IGMP-Related Problems

Troubleshooting

Unusual Network Activity

The Switch Has Been Configured for DHCP/Bootp Operation, But Has

Not Received a DHCP or Bootp Reply. When the switch is first config- ured for DHCP/Bootp operation, or if it is rebooted with this configuration, it immediately begins sending request packets on the network. If the switch does not receive a reply to its DHCP/Bootp requests, it continues to periodically send request packets, but with decreasing frequency. Thus, if a DHCP or Bootp server is not available or accessible to the switch when DHCP/Bootp is first configured, the switch may not immediately receive the desired configuration. After verifying that the server has become accessible to the switch, reboot the switch to re-start the process.

IP Multicast (IGMP) Traffic Does Not Reach IGMP Hosts or a Multicast

Router Connected to a Port. IGMP must be enabled on the switch and the affected port must be configured for “Auto” or “Forward” operation.

IP Multicast Traffic Floods Out All Ports; IGMP Does Not Appear To

Filter Traffic. The IGMP feature does not operate if the switch does not have an IP address configured manually or obtained through DHCP/Bootp. To verify whether an IP address is configured for the switch, access the switch console and from the Main Menu, select:

1.Status and Counters

2.Switch Management Address Information

Troubleshooting

Figure 8-1. Checking for an IP Address on the Switch

8-5

224M, 212M specifications

The HP 212M and 224M are innovative models in the line of HP printers that combine advanced printing technology with user-friendly features, making them suitable for various printing needs in both home and office environments. These models stand out due to their efficiency, speed, and overall print quality.

One of the main features of the HP 212M and 224M is their high-resolution printing capabilities. They offer sharp text and vivid colors, ensuring that documents, photos, and graphics look professional and appealing. Both models utilize HP’s proprietary thermal inkjet technology, which allows for precise ink placement and minimizes waste, further contributing to the overall cost efficiency of printing.

The HP 212M is designed for lower-volume printing needs, making it an ideal choice for small businesses or home offices that require reliable performance without overwhelming capacity. It supports a range of paper sizes and types, providing versatility for various printing tasks.

On the other hand, the HP 224M is equipped to handle higher volume printing demands. It features larger ink cartridges and advanced paper handling capabilities, allowing it to accommodate larger print jobs without frequent interruptions. This makes it particularly suitable for busy work environments where efficiency is paramount.

Both models come equipped with wireless connectivity options, allowing users to print from smartphones, tablets, and computers seamlessly. The compatibility with mobile printing technologies, such as Apple AirPrint and Google Cloud Print, empowers users to send documents to the printer from virtually anywhere, enhancing workflow and productivity.

Energy efficiency is another characteristic that distinguishes the HP 212M and 224M printers. They are designed to consume less power than traditional printers, contributing to lower energy bills and a reduced carbon footprint. Additionally, HP’s commitment to sustainability is evident through their recyclable cartridge program, encouraging eco-friendly practices among users.

In summary, the HP 212M and 224M printers offer a compelling combination of high-quality printing, advanced technology, and user-friendly features. Whether for personal use or professional settings, these models provide the reliability and performance that users need to meet their printing requirements efficiently.

HP 212M, 224M manual IGMP-Related Problems, Checking for an IP Address on the Switch

Models: 224M 212M

Troubleshooting