Chapter 72 Error-Disable
XMG1930 Series User’s Guide
501
72.3 CPU Protection Setup
Use this screen to limit the maximum number of control packets (ARP, BPDU and/or IGMP) that the
Switch can receive or transmit on a port. Click SECURITY > Errdisable > CPU Protection to display the
screen as shown.
Note: After you configure this screen, make sure you also enable error detection for the
specific control packets in the SECURITY > Errdisable > Errdisable Detect screen.
Figure 358 SECURITY > Errdisable > CPU Protection
The following table describes the labels in this screen.
Status This field displays the errdisable status.
• Forwarding: The Switch is forwarding packets. Rate-limitation mode is always in Forwarding
status.
• Err-disable: The Switch disables the port on which the control packets are received
(inactive-port) or drops specified control packets on the port (inactive-reason).
Recovery
Time Left
(secs)
This field displays the time (seconds) left before the ports becomes active of Errdisable
Recovery.
Total
Dropped
This field displays the total packet number dropped by this port where the packet rate exceeds
the rate of mode rate-limitation.
Table 280 SECURITY > Errdisable > Errdisable Status (continued)
LABEL DESCRIPTION
Table 281 SECURITY > Errdisable > CPU Protection
LABEL DESCRIPTION
Reason Select the type of control packet you want to configure here.
Port This field displays the port number.
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