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Doc. No. 10-300078, Issue 1
5
Spanning Tree
Issue (RN000322) The Spanning Tree path cost and priority for a hunt group may
revert to the default settings if the base port fails and the switch resets.
This issue occurs because the path cost and priority are applied only to the
base port. If the base port fails, the settings are applied to the new base port
but saved only to the running configuration.
Workaround To ensure that Spanning Tree path cost and priority settings are retained
when you reset the switch:
1. Before you configure the hunt group Spanning Tree settings, make
sure that the base port is physically the top left most port of the
member ports. For example, if a hunt group comprises ports 3/1 and
4/1, port 3/1 must be the base port.
If the top left most port is not the base port, then disconnect all links
of the hunt group except the top left most port. Doing so forces it to
become the base port.
After the top left most port becomes the base port, you can reconnect
all other links, configure the Spanning Tree settings, and save the
running configuration to the startup configuration.
2. If the original base port fails, take the appropriate following action
before you reset the switch:
■ If the original base port fails and then regains connectivity, do not
save the running configuration to the startup configuration before
resetting the switch. If you do, the original base port reverts to the
default path cost and priority.
■ If the original base port fails and does not regain connectivity, save
the running configuration to the startup configuration before
resetting the switch so that the Spanning Tree settings of the original
base port are copied to the new base port.
SSH
Issue (RN000320) If multiple SSH sessions to the switch are open
simultaneously, performance issues can occur.
Workaround Limit SSH sessions to one open session at a time.