed and duplex, see the “Speed and Duplex Configuration Guidelines” section. This does not apply to third-party PoE devices. Confronta prezzi e caratteristiche tecniche di Cisco Catalyst WS-C2960X-48TS-LL Managed L2. Automatically when the switch sets the power usage of the device by using CDP power negotiation or by the IEEE classification and LLDP power negotiation. You can now use the normal configuration commands to apply the configuration to all interfaces in the defined macro. This configuration terminates any active USB console media type in the stack. Traffic is forwarded to and from the trunk port for that VLAN. Each switch has Vlan 1 as a default one. Powered devices can also negotiate with the switch for more power. Many thanks If the port continuously draws more than 15.4 W, the cycle repeats. Configure the console media type to always be RJ-45. (Choose three.) Connect the blue console cable, and open a TTY session: 9600,8,n,1. You can create an interface range macro to automatically select a range of interfaces for configuration. The switch initially allocates this amount of power when it detects and powers the powered device. 3rd layer devices (eg: Cisco 3560 switch) are able to route network traffic based on information about ip addresses and transfer them between different networks (eg: between /24 network and /24 network). Disabled on SFP module ports; enabled on all other ports. Gigabit Ethernet ports are not affected by the system mtu command; 10/100 ports are not affected by the system mtu jumbo command. First step of setting up this home lab is to get my two Catalyst 2960s reset to factory defaults. If a USB console cable is connected to switch 2, it is prevented from providing input. There are 3rd layer switches of OSI model (eg Cisco 3560) which combine functions of router (3rd layer devices) and 2nd layer switches (access layer). The image is the name of the bootable image. (Optional) Display the status and configuration of all interfaces or a specific interface. A log entry shows when a console cable is attached. Loads and boots an executable image from the TFTP server and enters the command-line interface. Displays the currently cached ARP1 table when this command is entered without the ip_address parameter. One management IP address to manage all three switches.. You can add a description about an interface to help you remember its function. To return to the default setting, use the no power inline consumption default global configuration command. For users connection only Fast Ethernet will be used. Beginning in privileged EXEC mode, follow these steps to shut down an interface: interface { vlan vlan-id } | {{ fastethernet | gigabitethernet } interface-id } | { port-channel port-channel-number }. This is a quick video on how to change the version of software running on a Cisco switch. switchport trunk encapsulation dot1q. The power that was allocated to the powered device is reclaimed into the global power budget. Page 229 Chapter 2 Catalyst 2960 Switch Cisco IOS Commands mdix auto Related Commands Command Description show controllers Displays general information about internal registers of an interface, ethernet-controller including the operational state of auto-MDIX. The Cisco Catalyst 2960-X/XR is the best replacement for the 2960-S series (end-of-life and end-of-sale now). Switchport mode dynamic auto (supports DTP). Note If Layer 2 Gigabit Ethernet interfaces are configured to accept frames greater than the 10/100 interfaces, jumbo frames received on a Layer 2 Gigabit Ethernet interface and sent on a Layer 2 10/100 interface are dropped. Cisco ASA Firewall Commands Cheat Sheet. show power inline [i nterface-id | module switch-number ]. Ports in different VLANs cannot exchange data without going through a routing device. If you exit interface-range configuration mode while the commands are being executed, some commands might not be executed on all interfaces in the range. For this connection to work properly, the port on my end needs to be setup for 100mbit, full duplex. Catalyst 2960 Switch Command Reference Cisco IOS Release 12.2(46)SE August 2008 Text Part Number: OL-8604-05. There are two switches connected WS-C3560-48PS-S on one side and WS-C2960-24PC-S on the other side. A VLAN comes into existence when you configure a local port to be associated with the VLAN, when the VLAN Trunking Protocol (VTP) learns of its existence from a neighbor on a trunk, or when a user creates a VLAN. To disable policing of the real-time power consumption, use the no power inline police interface configuration command. With a standard Layer 2 switch, ports in different VLANs have to exchange information through a router. An access port belongs to and carries the traffic of only one VLAN (unless it is configured as a voice VLAN port). The default state is off. Note Windows PCs require a driver for the USB port. show running-config interface [ interface-id ]. Enter the duplex parameter for the interface. The CDP protocol works with Cisco powered devices and does not apply to IEEE third-party powered devices. You should configure SVIs for any VLANs for which you want to route traffic. To disable the port, use the shutdown interface configuration command. For example, if the configured cutoff power is 12 W, the actual cutoff-value is 11.4 W, which is 0.05% less than the configured value. Select the interface and type of a dual-purpose uplink port. These VLANs are saved in the VLAN database. Beginning in privileged EXEC mode, follow these steps to allow booting from the USB flash device. For example, if the switch is locked to CDP, it does not provide power to devices that send LLDP requests. Procedure to reset a Cisco 2960 (or 2950) to factory defaults by deleting the configuration files. name NET_SALES The maximum power allocation is not the same as the actual power consumption of the powered device. show running-config interface [ interface-id ]. Page 229 Chapter 2 Catalyst 2960 Switch Cisco IOS Commands mdix auto Related Commands Command Description show controllers Displays general information about internal registers of an interface, ethernet-controller including the operational state of auto-MDIX. For password request – type the one you’ve chosen before. You can associate only one SVI with a VLAN. You can use the Ethernet management port instead of the switch console port for network management. [OK], This article was written by Alexey Yurchenko, Fa0/7, Fa0/8, Fa0/9, Fa0/10, Fa0/11, Fa0/12, Fa0/13, Fa0/14, Fa0/15, Fa0/16, Fa0/17, Fa0/18, Fa0/19, Fa0/20, Fa0/21, Fa0/22, Fa0/23, Fa0/24, Configuring Etherchannels (Link Aggregation) on Cisco switches, Cisco Catalyst 9200 Switch Overview and Configuration. A Layer 3 switch can have an IP address assigned to each SVI, but the switch supports static routing on 16 SVIs. After device detection, the switch determines the device power requirements based on its type: The initial power allocation is the maximum amount of power that a powered device requires. Do this with the command “write” or “copy run start” See the instruction in this article. You can specify the maximum wattage that is allowed on the port. By using the switch with routing enabled, when you configure both VLAN 20 and VLAN 30 with an SVI to which an IP address is assigned, packets can be sent from Host A to Host B directly through the switch with no need for an external router (Figure 1-2). Use ctrl-c to abort configuration dialog at any prompt. Page 188 Chapter 2 Catalyst 2960 Switch Cisco IOS Commands mdix auto Related Commands Command Description show controllers Displays general information about internal registers of an interface, ethernet-controller including the operational state of auto-MDIX. A log shows that this termination has occurred. At any point you may enter a question mark '?' However without CDP or LLDP, the switch does not allow devices to consume more than 15.4 W of power because values from 15400 to 30000 mW are only allocated based on CDP or LLDP requests. A short time later, the console changes and the USB console log appears. Disabled. The switch records the power consumption, including peak power usage, and reports the information through an SNMP MIB, CISCO-POWER-ETHERNET-EXT-MIB. ... 256 MB, 512 MB, 1 GB, 4 GB, and 8 GB flash drives. [yes/no]: Assign a name to the switch SW-DELTACONFIG-1. Table 1-6 lists the privileged EXEC mode clear commands that you can use to clear counters and reset interfaces. Basic configuration of the Cisco router. By default, power-usage policing is disabled on all PoE ports. The switch removes power from port 1, detects the powered device, and repowers the port. - Hitting return should give a prompt, confirming the connection. imit the power allowed on the port. Enable half-duplex mode (for interfaces operating only at 10 or 100 Mb/s). Example 1. For more details, see the command reference for this release. For more information, see the “Manually Assigning IP Information” section. This example shows how to set the maximum packet size for a Gigabit Ethernet port to 1800 bytes: This example shows the response when you try to set Gigabit Ethernet interfaces to an out-of-range number: These sections contain interface monitoring and maintenance information: Commands entered at the privileged EXEC prompt display information about the interface, including the versions of the software and the hardware, the configuration, and statistics about the interfaces. It works with these features to ensure that the PoE port can supply power to the powered device. If the IEEE class maximum wattage of the powered device is greater than the configured maximum value, the switch does not provide power to the port. These sections describe how to configure the interface speed and duplex mode: When configuring an interface speed and duplex mode, note these guidelines: – The 1000BASE- x (where - x is -BX, -CWDM, -LX, -SX, and -ZX) SFP module ports support the nonegotiate keyword in the speed interface configuration command. The Ethernet management port, also referred to as the Fa0 or fastethernet0 port, is a Layer 3 host port to which you can connect a PC. If the device uses more than the maximum power allocation on the port, the switch can either turn off power to the port, or the switch can generate a syslog message and update the LEDs (the port LED is now blinking amber) while still providing power to the device based on the switch configuration. A report is provided for each interface that the device supports or for the specified interface. By using the power inline consumption wattage configuration command, you can override the default power requirement specified by the IEEE classification. Normally, 10-Mb/s ports operate in half-duplex mode, which means that stations can either receive or send traffic. You cannot configure half-duplex mode for interfaces operating at 1000 Mb/s. The keywords have these meanings: Note If a port has a Cisco powered device connected to it, do not use the power inline never command to configure the port. If those commands did not work on your 2960 then you are not running the proper IOS. These rules apply to flow control settings on the device: Note For details on the command settings and the resulting flow control resolution on local and remote ports, see the flowcontrol interface configuration command in the command reference for this release. show interfaces [ interface-id ] description. To check the remote access, run the workstation’s command line and then type telnet For information on configuring a PoE port, see the “Configuring a Power Management Mode on a PoE Port” section. See the “Default Port Security Configuration” section. SW-DELTACONFIG-1(config)# When power policing is enabled, the switch polices the power usage at the switch port, which is greater than the power consumption of the device. For information about the output of the show power inline consumption privileged EXEC command, see the command reference for this release. To configure a physical interface (port) on a Catalyst 2960 switch or a Catalyst 2960-S switch running the LAN Lite image, specify the interface type, module number, and switch port number, and enter interface configuration mode. Hosts that are connected to ports belonging to different Vlans can’t communicate with each other even if correct ip addressing will be configured. The remainder of this chapter primarily provides physical interface configuration procedures. If you do not manually configure the cutoff-power value, the switch automatically determines the value by using CDP power negotiation. NOTE: Other Cisco Command Cheat Sheet Posts: Cisco Router Commands Cheat Sheet. Figure 1-1 Connecting VLANs with Layer 2 Switches. You can identify physical interfaces by looking at the switch. Disabled (not blocked). This procedure shows how to configure an interface as a Layer 3 interface and how to assign an IP address to an interface. Gateway of last resort is to network This example shows how to configure a Layer 3 SVI and to assign it an IP address: The default maximum transmission unit (MTU) size for frames received and transmitted on all interfaces is 1500 bytes. Don’t forget to save running configuration on all Cisco devices or you will loose all the changes after reboot. Instead of deleting config.txt and vlan.dat, you could rename them, config.old and vlan.old, then when you log back into the switch, go into privileged mode, then rename those files back to their original config.txt and vlan.dat. the IOS in the switches is 12.2(35)SE5 thanks. ALL Assign the switch access ports to your Vlan’s. It would be great to add description strings for each interface . End with CNTL/Z. Each uplink port has two LEDs: one shows the status of the RJ-45 port, and one shows the status of the SFP module port. What’s Needed to Stack Cisco 2960-S Switches? If there is not enough available PoE, or if a device is disconnected and reconnected while other devices are waiting for power, it cannot be determined which devices are granted or are denied power. If enough power is available for all powered devices connected to the switch, power is turned on to all devices. The switch monitors and tracks requests for power and grants power only when it is available. Disabled. Note When you manually configure the power budget, you must also consider the power loss over the cable between the switch and the powered device. For these devices, when the switch grants a power request, the switch adjusts the power budget according to the powered-device IEEE classification. The switch also uses the power policing feature to police the power usage. Beginning in privileged EXEC mode, follow these steps to select the RJ-45 console media type. The port LED is on for whichever connector is active. enable secret XXXX, Creating a user account for remote connection and a password The switch processes a request and either grants or denies power. Make sure that all networks are in your list. However, it’s hard to avoid all the problems with any good device. If you do not specify a wattage, the switch pre-allocates the maximum value. To delete an SVI, use the no interface vlan global configuration command. This is sample output from the show usb device command: This is sample output from the show usb port command: The switch supports these interface types: You can also configure a range of interfaces (see the “Configuring a Range of Interfaces” section). You can then extend the switch power budget and use it more effectively. In full-duplex mode, two stations can send and receive traffic at the same time. Beginning in privileged EXEC mode, follow these steps to configure auto-MDIX on an interface: Configure the interface to autonegotiate speed with the connected device. 100  NET_ADMIN        active    Fa0/1, Fa0/2, Fa0/3, Fa0/4, Fa0/5, Fa0/6. You use switch ports for managing the physical interface and associated Layer 2 protocols. After making all of the steps, connect two workstations to ports belonging to the same Vlan, eg with the number 100, set ip addresses and, then use ping from one to another. Hi, My Cisco 2960 switch encountered issues over the weekend causing 2 of the ports to go into Err-disable mode. However, you can use the media-type interface configuration command to manually select the RJ-45 connector or the SFP module connector. The following commands will work on most Cisco switch models such as 4500, 3850, 3650, 2960, 3560 etc. You can increase the MTU size to support jumbo frames on all Gigabit Ethernet interfaces by using the system mtu jumbo global configuration command. Table 1-5 lists some of these interface monitoring commands. You can use the interface range global configuration command to configure multiple interfaces with the same configuration parameters. Step 4 After you configure an interface, verify its status by using the show privileged EXEC commands listed in the “Monitoring and Maintaining the Interfaces” section. Beginning in privileged EXEC mode, follow these steps to configure flow control on an interface: flowcontrol { receive } { on | off | desired }. By default, all possible VLANs (VLAN ID 1 to 4094) are in the allowed list. If you do not enter this command and both types are connected, the default is USB. If error recovery is disabled, you can manually re-enable the PoE port by using the shutdown and no shutdown interface configuration commands. These examples identify interfaces on a Catalyst 2960-S switch running the LAN base image: This example identifies an interface on a Catalyst 2960 switch or a Catalyst 2960-S switch running the LAN Lite image: Note Configuration examples and outputs in this book might not be specific to your switch, particularly regarding the presence of a stack member number. Use the supplied USB Type A-to-USB mini-Type B cable to connect a PC or other device to the switch. In a Catalyst 2960-S stack, all the Ethernet management ports on the stack members are connected to a hub to which the PC is connected. I go to the last one code speed 1000 and duplex full and it takes the commands. The switch operates with 100BASE- x (where - x is -BX, -FX-FE, -LX) SFP modules as follows: The switch does not have this behavior with 100BASE-FX-GE SFP modules. Beginning in privileged EXEC mode, follow these steps to configure a range of interfaces with the same parameters: interface range { port-range | macro macro_name }. Cisco 2960 Update Ios It is from there that you would be able to download the latest version of IOS for the Cisco 2960S, the 15.0.2.SE11. ... the interfaces are all 1Gbps full duplex, auto neg . Power over Ethernet Plus (PoE+) is supported only on Catalyst 2960-S switches. Cisco Catalyst 2960-CX and 3560-CX support a maximum of six EtherChannel port groups. If you do not specify a wattage, the switch delivers the maximum value. Verify the interface flow control settings. cisco 2960 switch radius authentication, We have two Cisco 2960 switches that we need to be able to connect together. The switch senses the power consumption of the connected device as follows: 1. Note Stacking is supported only on Catalyst 2960-S switches running the LAN base image. Verify the configuration of the interfaces in the range. Cisco IOS Release 15.2(7)Ex runs on Catalyst 2960-C and 2960-Plus switches and on Cisco EtherSwitch service modules. For reference: For more information about PoE-related commands, see the “Troubleshooting Power over Ethernet Switch Ports” section.