Chapter 30 Error Disable
OLT2406 User’s Guide
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30.4 Error-Disable Detect Configuration
Use this screen to have the OLT detect whether the control packets exceed the rate limit configured for
a port and configure the action to take once the limit is exceeded. Click the Click Here link next to
Errdisable Detect link in the Advanced Application > Errdisable screen to display the screen as shown.
Figure 163 Advanced Application > Errdisable > Errdisable Detect
The following table describes the labels in this screen.
30.5 Error-Disable Recovery Configuration
Use this screen to configure the OLT to automatically undo an action after the error is gone. Click the
Click Here link next to Errdisable Recovery in the Advanced Application > Errdisable screen to display
the screen as shown.
Table 111 Advanced Application > Errdisable > Errdisable Detect
LABEL DESCRIPTION
Cause This field displays the types of control packet that may cause CPU overload.
* Use this row to make the setting the same for all entries. Use this row first and then make
adjustments to each entry if necessary.
Changes in this row are copied to all the entries as soon as you make them.
Active Select this option to have the OLT detect if the configured rate limit for a specific control packet
is exceeded and take the action selected below.
Mode Select the action that the OLT takes when the number of control packets exceed the rate limit
on a port, set in the Advanced Application > Errdisable > CPU protection screen.
• inactive-port - The OLT disables the port on which the control packets are received.
• inactive-reason - The OLT drops all the specified control packets (such as BPDU) on the port.
• rate-limitation - The OLT drops the additional control packets the port(s) has to handle in
every one second.
Apply Click Apply to save your changes to the OLT’s run-time memory. The OLT loses these changes if it
is turned off or loses power, so use the Save link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
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