Troubleshooting
Unusual Network Activity
The Switch Has Been Configured for DHCP/Bootp Operation, But HasNot Received a DHCP or Bootp Reply. When the switch is first configured 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
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 ToFilter 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
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