Network OS Administration Guide

Supporting Network OS 6.0.1a

Part Number: 53-1003768-04

Understanding expected behaviors for reload and failover

The following tables identify expected behaviors that result from controlled and uncontrolled reload and failover conditions.

NOTE
When MMs are out of sync, the reload command does not work. Use the reload system command to reboot the switch in this case.
Table 7 Expected behaviors for controlled reload and failover

Command syntax

Behavior in fabric cluster and logical chassis cluster

Behavior in compact switches

reload

Cold failover to standby management module (MM).

Reloads the switch

reload standby

Reboot the standby MM.

Not available

reload system

Reboot both MMs. MMs will retain the HA roles.

Reloads the switch

ha failover

Warm failover to standby MM.

Not available

Table 8 Expected behaviors for uncontrolled failover

Command syntax

Behavior in fabric cluster and logical chassis cluster

Behavior in compact switches

Panic

Warm failover to standby MM.

Reloads the switch

MM removal

Warm failover to standby MM.

Not available

Power cycle

MMs will retain the HA roles upon booting up.

Resets the switch