C-11
Troubleshooting
Unusual Network Activity
IP Multicast Traffic Floods Out All Ports; IGMP Does Not Appear To
Filter Traffic. The IGMP feature does not operate if the switch or VLAN does
not have an IP address configured manually or obtained through DHCP/Bootp.
To verify whether an IP address is configured for the switch or VLAN, do either
of the following:
â– Try Using the Web Browser Interface: If you can access the web
browser interface, then an IP address is configured.
â– Try To Telnet to the Switch Console: If you can Telnet to the switch,
then an IP address is configured.
â– Using the Switch Console Interface: From the Main Menu, check the
Management Address Information screen by clicking on
1. Status and Counters
2. Switch Management Address Information
LACP-Related Problems
Unable to enable LACP on a port with the interface < port-number > lacp
command. In this case, the switch displays the following message:
Operation is not allowed for a trunked port.
You cannot enable LACP on a port while it is configured as static Trunk port.
To enable LACP on static-trunked port, first use the
no trunk < port-number > command to disable the static trunk assignment, then
execute interface < port-number > lacp.
Caution Removing a port from a trunk without first disabling the port can create a
traffic loop that can slow down or halt your network. Before removing a port
from a trunk, ProCurve recommends that you either disable the port or
disconnect it from the LAN.
Port-Based Access Control (802.1X)-Related Problems
Note To list the 802.1X port-access Event Log messages stored on the switch, use
show log 802.
See also “Radius-Related Problems” on page C-15.
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