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HP ProCurve Switch 1810G Series - FAQs

Q: How many queues are supported by the ProCurve Switch 1810G series?

The ProCurve Switch 1810G series supports 4 queues per port.

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Q: Do the ProCurve 1810G Series Switches come with mounting brackets?

The ProCurve 1810GG-24 (J9450A) comes with mounting bracket kit (5064-2085) for easy installation in a 19 inch rack. Since the ProCurve 1810GG-8 (J9449A) was designed to be a desktop switch, it does not come with mounting brackets.

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Q: What do the different switch LEDs indicate?

The front panel of the switch provides status LEDs for system monitoring. The following table details the functions of the various indicators.

System LED
State
Meaning
Power
(green)
On
The switch is receiving power.
Off
The switch is NOT receiving power.
Fault
(orange)
On
On briefly after the switch is powered on or reset, at the beginning of switch self test. If the LED remains on, it indicates a detected hardware failure during the self test.
Blinking *
A fault has occurred on the switch or one of the switch ports. The Link LED for the port with the fault will blink simultaneously.
Off
The normal state; indicates that there are no fault conditions on the switch.
Locator
(blue)
Blinking **
The Locator LED is used to locate a specific switch in an area full of switches. The LED blinks for 30 minutes when activated through the switch software.
Off
The Locator LED is disabled by default.
PD
(green)
On
Power is available on the PoE In port (Port 1).
Blinking *
Power is no longer available on the PoE In port. The switch is powered from the external power adapter. The LED continues to blink until power is restored on the PoE In port or the switch reset.
Off
No power is available on the PoE In port.
LED Mode Select
(3 green LEDs)
Act
Indicates that the port LEDs are displaying network activity information.
FDx
Indicates the port Mode LEDs are lit for ports that are in full-duplex mode.
Spd
Indicates that the port LEDs are displaying the connection speed at which each port is operating:
  • if the port LED is off, the port is operating at 10 Mbps
  • if the port LED is blinking *, the port is operating at 100 Mbps
  • if the port LED is on continuously, the port is operating at 1000 Mbps

* The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.

** The blinking behavior is an on/off cycle once every 0.8 seconds, approximately.

Port LED
State
Meaning
Link
On
The port is enabled and receiving a link indication from the connected device.
Off
The port has no active network cable connected, is not receiving link signal, or Green Mode has been enabled.
Blinking
A fault has been detected on the port. The port LED will blink simultaneously (once every 1.6 seconds) with the Fault LED.
Mode
Depending on the mode selected, displays port activity, indicates the operating speed, or shows if the port is configured for full-duplex operation. When off, may indicated that Green Mode is enabled. See “LED Mode Select Button and Indicator LEDs” below for more information.

LED Mode Select Button and Indicator LEDs

To optimize the amount of information that can be displayed for each of the switch ports, the ProCurve 1810G-8 Switch uses a Mode LED for each port. The operation of this LED is controlled by the LED Mode Select button on the switch panel, and the current selection is indicated by the mode indicator LEDs near the button. Press the button to change from one mode to the next.

  • If the Activity (Act) indicator LED is lit, each port LED displays activity information for the associated port—it flickers as network traffic is received and transmitted through the port.
  • When the FDx (full duplex) indicator LED is on, the port Mode LEDs turn on for those ports that are operating at full duplex.
  • If the Speed (Spd) indicator LED is lit, the port LEDs behave as follows to indicate the connection speed for the port:
    • Off = 10 Mbps
    • Blinking = 100 Mbps (the flashing behavior is a repeated on/off cycle once every 1.6 sec.)
    • On = 1000 Mbps

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Q: What do I do if I forget the password I set on the switch?

Deleting Passwords - When pressed the Clear button by itself for at least three seconds, the button deletes any switch console access passwords that you may have configured. Use this feature if you have misplaced the password and need console access.

This button is provided for your convenience, but its presence means that if you are concerned with the security of the switch configuration and operation, you should make sure the switch is installed in a secure location, such as a locked wiring closet.

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Q: How do I reset factory defaults on the ProCurve 1810G Series Switches?

Restoring Factory Default Configuration - When Clear button is pressed with the Reset button in a specific pattern, any configuration changes you may have made through the switch console, the web browser interface, and SNMP management are removed, and the factory default configuration is restored to the switch. For the specific method to restore the factory default configuration, see “Restoring to Factory Defaults” in chapter 4, “Troubleshooting” of this manual.

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Q: What do the Self Test LED’s indicate?

During the self test:
  • Initially, all the status, and all port Link and Mode LEDs turn on, with the Locator LED blinking (the PD LED also blinks when the switch is powered by the external adapter)
  • After several seconds all LEDs turn off, except for the Power, Fault, Locator, and Act LEDs, which remain on (the PD LED also remains on when PoE power is available on Port 1)
  • The port Link LEDs turn on in sequence from port 1 to port 8, and then the Mode LEDs flash once in sequence. Finally, the Link LEDs turn off in the same sequence and the self test is complete. When the self test completes successfully:
    • The Power LED remains on
    • The Fault and Locator LEDs stay off
  • In the default state, the Act LED stays on and the Spd and FDx LEDs stay off. The PD LED remains on when PoE power is available on Port 1
  • The port LEDs on the front of the switch go into their normal operational mode:
    • If the ports are connected to active network devices, the Link LEDs stay on and the Mode LEDs behave according to the mode selected. In the default mode (Act), the Mode LEDs should be blinking indicating port activity
    • If the ports are not connected to active network devices, the Link and Mode LEDs will stay off

If the LED display is different than what is described above the self test has not completed correctly. Refer to “Troubleshooting” for diagnostic help.

Remove power to the switch before mounting.

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Q: How do I apply power to the switch?

  • Neither the 8 or 24 port have power switches. The 8 port switch receives power to the switch using the external power adapter module or a PoE PD connection to Port 1. The 24 port uses a standard 120VAC/240VAC power cord.
  • Use the included cable tie to secure the power cord to the 8 port switch.
  • Re-check the LEDs during self test. See “Self Test LED Behavior”

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Q: What are the feature differences between the ProCurve Switch 1800 and 1810G series?

Feature
ProCurve Switch
1800-8G J9029A
1800-24G J9028B
1810G-8 J9449A
1810G-24 J9450A
Option to power by an upstream PoE device
No
No
Yes
No
Secure Sockets Layer (SSL)
No
No
Yes
Yes
Dual Flash Images
No
No
Yes
Yes
Automatic denial-of-service protection
No
No
Yes
Yes
Energy Savings Mode
No
No
Yes
Yes
Loop Protection
No
No
Yes
Yes
Locater LED
No
No
Yes
Yes

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Q: What is the default IP address of the ProCurve 1810G Series Switches?

The default IP address is 192.168.2.10 with a 24 bit subnet mask (255.255.255.0). Further information about initial switch configuration is available in the Installation and Getting Started Guide .

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Q: What do I do if I forget the IP address I set on the ProCurve 1810G Series Switch?

If you are using a management application like ProCurve Manager, you may be able to check on the IP address there. If you configured the switch to receive a DHCP address, (DHCP is turned off by default) you may be able to check the DHCP server for a list of leased addresses by searching for the switch MAC address (printed on the outside of your ProCurve 1810G Switch). If both of those steps fail you can use another switch and execute the LLDP Remote command to get the IP address or you can reset the switch to factory defaults and use the default address to communicate with the management interface.

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Q: What type of SNMP functionality does the ProCurve 1810G Series Switches support?

The SNMP functionality is read-only and is used by ProCurve Manager to discover and map the device. SNMP cannot be used to configure the switch or send SNMP traps to a trap receiver.

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Q: What is the default SNMP community name for the ProCurve Switch 1810G series?

The default SNMP community name for the ProCurve Switch 1810G series is "public".

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Q: What type of management is available for the ProCurve 1810G Series Switches?

The 1810G Series Switches are Web Managed switches. This means that the Web interface is the only method for managing and configuring the switch. The 1810G Series Switches have a user-friendly Web interface and are designed to allow users to add basic capabilities to their infrastructure without adding complexity. The 1810G Series Switches do not have a console port or command line interface.

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Q: What does it mean to be Web Managed?

The 1810G is a Web managed switch.

What it does:
  • You can configure features through a Web interface
  • You can assign an IP address
  • You can set the system name if you desire so that the switches' name and information will appear when you use PCM or an SNMP based management agent (such as a MIB browser) to discover the switch
  • You can discover and map the device using PCM
  • And you can launch a single 1810G's Web UI through PCM. This provides a centralized way to "get to" the 1810Gs (rather than typing the IP address into your browser)
What it doesn't do:
  • No read/write support for SNMP (this would make it "fully managed" by industry definitions)
  • No console port
  • No CLI or menu based configuration (Web UI is the ONLY way to configure the switch)
  • No device configuration through PCM (except to launch an individual 1810G's Web UI as described above)

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Q: Can the ProCurve 1810G Series Switches be managed through ProCurve Manager?

ProCurve Manager (PCM) can discover the ProCurve Switch 1810G Series, and place them on the network topology map. Once the switch is discovered, PCM can be used to launch the ProCurve Switch 1810G series Web UI.

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Q: Will the 1810G automatically reset the unit when the firmware download is complete?

Unlike the 1800 the 1810GG will not automatically reboot the switch after a firmware update. Once the firmware has been loaded, the new configuration will be activated the next time you reboot. You can use the Diagnostics > Reboot Switch page to reboot the system.

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Q: How do I update firmware?

Update Manager enables a new image or configuration file to be uploaded from the local system or network to the switch. To access this page, click Maintenance > Update Manager in the navigation pane.

Update Manager displays different options depending on the transfer protocol, file or image type selected for an update. In the “Update Manager Page” example below, the inactive (or “Backup”) image on the switch is being updated with the file named switchdrvr.stk from a TFTP server. For example, if the image1 file is being used as the currently-active image running on the switch, then the image2 file is the backup file to be updated.

Update Manager fields
Field
Description
Update Method
Select the protocol to use:
  • HTTP — The file is downloaded using HTTP from a local or remote drive.
  • TFTP — The file is downloaded using TFTP from a TFTP server operating on the system/ network.
Browse for file (HTTP upload only)
If HTTP is used for the software update, click Browse to select the designated file.
Note: If the file name differs from the default name on the switch, the file will be renamed to the default name when uploaded (see the Update Type field description).
Server IP (TFTP upload only)
If a TFTP download is performed, enter the IP address of the TFTP server.
File Name (TFTP upload only)
If a TFTP download is performed, enter the name of the software update file on the TFTP server.
Update Type
Select the file type to be updated:
  • Code — Update the software image file specified.
  • Configuration — Update up the configuration file.
  • To update an SSL certificate or key encryption file, select the certificate type (for a description of these files, see Secure Connection In the Management and Configuration Guide)
  • SSL Trusted Root Certificate PEM File — SSL Trusted Root Certificate File which is encoded using the Privacy Enhanced Mail (PEM) protocol.
  • SSL Server Certificate PEM File — SSL Server Certificate File (PEM-encoded).
  • SSL DH Weak Encryption Parameter PEM File — SSL Diffie-Hellman Weak Encryption Parameter File (PEM encoded).
  • SSL DH Strong Encryption Parameter PEM File — SSL Diffie-Hellman Strong Encryption Parameter File (PEM encoded).
Image (for Code updates only)
If Code is selected as the update type, select which of the two images stored on the switch is to be updated:
  • Active — The uploaded image will replace the currently active image.
  • Backup — The uploaded image will replace the backup image.

Example — Updating the Switch Software

CAUTION: It is recommended that you back up the image file before updating it. See “Backup Manager” In the Management and Configuration Guide for instructions.

Follow these instructions to update the switch software (that is, a firmware code image):
  1. In the Update Method field, select the protocol to use to upload the file to the system. If the file is located on a local or network drive, select HTTP.
  2. If the file is located on a TFTP server, select TFTP. If TFTP is selected, specify the IP address of the TFTP server and the name of the file as it appears on the server.

    If HTTP is selected, browse to locate the file on your network or local drive.

  3. In the Update Type field, select Code.
  4. In the Image field, choose Backup or Active.

    If you choose Backup, the inactive (backup) image file will be updated.

    If you choose Active, the active image file will be updated.
  5. Click Download.

    A warning page like the following displays (the text may differ depending on the protocol selected):

  6. Click OK. The following page displays:
  7. Click OK.

    The following message displays on the Update Manager page:

    When the transfer is complete, a window like the following displays:

  8. Click OK. Update Manager displays the following status message:
  9. Click Back to redisplay the Update Manager page.

    Note that, in this example, the image was downloaded as the inactive (backup) image. To complete the update process and to activate the backup image as the operating software, use the Dual Image Configuration page.

    In the following example, Image1 is the active image, and Image2 is the newly updated backup image. Image2 is to be activated on the next reboot (and Image1 will become the inactive backup image).

  10. (Optional) Add a description for the selected image (Image2) and click Apply.
  11. Click Activate to activate the selected image on the next reboot.

    Note: You can verify the next active image after a reboot by viewing the Status > Dual Image screen.

  12. Click Diagnostics > Reboot Switch, and then click Reboot Switch to complete the update.

    Wait about a minute, then refresh your browser to redisplay the Web interface.

    Upon reboot, the previously-active image (Image1, in this example) will become the inactive (backup) image.

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Q: How do I save the configuration?

Use the Save Configuration page to save any changes applied since the last reboot. If the switch reboots before the applied changes are saved, the changes will be lost. To access this page, click Maintenance > Save Configuration.

Click Save Configuration to save the changes made during this session.

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Q: How do I make a backup copy of the switches configuration or image?

Backup Manager page provides a means to save a backup copy of the switch’s image or configuration files on a local system or network directory. To access this page, click the Maintenance > Backup Manager.

The page displays different options depending on the protocol and image or file type selected for the backup. As shown in the Backup Manager Page example below., TFTP (Trivial File Transfer Protocol) has been selected as the backup method for saving the code (entire image) onto a server.

Backup Manager Fields
Field
Description
Backup Method
Select the protocol to use:
  • HTTP — The file is downloaded over the current browser session.
  • TFTP — This requires a TFTP server operating on the system/network.
Server IP (TFTP backup only)
If a TFTP backup is to be performed, enter the IP address of the TFTP server.
File Name (TFTP backup only)
If a TFTP backup is to be performed, enter the file name with which backup must be saved. This can differ from the actual file name on the switch.
Backup Type
Select the image or file to be backed up:
  • Code — The entire image is backed up (default name switchdrvr.stk).
  • Configuration — Only the configuration file is backed up (default name config.bin).
Image Name
If Code is selected as the Backup Type, select one of the two images stored in memory:
  • Active — The currently active image is backed up.
  • Backup — The backup image is backed up (name config.bin)
  • For a backup using HTTP, click Apply to begin the backup process. A window displays with a prompt to save the file in the desired location.
  • For backup using TFTP, ensure that the TFTP server is running and click Apply. Use a TFTP application to initiate the backup.
Note: If using Internet Explorer, when you attempt a backup operation from a secure HTTP session using the HTTP protocol, you may receive the following error message, even though the document is available and downloaded from the server:
  • Internet Explorer cannot download filename from <site name>. Internet Explorer was not able to open this Internet site. The requested site is either unavailable or cannot be found. Please try again later.
This error happens due to security limitations with Internet Explorer. Recent versions do not have this problem. To perform the operation, configure the following settings in your browser:
  • Click Tools > Internet Options and display the Advanced tab.
  • In the Security settings, select Do not save encrypted pages to disk.
  • Try the backup operation again.
  • After the backup operation is complete, restore your settings to the original values to avoid Web performance issues.

If you use a browser other than Microsoft Internet Explorer, such as Firefox or Mozilla, the download of the attachment should work as expected.

Example — Backing up a configuration file

Follow these instructions to back up a configuration file:
  1. In the Backup Method field, select the protocol to use to upload the file to the system. To save the file on a local or network drive, select HTTP. To save the file on a TFTP server, select TFTP.
  2. If TFTP is selected, specify the IP address of the TFTP server and the name to assign to the file when it is saved.
  3. Select Configuration in the Backup Type field.
  4. Click Apply.

    A window like following displays (the text may differ depending on the selected protocol and backup type):

  5. Click OK. For an HTTP transfer, browse to the location where you want to save the file. A progress bar indicates that the backup is in progress and the page displays the following message:

    CAUTION: Do not disturb the browser window while the transfer is in progress.

    When the backup is complete, a window like the following displays:

  6. Click OK. The Backup Manager page displays the following status message:
  7. Click Back to redisplay the Backup Manager page.

Note: To restore a backed-up code or configuration file, use Update Manager.

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Q: What is Green Mode and how is it configured?

A Green Mode feature can be configured through the Web browser interface. When Green Mode is enabled, port LEDs are turned off unless the LED Mode button is pressed.

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Q: How do I configure the switch?

The ProCurve 1810G-8/24 Switch can be managed through a Web-browser interface that you can access from any PC or workstation in the connected network. For initial configuration, you may want to assign an IP address to the switch that is compatible with your existing network. However, you first need to access the Web interface using the switch’s default IP address.

In the factory default configuration, the default IP (Internet Protocol) address of the switch is 192.168.2.10 and the subnet mask is 255.255.255.0.

The following procedure shows how to access the Web interface and change the switch’s IP address:
  1. Place the switch close to the PC that you will use for configuration. It helps if you can see the front panel of the switch while working from your PC.
  2. Connect power to the switch, and then start your PC (if it is not already running) and wait until it has finished its start-up sequence.
  3. Reconfigure the PC’s IP address and Subnet Mask so that it can commu¬nicate with the switch. If you are unfamiliar with this process, see Q: How do I setup my PC?
  4. Connect the PC to any port on the switch using a standard Ethernet LAN cable. Verify that you have a link by checking the LEDs on the front-panel of the switch.
  5. Open your Web browser on the PC, and enter the factory-default address, http://192.168.2.10, to access the switch’s Web interface. If your PC is properly configured, you will see the log on page of the switch. If you do not see the log on page, check your settings and repeat step 3.
  6. Click Log on to log onto the switch (there is no default password).
  7. Click Network Setup > Get Connected and configure IP network settings on the switch for operation on your network. and then click on the Apply button.

    Note: If you enable DHCP for IP network configuration, the switch must be connected to the same network as the DHCP server. You will need to access your DHCP server to determine the IP address assigned to the switch.

  8. Click Maintenance > Save Configuration and save your settings to retain them when the switch is rebooted.

    No other configuration changes are required at this stage, but it is recommended that you configure an administrator password before logging out. From the menu, click Maintenance, then Password Manager. Fill in all the fields before clicking on the Apply button.

    You are done with preconfiguration. Disconnect the LAN cable.

    Be sure to return your PC to its original network settings for your network.

    Note: If you cannot remember the switch’s IP address or password, you can restore the factory default settings by following the procedure described in the “Troubleshooting” section.

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Q: How do I setup my PC?

To reconfigure the PC’s IP address and Subnet Mask so that it can communicate with the switch. For example, on a PC running Windows® XP:
  1. Click Start > Connect to > Show all connections.
  2. Select and right-click Local Area Connection, then click Properties.
  3. Scroll and select Internet Protocol (TCP/IP), then click Properties.

    Note: Be sure to record all your PC’s current IP settings to be able to restore them later.

  4. On the General tab, click Use the following IP address.
  5. For IP address, enter an IP address in the same range as the switch’s default IP address. For example, enter 192.168.2.12.
  6. For Subnet mask, enter 255.255.255.0, then click OK.
  7. Click Close (or OK) to close the Local Area Connection Properties screen.

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Q: How do I reset factory defaults on the ProCurve 1810G Series Switches?

You can restore the factory default configuration on the switch by pressing the Reset and Clear buttons.

To execute the factory default reset on the switch, perform these steps:
  1. Using a small, thin tool with blunt ends (such as a paper clip), simultaneously press both the Reset and Clear buttons on the front of the switch.
  2. Continue to press the Clear button while releasing the Reset button.
  3. When all three Mode LEDs (Act, FDx, and Spd) begin to blink, release the Clear button.
  4. The switch will then complete its self test and begin operating with its configuration restored to the factory default settings.

After completing this procedure, there will be no password, the IP address will be returned to the default 192.168.2.10, and all configuration settings will be returned to factory defaults.

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Q: How do I configure tagging on VLAN ports?

Participation / Tagging

Use this page to include ports or trunks in particular VLANs and to specify the tagging policy for outgoing packets on a port or trunk.

Note:
  • All ports are members of VLAN1 by default.
  • Each port must be a member of at least one VLAN. An error message is displayed if a user attempts to exclude a port from participation in its only VLAN.
  • Ports belonging to a trunk cannot be assigned membership in a VLAN, although the trunk itself can be a member of one or more VLANs. When a member port is added to a Trunk, it loses any previous VLAN memberships and acquires those of the trunk. When deleted from a trunk, a port loses the VLAN memberships of the trunk and acquires untagged membership in VLAN 1.

To access the Participation / Tagging page, click VLANs > Participation / Tagging in the navigation pane.

As shown in the Participation / Tagging page configuration example below, VLAN 1 is selected for configuration. Ports 1, 2, and 5 are configured as untagged members of VLAN1, and Trunk 1 and Trunk2 are also members. Ports 3, and 4, and 7, and 8 are greyed-out because they are included in Trunk1 and Trunk2 respectively, and receive their VLAN assignments from the trunk. Port 6 is greyed-out because it is configured as a destination port in a port mirroring configuration, and cannot be assigned to a VLAN.

Participation/Tagging Page
Participation/Tagging Fields
Field
Description
VLAN
Select the VLAN to configure.
Tag / Untag / Exclude All
For a port or trunk to participate in a VLAN, its tagging policy must be defined. By default, all ports and trunks are configured as untagged members of VLAN1, and are excluded from all other newly created VLANs.
You can use the Tag / Untag / Exclude All box to configure all ports at once. Click this box until the appropriate options displays:
  • E — exclude all ports from this VLAN.
  • T — participate in the selected VLAN and tag all frames.
  • U — participate in the selected VLAN and leave all outgoing frames untagged. Each port can have only one untagged VLAN membership. If a port is an untagged member of a VLAN and a second VLAN is selected for untagged membership, then the first VLAN membership is automatically changed to E (Exclude).
Then, you can use the Port boxes to refine the ports participation and tagging settings.
Port
Use the individual port boxes to specify whether a port will participate in this VLAN by identifying the tagging policy as described above, or by excluding the port from the VLAN.

Refer to the online help for further information about Participation / Tagging settings.

Click Apply to save any changes for the current boot session; the changes take effect immediately. Use the Maintenance > Save Configuration page to have the settings to remain in effect after a reboot.

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Q: Does the ProCurve Switch 1810G series support Spanning Tree Protocols (STP)?

No, the ProCurve Switch 1810G Series does not support any of the Spanning Tree Protocols (802.1s, 802.1D, or 802.1w). However, BPDU packets are still passed.

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Q: How does the ProCurve Switch 1810G series service 802.1p priorities?

There is no software configuration of 802.1p for the ProCurve Switch 1810G series. The ProCurve Switch 1810G series honors priorities of the frames received.

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Q: How are the 802.1p priorities mapped to the queues for the ProCurve Switch 1810G series?

The ProCurve Switch 1810G series 802.1p priorities are mapped as shown in the following table.
Port Queue and 802.1p Priority Values
Priority for Exiting From the Port
  • Low (1 - 2)
  • Normal (0, 3)
  • Medium (4 - 5)
  • High (6 - 7)
  • Fourth
  • Third
  • Second
  • First

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Q: What is the difference between STP and Loop Protection?

The ProCurve 1810GG switch software is equipped with an automatic Loop Protection feature. Loop Protection is enabled and disabled globally and on a port-by-port basis. When enabled globally, the software sends loop protection packets to a reserved layer 2 multicast destination address on all the ports on which the feature is enabled. Transmission of the packet can be disabled selectively on certain ports, even when Loop Protection is enabled.

If this multicast packet comes back to the switch with any of the ports’ MAC addresses as the source, the switch determines that a loop has occurred. The port that received the loop protection packet from the switch can be shut down for a configurable period, and a log entry can be made. Ports on which Loop Protection is disabled drop the loop protection packets silently.

To configure Loop Protection, click Switching > Loop Protection in the navigation pane.

Loop Protection Fields
Field
Description
Configured Action Taken
The action that is set to occur when a loop is detected on the port with Loop Protection enabled:
  • Shutdown port — The port will be shut down for the configured period
  • Log — The event will be logged and the port remains operational
  • Shutdown and log — The event will be logged and the port it shut down for the configured period
Protection Feature Mode
Shows whether loop protection is enabled or disabled on the port.
Tx Mode
Shows whether the port is configured to forward packets to the multicast destination MAC address designated for the Loop Protection feature.
Received Total
The number of packets received on the interface for which the packet’s source MAC address matches the destination multicast MAC address designated for the Loop Protection feature.
Transmitted Total
The number of packets forwarded on the interface to the multicast destination MAC address designated for the Loop Protection feature.
Loop Count
The number of loops detected on this interface since the last system boot or since statistics were cleared.
Loop Detected
Shows whether a loop has been detected on the port within the configured Shutdown Time.
  • Click Clear to reset all counters to 0
  • Click the Refresh link above the page to redisplay the page with the latest status from the switch

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