3Com 3C17300A Implementation Guide - Page 61

RMON and the Switch 61 Table 5 Alarm Events Event Notify and filter port Notify and disable port Notify and enable port Disable port Enable port Notify and unfilter port System started Software Upgrade report Action Send Trap. Block broadcast and multicast traffic on the port. Recovers with the unfilter port event. Send Trap. Turn port off. Send Trap. Turn port on. Turn port off. Turn port on. Send Trap. Stop blocking broadcast and multicast traffic on the port. The Default Alarm Settings A new or initialized Switch has the following alarm(s) defined for each port: ■ Broadcast bandwidth used ■ Percentage of errors over one minute The default values and actions for each of these alarms are given in Table 6. Table 6 Values for the default alarm(s) Statistic High Threshold Broadcast Value: 20% bandwidth used Action: Notify and filter Number of errors Value: 8 errors per 10 over 10 seconds seconds Action: Smart auto-sensing will reduce port speed Low Threshold Recovery Period Value: 10% 30 secs Action: Notify and unfilter Value: 8 errors per 10 seconds 10 secs Action: None. (Speed can only be increased upon link loss, for example by removing and replacing the cable, or by triggering the port to perform another auto-negotiation on that link.)