Enabling And Disabling Backplane Diagnostic Packets On The Switch; Configuring Backplane Diagnostic Packets On The Switch - Extreme Networks ExtremeWare XOS Guide Manual

Backplane diagnostic packets are disabled by default. Once this feature is enabled, the system health
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checker tests the packet path for a specific I/O module every 6 seconds by default. The Management
Switch Fabric Module (MSM) sends and receives diagnostic packets from the I/O module to
determine the state and connectivity. (The other I/O modules with backplane diagnostic packets
disabled continue polling every 60 seconds by default.)
Aspen 8810 Switch
Polling is always enabled on the system and occurs every 5 seconds by default. The polling value is
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not a user-configured parameter. The system health check polls the control plane health between
MSMs and I/O modules, monitors memory levels on the I/O module, monitors the health of the
I/O module, and checks the health of applications and processes running on the I/O module. If the
system health checker detects an error, the health checker notifies the MSM.
Backplane diagnostic packets are disabled by default. If you enable this feature, the system health
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checker tests the data link for a specific I/O module every 5 seconds by default. The MSM sends and
receives diagnostic packets from the I/O module to determine the state and connectivity. If you
disable backplane diagnostics, the system health checker stops sending backplane diagnostic packets.
Enabling and Disabling Backplane Diagnostic Packets on the
Switch
To enable backplane diagnostic packets, use the following command:
enable sys-health-check slot <slot>
BlackDiamond 10K switch—By default, the system health checker tests the packet path every 6 seconds
for the specified slot.
Aspen 8810 switch—By default, the system health checker tests the data link every 5 seconds for the
specified slot.
NOTE
Enabling backplane diagnostic packets increases CPU utilization and competes with network traffic for resources.
To disable backplane diagnostic packets, use the following command:
disable sys-health-check slot <slot>
BlackDiamond 10K switch—By default, the system health checker discontinues sending backplane
diagnostic packets and returns the polling frequency to 60 seconds on the specified slot. Only polling is
enabled.
Aspen 8810 switch—By default, the system health checker discontinues sending backplane diagnostic
packets to the specified slot. Only polling is enabled.

Configuring Backplane Diagnostic Packets on the Switch

To configure the frequency of sending backplane diagnostic packets, use the following command:
configure sys-health-check interval <interval>
ExtremeWare XOS 11.1 Concepts Guide
System Health Check
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